/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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.08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 04:57:07,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 04:57:07,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 04:57:07,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 04:57:07,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 04:57:07,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 04:57:07,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 04:57:07,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 04:57:07,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 04:57:07,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 04:57:07,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 04:57:07,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 04:57:07,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 04:57:07,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 04:57:07,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 04:57:07,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 04:57:07,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 04:57:07,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 04:57:07,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 04:57:07,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 04:57:07,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 04:57:07,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 04:57:07,268 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 04:57:07,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 04:57:07,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 04:57:07,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 04:57:07,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 04:57:07,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 04:57:07,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 04:57:07,288 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 04:57:07,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 04:57:07,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 04:57:07,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 04:57:07,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 04:57:07,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 04:57:07,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 04:57:07,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 04:57:07,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 04:57:07,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 04:57:07,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 04:57:07,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 04:57:07,299 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 [2020-10-15 04:57:07,339 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 04:57:07,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 04:57:07,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 04:57:07,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 04:57:07,341 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 04:57:07,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 04:57:07,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 04:57:07,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 04:57:07,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 04:57:07,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 04:57:07,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 04:57:07,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 04:57:07,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 04:57:07,344 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 04:57:07,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 04:57:07,344 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 04:57:07,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 04:57:07,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 04:57:07,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 04:57:07,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 04:57:07,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 04:57:07,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 04:57:07,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 04:57:07,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 04:57:07,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 04:57:07,346 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 04:57:07,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 04:57:07,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 04:57:07,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 04:57:07,347 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 04:57:07,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 04:57:07,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 04:57:07,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 04:57:07,680 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 04:57:07,680 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 04:57:07,681 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.08.cil.c [2020-10-15 04:57:07,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e995f6a0f/0f8ed01cc4104a8885db52f8c06d867f/FLAG8d1ad324f [2020-10-15 04:57:08,163 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 04:57:08,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.08.cil.c [2020-10-15 04:57:08,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e995f6a0f/0f8ed01cc4104a8885db52f8c06d867f/FLAG8d1ad324f [2020-10-15 04:57:08,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e995f6a0f/0f8ed01cc4104a8885db52f8c06d867f [2020-10-15 04:57:08,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 04:57:08,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 04:57:08,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 04:57:08,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 04:57:08,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 04:57:08,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:57:08" (1/1) ... [2020-10-15 04:57:08,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321ed854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:08, skipping insertion in model container [2020-10-15 04:57:08,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:57:08" (1/1) ... [2020-10-15 04:57:08,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 04:57:08,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 04:57:08,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:57:08,852 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 04:57:09,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 04:57:09,077 INFO L208 MainTranslator]: Completed translation [2020-10-15 04:57:09,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:09 WrapperNode [2020-10-15 04:57:09,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 04:57:09,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 04:57:09,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 04:57:09,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 04:57:09,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:09" (1/1) ... [2020-10-15 04:57:09,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:09" (1/1) ... [2020-10-15 04:57:09,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:09" (1/1) ... [2020-10-15 04:57:09,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:09" (1/1) ... [2020-10-15 04:57:09,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:09" (1/1) ... [2020-10-15 04:57:09,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:09" (1/1) ... [2020-10-15 04:57:09,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:09" (1/1) ... [2020-10-15 04:57:09,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 04:57:09,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 04:57:09,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 04:57:09,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 04:57:09,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:09" (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 [2020-10-15 04:57:09,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 04:57:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 04:57:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-15 04:57:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-15 04:57:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-15 04:57:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-15 04:57:09,214 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-15 04:57:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-15 04:57:09,215 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-15 04:57:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-15 04:57:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-15 04:57:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-15 04:57:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-15 04:57:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-15 04:57:09,216 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-15 04:57:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-15 04:57:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-15 04:57:09,217 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-15 04:57:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-15 04:57:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-15 04:57:09,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-15 04:57:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-15 04:57:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-15 04:57:09,219 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-15 04:57:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-15 04:57:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-15 04:57:09,221 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-15 04:57:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-15 04:57:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-15 04:57:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-15 04:57:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-15 04:57:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-15 04:57:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-15 04:57:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-15 04:57:09,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 04:57:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 04:57:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 04:57:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-15 04:57:09,223 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-15 04:57:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-15 04:57:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-15 04:57:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-15 04:57:09,225 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-15 04:57:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-15 04:57:09,226 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-15 04:57:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-15 04:57:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-15 04:57:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-15 04:57:09,227 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-15 04:57:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-15 04:57:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-15 04:57:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-15 04:57:09,228 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-15 04:57:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-15 04:57:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-15 04:57:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-15 04:57:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-15 04:57:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-15 04:57:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-15 04:57:09,229 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-15 04:57:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-15 04:57:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-15 04:57:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-15 04:57:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-15 04:57:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-15 04:57:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-15 04:57:09,230 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-15 04:57:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-15 04:57:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-15 04:57:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 04:57:09,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 04:57:09,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 04:57:10,091 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 04:57:10,092 INFO L295 CfgBuilder]: Removed 12 assume(true) statements. [2020-10-15 04:57:10,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:57:10 BoogieIcfgContainer [2020-10-15 04:57:10,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 04:57:10,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 04:57:10,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 04:57:10,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 04:57:10,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:57:08" (1/3) ... [2020-10-15 04:57:10,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4750bf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:57:10, skipping insertion in model container [2020-10-15 04:57:10,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:57:09" (2/3) ... [2020-10-15 04:57:10,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4750bf16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:57:10, skipping insertion in model container [2020-10-15 04:57:10,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:57:10" (3/3) ... [2020-10-15 04:57:10,108 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.08.cil.c [2020-10-15 04:57:10,118 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 04:57:10,126 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 04:57:10,141 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 04:57:10,195 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 04:57:10,196 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 04:57:10,196 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 04:57:10,196 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 04:57:10,196 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 04:57:10,196 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 04:57:10,197 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 04:57:10,197 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 04:57:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states. [2020-10-15 04:57:10,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-15 04:57:10,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:10,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:57:10,244 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:10,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:10,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1426597092, now seen corresponding path program 1 times [2020-10-15 04:57:10,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:10,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409734939] [2020-10-15 04:57:10,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:10,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:10,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:11,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:11,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:11,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:11,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:15,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:15,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-15 04:57:15,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 04:57:15,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-15 04:57:15,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:15,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 04:57:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:57:15,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-15 04:57:15,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 04:57:15,921 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 04:57:15,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:15,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:15,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:15,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:15,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:15,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 04:57:15,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:15,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:15,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:15,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:15,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:57:15,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:57:16,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:16,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:16,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:16,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:16,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:16,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:57:16,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:16,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:16,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:16,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:16,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:57:16,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 04:57:16,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:16,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:16,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:16,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:16,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:16,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:16,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:16,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:16,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:16,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:16,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:57:16,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:16,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:16,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:16,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:16,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:57:16,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:16,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 04:57:16,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:16,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:16,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:16,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:57:16,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:16,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:57:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:16,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:16,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:16,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:57:16,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:16,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 04:57:16,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:16,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:57:16,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 04:57:16,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:16,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 04:57:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:16,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:16,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:16,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:17,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:17,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:57:20,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 04:57:20,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4452 [2020-10-15 04:57:20,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 04:57:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-15 04:57:20,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:57:20,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:20,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:20,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:57:20,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:20,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:20,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:20,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:20,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:20,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:20,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:20,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:20,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:20,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:20,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:20,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:20,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:20,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:57:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:20,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:20,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:20,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:20,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:20,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 04:57:20,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:57:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:20,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:20,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:20,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:20,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:20,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:57:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:20,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:20,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:20,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:20,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:20,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:20,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:57:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:20,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:20,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:20,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:20,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:20,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:20,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:57:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:20,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:20,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:20,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:20,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:20,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:20,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:57:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:20,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:20,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:20,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:20,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:20,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 04:57:20,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 04:57:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:57:20,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:20,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:57:20,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:20,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 04:57:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:20,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-15 04:57:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:20,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:20,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:20,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:20,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:20,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:20,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:20,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:20,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:57:20,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409734939] [2020-10-15 04:57:20,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:57:20,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 04:57:20,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269251411] [2020-10-15 04:57:20,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 04:57:20,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:21,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 04:57:21,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-15 04:57:21,008 INFO L87 Difference]: Start difference. First operand 349 states. Second operand 12 states. [2020-10-15 04:57:21,238 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 04:57:23,189 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 04:57:23,352 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2020-10-15 04:57:23,512 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 04:57:23,768 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 04:57:27,589 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 04:57:27,737 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 04:57:27,962 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 04:57:28,171 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 04:57:30,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:30,786 INFO L93 Difference]: Finished difference Result 1411 states and 2345 transitions. [2020-10-15 04:57:30,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-15 04:57:30,789 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 180 [2020-10-15 04:57:30,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:30,817 INFO L225 Difference]: With dead ends: 1411 [2020-10-15 04:57:30,817 INFO L226 Difference]: Without dead ends: 1069 [2020-10-15 04:57:30,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2020-10-15 04:57:30,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2020-10-15 04:57:31,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 670. [2020-10-15 04:57:31,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2020-10-15 04:57:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 969 transitions. [2020-10-15 04:57:31,088 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 969 transitions. Word has length 180 [2020-10-15 04:57:31,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:31,089 INFO L479 AbstractCegarLoop]: Abstraction has 670 states and 969 transitions. [2020-10-15 04:57:31,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 04:57:31,089 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 969 transitions. [2020-10-15 04:57:31,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-15 04:57:31,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:31,095 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:57:31,096 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 04:57:31,096 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:31,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:31,096 INFO L82 PathProgramCache]: Analyzing trace with hash -76068125, now seen corresponding path program 1 times [2020-10-15 04:57:31,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:31,097 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1594007922] [2020-10-15 04:57:31,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:31,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:31,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:32,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:33,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:33,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:33,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:35,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:36,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:36,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-15 04:57:36,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-15 04:57:36,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-15 04:57:36,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:36,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:36,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:36,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-15 04:57:36,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-15 04:57:36,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:36,378 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 04:57:36,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:36,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:36,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:36,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:36,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:36,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:57:36,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:36,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:36,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:36,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:36,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:36,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:36,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:36,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:36,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:36,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:36,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:36,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:36,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:36,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:36,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:36,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:36,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:36,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:36,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:36,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:36,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:36,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:36,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:36,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:36,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:36,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:36,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:36,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:36,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:36,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:36,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:36,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:57:36,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:36,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:36,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:36,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:36,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:36,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:36,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:36,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:36,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:57:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:36,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:36,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:36,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:57:36,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:36,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:57:36,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:36,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:36,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:36,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:36,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 04:57:36,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:36,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 04:57:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:36,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:36,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:36,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:57:37,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:57:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 621 [2020-10-15 04:57:37,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:37,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-15 04:57:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:37,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:37,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:37,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:37,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:37,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:37,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:37,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:37,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:37,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:37,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:37,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:37,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:37,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:37,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:37,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:37,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:37,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:37,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:37,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:37,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:37,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:57:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:37,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:37,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:37,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:37,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:37,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:37,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:57:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:37,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:37,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:37,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:37,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:37,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:37,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:37,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:57:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:37,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:37,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:37,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:37,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:37,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:37,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:57:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:37,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:37,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:37,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:37,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:37,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:37,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:57:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:37,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:37,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:37,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:37,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:37,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:37,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:57:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:37,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:37,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:37,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:37,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:37,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 04:57:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:37,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:57:37,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:37,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 04:57:37,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:57:37,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 04:57:37,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:37,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-15 04:57:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:37,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:37,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:37,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:37,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:37,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:37,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:37,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:37,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:37,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:37,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:37,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:37,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:57:37,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1594007922] [2020-10-15 04:57:37,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:57:37,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:57:37,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808652567] [2020-10-15 04:57:37,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:57:37,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:37,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:57:37,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:57:37,394 INFO L87 Difference]: Start difference. First operand 670 states and 969 transitions. Second operand 9 states. [2020-10-15 04:57:38,302 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 04:57:39,874 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-15 04:57:45,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:57:45,668 INFO L93 Difference]: Finished difference Result 2980 states and 4495 transitions. [2020-10-15 04:57:45,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 04:57:45,669 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 180 [2020-10-15 04:57:45,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:57:45,695 INFO L225 Difference]: With dead ends: 2980 [2020-10-15 04:57:45,696 INFO L226 Difference]: Without dead ends: 2338 [2020-10-15 04:57:45,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-10-15 04:57:45,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2020-10-15 04:57:45,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 1535. [2020-10-15 04:57:45,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2020-10-15 04:57:45,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 2202 transitions. [2020-10-15 04:57:45,997 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 2202 transitions. Word has length 180 [2020-10-15 04:57:45,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:57:45,999 INFO L479 AbstractCegarLoop]: Abstraction has 1535 states and 2202 transitions. [2020-10-15 04:57:45,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:57:45,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2202 transitions. [2020-10-15 04:57:46,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-15 04:57:46,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:57:46,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:57:46,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 04:57:46,006 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:57:46,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:57:46,007 INFO L82 PathProgramCache]: Analyzing trace with hash 821325153, now seen corresponding path program 1 times [2020-10-15 04:57:46,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:57:46,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948012090] [2020-10-15 04:57:46,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:57:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:46,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:46,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:46,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:46,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:46,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:47,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:50,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-15 04:57:51,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-15 04:57:51,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-15 04:57:51,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-15 04:57:51,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-15 04:57:51,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,231 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 04:57:51,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:57:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:51,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:57:51,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:57:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:57:51,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:51,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:51,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:57:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:57:51,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:57:51,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:57:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:57:51,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:57:51,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:51,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:57:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:57:51,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 04:57:51,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:51,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 04:57:51,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:51,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 04:57:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:57:51,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:57:51,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 542 [2020-10-15 04:57:51,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:57:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-15 04:57:51,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:57:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:51,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:51,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:57:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:51,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:51,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:57:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:51,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:51,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:57:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:51,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:57:51,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:57:51,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:57:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:51,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:51,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:57:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:51,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:51,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:57:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:51,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:51,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:57:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:51,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:57:51,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:57:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:51,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:51,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:51,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:57:51,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:51,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:57:51,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:51,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:51,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:51,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:57:51,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:51,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:51,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 04:57:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:52,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:52,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:52,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:57:52,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:52,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 04:57:52,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:52,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:57:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:57:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 04:57:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:52,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-15 04:57:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:57:52,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:57:52,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:57:52,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:57:52,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:57:52,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:57:52,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:57:52,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:57:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:57:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:57:52,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:57:52,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:57:52,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:57:52,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948012090] [2020-10-15 04:57:52,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:57:52,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:57:52,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149935991] [2020-10-15 04:57:52,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:57:52,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:57:52,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:57:52,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:57:52,139 INFO L87 Difference]: Start difference. First operand 1535 states and 2202 transitions. Second operand 9 states. [2020-10-15 04:57:53,287 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 04:57:53,982 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-15 04:58:05,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:58:05,833 INFO L93 Difference]: Finished difference Result 8565 states and 14034 transitions. [2020-10-15 04:58:05,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 04:58:05,833 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 180 [2020-10-15 04:58:05,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:58:05,887 INFO L225 Difference]: With dead ends: 8565 [2020-10-15 04:58:05,888 INFO L226 Difference]: Without dead ends: 7058 [2020-10-15 04:58:05,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=186, Invalid=570, Unknown=0, NotChecked=0, Total=756 [2020-10-15 04:58:05,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7058 states. [2020-10-15 04:58:06,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7058 to 5191. [2020-10-15 04:58:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5191 states. [2020-10-15 04:58:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 5191 states and 7936 transitions. [2020-10-15 04:58:06,528 INFO L78 Accepts]: Start accepts. Automaton has 5191 states and 7936 transitions. Word has length 180 [2020-10-15 04:58:06,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:58:06,529 INFO L479 AbstractCegarLoop]: Abstraction has 5191 states and 7936 transitions. [2020-10-15 04:58:06,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:58:06,529 INFO L276 IsEmpty]: Start isEmpty. Operand 5191 states and 7936 transitions. [2020-10-15 04:58:06,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-15 04:58:06,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:58:06,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:58:06,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 04:58:06,536 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:58:06,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:58:06,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1665330655, now seen corresponding path program 1 times [2020-10-15 04:58:06,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:58:06,537 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592692893] [2020-10-15 04:58:06,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:58:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:06,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:06,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:06,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:06,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:07,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:09,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:09,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:11,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-15 04:58:11,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-15 04:58:11,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-15 04:58:11,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:11,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:58:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:58:11,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-15 04:58:11,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:11,749 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 04:58:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:58:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:11,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:11,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:11,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 04:58:11,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:11,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:11,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:11,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:58:11,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:11,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:58:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:11,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:11,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:11,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:11,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:58:11,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:11,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:58:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:11,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:58:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:11,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:11,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:58:11,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:11,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:11,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:11,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:11,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:11,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:58:11,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:11,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:58:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:11,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:11,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:58:11,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:11,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:58:11,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:11,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:11,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:11,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:58:11,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:11,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:58:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:11,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:11,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:58:11,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:11,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 04:58:11,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:11,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:11,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:11,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:11,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 04:58:11,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:11,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 04:58:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:11,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:11,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:58:12,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:58:12,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-15 04:58:12,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-15 04:58:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 04:58:12,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:12,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:58:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:12,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:12,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:12,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:12,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:12,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:12,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:12,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:58:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:12,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:12,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:12,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:12,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:12,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:12,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:12,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:12,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:58:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:12,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:12,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:12,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:12,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:12,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:12,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:12,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:12,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:58:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:12,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:12,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:12,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:12,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:12,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:12,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:12,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:12,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:58:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:12,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:12,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:12,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:12,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:12,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:12,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:12,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:12,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:58:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:12,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:12,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:12,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:12,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:12,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:12,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:58:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:12,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:12,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:12,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:12,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:12,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:12,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:12,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:12,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:58:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:12,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:12,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:12,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:12,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:12,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:12,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:12,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:58:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:12,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:12,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:12,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:58:12,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:12,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:12,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:58:12,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:12,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 04:58:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:12,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:58:12,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:12,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:58:12,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 04:58:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:12,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-15 04:58:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:12,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:12,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:12,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:58:12,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:12,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:12,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:12,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:12,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:12,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:58:12,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:12,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:12,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 04:58:12,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592692893] [2020-10-15 04:58:12,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:58:12,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 04:58:12,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724286966] [2020-10-15 04:58:12,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 04:58:12,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:58:12,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 04:58:12,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-15 04:58:12,362 INFO L87 Difference]: Start difference. First operand 5191 states and 7936 transitions. Second operand 8 states. [2020-10-15 04:58:12,493 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 04:58:15,781 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 04:58:22,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:58:22,646 INFO L93 Difference]: Finished difference Result 18526 states and 30115 transitions. [2020-10-15 04:58:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 04:58:22,646 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2020-10-15 04:58:22,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:58:22,726 INFO L225 Difference]: With dead ends: 18526 [2020-10-15 04:58:22,726 INFO L226 Difference]: Without dead ends: 13365 [2020-10-15 04:58:22,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-15 04:58:22,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13365 states. [2020-10-15 04:58:24,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13365 to 10367. [2020-10-15 04:58:24,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10367 states. [2020-10-15 04:58:24,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10367 states to 10367 states and 15958 transitions. [2020-10-15 04:58:24,138 INFO L78 Accepts]: Start accepts. Automaton has 10367 states and 15958 transitions. Word has length 180 [2020-10-15 04:58:24,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:58:24,139 INFO L479 AbstractCegarLoop]: Abstraction has 10367 states and 15958 transitions. [2020-10-15 04:58:24,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 04:58:24,139 INFO L276 IsEmpty]: Start isEmpty. Operand 10367 states and 15958 transitions. [2020-10-15 04:58:24,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-15 04:58:24,148 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:58:24,150 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:58:24,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 04:58:24,150 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:58:24,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:58:24,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1913183752, now seen corresponding path program 1 times [2020-10-15 04:58:24,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:58:24,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193413474] [2020-10-15 04:58:24,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:58:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:24,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:24,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:24,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:24,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:24,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:24,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:24,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:24,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:25,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:25,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:29,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:29,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-15 04:58:29,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-15 04:58:29,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-15 04:58:29,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:29,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:58:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:58:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-15 04:58:29,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:29,324 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 04:58:29,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:58:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:29,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:29,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:29,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:29,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:29,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 04:58:29,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:29,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:58:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:29,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:58:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:29,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:29,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:29,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:29,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:29,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:58:29,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:29,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:58:29,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:29,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:58:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:29,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:29,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:29,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:58:29,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:29,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:29,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:58:29,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:29,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:58:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:29,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:29,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:29,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:58:29,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:29,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:58:29,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:29,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:29,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:29,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:29,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:58:29,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:29,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:58:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:29,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:29,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:29,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:58:29,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:29,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:58:29,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:29,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:29,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:29,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:29,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 04:58:29,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:29,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 04:58:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:29,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:29,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:29,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:29,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:58:30,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 04:58:30,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1205 [2020-10-15 04:58:30,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:30,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-15 04:58:30,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-15 04:58:30,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:58:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:30,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:30,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:30,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:30,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:30,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:58:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:30,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:30,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:30,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:30,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:58:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:30,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:30,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:30,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:30,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:58:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:30,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:30,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:30,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:30,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:58:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:30,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:30,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:30,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:30,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:30,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:58:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:30,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:30,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:30,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:30,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:30,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:58:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:30,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:30,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:30,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:30,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:58:30,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:58:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:30,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:58:30,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:30,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:58:30,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:58:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:30,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:30,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:58:30,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 04:58:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:58:30,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:58:30,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:30,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 04:58:30,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:30,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-15 04:58:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:58:30,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:30,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:30,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:58:30,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:30,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-15 04:58:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:58:30,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:30,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:58:30,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:30,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-15 04:58:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:30,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:30,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:30,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:58:30,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:30,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:30,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:30,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:30,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:30,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:58:30,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:30,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:30,803 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-15 04:58:30,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193413474] [2020-10-15 04:58:30,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:58:30,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:58:30,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539459884] [2020-10-15 04:58:30,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:58:30,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:58:30,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:58:30,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:58:30,805 INFO L87 Difference]: Start difference. First operand 10367 states and 15958 transitions. Second operand 9 states. [2020-10-15 04:58:30,940 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 04:58:33,315 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 04:58:33,580 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-15 04:58:41,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:58:41,454 INFO L93 Difference]: Finished difference Result 42143 states and 74600 transitions. [2020-10-15 04:58:41,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 04:58:41,455 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-10-15 04:58:41,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:58:41,615 INFO L225 Difference]: With dead ends: 42143 [2020-10-15 04:58:41,615 INFO L226 Difference]: Without dead ends: 31806 [2020-10-15 04:58:41,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-10-15 04:58:41,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31806 states. [2020-10-15 04:58:45,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31806 to 23167. [2020-10-15 04:58:45,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23167 states. [2020-10-15 04:58:45,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23167 states to 23167 states and 38046 transitions. [2020-10-15 04:58:45,454 INFO L78 Accepts]: Start accepts. Automaton has 23167 states and 38046 transitions. Word has length 205 [2020-10-15 04:58:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:58:45,455 INFO L479 AbstractCegarLoop]: Abstraction has 23167 states and 38046 transitions. [2020-10-15 04:58:45,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 04:58:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 23167 states and 38046 transitions. [2020-10-15 04:58:45,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-15 04:58:45,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:58:45,471 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:58:45,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 04:58:45,472 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:58:45,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:58:45,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1870245004, now seen corresponding path program 1 times [2020-10-15 04:58:45,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:58:45,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875285795] [2020-10-15 04:58:45,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:58:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:45,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:45,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:45,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:45,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:45,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:45,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:46,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-15 04:58:50,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-15 04:58:50,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-15 04:58:50,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 04:58:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:58:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-15 04:58:50,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,646 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 04:58:50,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:58:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:50,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:58:50,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:50,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:58:50,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:58:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:58:50,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:58:50,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:58:50,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:58:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:58:50,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:50,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:58:50,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:58:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:58:50,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:58:50,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:50,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:58:50,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:58:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:58:50,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 04:58:50,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:58:50,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:58:50,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 04:58:50,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 04:58:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:58:50,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 04:58:50,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-15 04:58:50,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:58:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-15 04:58:50,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:58:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:50,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:50,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:58:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:50,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:50,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:58:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:50,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:50,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:58:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:50,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:50,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:58:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:50,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:50,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:58:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:50,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:50,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:58:50,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:58:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:50,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:50,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:58:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:50,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:50,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:58:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:58:50,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:58:50,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:58:50,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 04:58:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:58:50,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 04:58:50,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 04:58:50,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 04:58:50,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-15 04:58:50,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-15 04:58:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:58:50,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:50,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:58:50,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-15 04:58:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:58:50,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:50,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:58:50,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:50,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-15 04:58:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:58:50,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:58:50,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:58:50,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:58:50,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:58:50,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:58:50,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:58:50,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:58:50,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:58:50,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:58:50,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:58:50,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:58:51,018 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-15 04:58:51,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875285795] [2020-10-15 04:58:51,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:58:51,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 04:58:51,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616727609] [2020-10-15 04:58:51,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 04:58:51,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:58:51,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 04:58:51,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-15 04:58:51,021 INFO L87 Difference]: Start difference. First operand 23167 states and 38046 transitions. Second operand 10 states. [2020-10-15 04:58:58,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:58:58,543 INFO L93 Difference]: Finished difference Result 54896 states and 94381 transitions. [2020-10-15 04:58:58,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 04:58:58,544 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2020-10-15 04:58:58,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:58:58,705 INFO L225 Difference]: With dead ends: 54896 [2020-10-15 04:58:58,706 INFO L226 Difference]: Without dead ends: 31755 [2020-10-15 04:58:58,772 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-15 04:58:58,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31755 states. [2020-10-15 04:59:01,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31755 to 23167. [2020-10-15 04:59:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23167 states. [2020-10-15 04:59:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23167 states to 23167 states and 37870 transitions. [2020-10-15 04:59:01,413 INFO L78 Accepts]: Start accepts. Automaton has 23167 states and 37870 transitions. Word has length 205 [2020-10-15 04:59:01,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:59:01,414 INFO L479 AbstractCegarLoop]: Abstraction has 23167 states and 37870 transitions. [2020-10-15 04:59:01,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 04:59:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 23167 states and 37870 transitions. [2020-10-15 04:59:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-15 04:59:01,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:59:01,425 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:59:01,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 04:59:01,426 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:59:01,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:59:01,426 INFO L82 PathProgramCache]: Analyzing trace with hash 646759253, now seen corresponding path program 1 times [2020-10-15 04:59:01,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:59:01,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108518520] [2020-10-15 04:59:01,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:59:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:01,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:01,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:01,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:01,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:01,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:01,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:01,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:02,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-15 04:59:06,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-15 04:59:06,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-15 04:59:06,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:59:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:59:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-15 04:59:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,591 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 04:59:06,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:59:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:06,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:59:06,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:59:06,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:59:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:06,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:59:06,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:59:06,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:59:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:59:06,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:06,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:59:06,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:59:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:59:06,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:59:06,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:59:06,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:59:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:59:06,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 04:59:06,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 04:59:06,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 04:59:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:59:06,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:59:06,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-15 04:59:06,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-15 04:59:06,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 04:59:06,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:59:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:06,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:06,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:06,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:06,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:59:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:06,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:06,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:06,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:59:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:06,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:06,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:06,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 04:59:06,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:59:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:06,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:06,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:06,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:06,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:59:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:06,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:06,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:06,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:59:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:06,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:06,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:06,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:06,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:59:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:06,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:06,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:06,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:59:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:06,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:06,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:59:06,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:59:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:06,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:06,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:06,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:59:06,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 04:59:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:59:06,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 04:59:06,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:06,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 04:59:06,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:06,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-15 04:59:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:59:06,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:06,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:59:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:06,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-15 04:59:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:59:06,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:06,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:06,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:59:06,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:06,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-15 04:59:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:06,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:06,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:06,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:59:06,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:06,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:06,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:06,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:06,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:06,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:59:06,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:06,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:07,007 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-15 04:59:07,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108518520] [2020-10-15 04:59:07,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:59:07,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 04:59:07,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156741988] [2020-10-15 04:59:07,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 04:59:07,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:59:07,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 04:59:07,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-15 04:59:07,009 INFO L87 Difference]: Start difference. First operand 23167 states and 37870 transitions. Second operand 10 states. [2020-10-15 04:59:07,889 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 04:59:10,415 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 04:59:21,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:59:21,382 INFO L93 Difference]: Finished difference Result 85623 states and 161136 transitions. [2020-10-15 04:59:21,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 04:59:21,382 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 205 [2020-10-15 04:59:21,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:59:21,630 INFO L225 Difference]: With dead ends: 85623 [2020-10-15 04:59:21,631 INFO L226 Difference]: Without dead ends: 62486 [2020-10-15 04:59:21,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2020-10-15 04:59:21,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62486 states. [2020-10-15 04:59:26,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62486 to 46063. [2020-10-15 04:59:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46063 states. [2020-10-15 04:59:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46063 states to 46063 states and 75210 transitions. [2020-10-15 04:59:26,569 INFO L78 Accepts]: Start accepts. Automaton has 46063 states and 75210 transitions. Word has length 205 [2020-10-15 04:59:26,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 04:59:26,569 INFO L479 AbstractCegarLoop]: Abstraction has 46063 states and 75210 transitions. [2020-10-15 04:59:26,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 04:59:26,569 INFO L276 IsEmpty]: Start isEmpty. Operand 46063 states and 75210 transitions. [2020-10-15 04:59:26,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-15 04:59:26,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 04:59:26,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 04:59:26,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 04:59:26,583 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 04:59:26,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 04:59:26,583 INFO L82 PathProgramCache]: Analyzing trace with hash 531907507, now seen corresponding path program 1 times [2020-10-15 04:59:26,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 04:59:26,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300705820] [2020-10-15 04:59:26,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 04:59:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:26,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:26,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:26,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:26,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:26,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:26,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:31,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-15 04:59:31,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-15 04:59:31,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-15 04:59:31,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:31,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:31,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 04:59:31,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 04:59:31,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-15 04:59:31,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:31,755 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 04:59:31,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 04:59:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:31,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:31,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:31,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:31,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 04:59:31,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:31,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:31,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 04:59:31,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:31,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 04:59:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:31,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:31,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 04:59:31,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:31,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 04:59:31,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:31,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:31,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:31,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:31,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 04:59:31,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:31,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 04:59:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:31,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:31,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 04:59:31,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:31,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:31,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:31,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:31,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 04:59:31,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:31,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 04:59:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:31,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:31,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 04:59:31,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:31,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 04:59:31,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:31,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:31,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:31,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:31,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 04:59:31,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:31,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 04:59:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:31,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:31,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:59:31,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:31,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 04:59:31,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:31,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:31,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:31,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:31,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 04:59:31,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:31,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 04:59:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:31,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:31,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 04:59:32,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 04:59:32,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-15 04:59:32,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:32,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 04:59:32,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-15 04:59:32,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 04:59:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:32,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:32,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:32,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 04:59:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:32,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:32,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:32,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:32,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:32,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 04:59:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:32,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:32,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:32,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:32,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:32,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 04:59:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:32,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:32,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:32,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:32,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 04:59:32,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 04:59:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:32,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:32,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:32,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:32,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:59:32,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 04:59:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:32,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:32,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:32,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:59:32,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 04:59:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:32,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:32,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:32,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:32,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:59:32,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 04:59:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:32,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:32,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:32,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:59:32,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 04:59:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 04:59:32,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:32,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 04:59:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 04:59:32,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 04:59:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 04:59:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 04:59:32,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 04:59:32,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 04:59:32,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:32,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-15 04:59:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:59:32,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:32,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:32,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:59:32,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:32,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-15 04:59:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:59:32,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 04:59:32,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:32,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:59:32,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:32,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-15 04:59:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 04:59:32,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 04:59:32,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 04:59:32,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 04:59:32,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 04:59:32,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 04:59:32,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 04:59:32,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 04:59:32,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 04:59:32,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 04:59:32,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 04:59:32,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 04:59:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-15 04:59:32,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300705820] [2020-10-15 04:59:32,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 04:59:32,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 04:59:32,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632407052] [2020-10-15 04:59:32,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 04:59:32,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 04:59:32,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 04:59:32,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 04:59:32,227 INFO L87 Difference]: Start difference. First operand 46063 states and 75210 transitions. Second operand 9 states. [2020-10-15 04:59:32,363 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 04:59:34,847 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 04:59:53,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 04:59:53,497 INFO L93 Difference]: Finished difference Result 163455 states and 286424 transitions. [2020-10-15 04:59:53,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 04:59:53,498 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 205 [2020-10-15 04:59:53,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 04:59:53,945 INFO L225 Difference]: With dead ends: 163455 [2020-10-15 04:59:53,945 INFO L226 Difference]: Without dead ends: 117422 [2020-10-15 04:59:54,099 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-10-15 04:59:54,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117422 states. [2020-10-15 05:00:04,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117422 to 86631. [2020-10-15 05:00:04,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86631 states. [2020-10-15 05:00:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86631 states to 86631 states and 138050 transitions. [2020-10-15 05:00:05,093 INFO L78 Accepts]: Start accepts. Automaton has 86631 states and 138050 transitions. Word has length 205 [2020-10-15 05:00:05,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 05:00:05,093 INFO L479 AbstractCegarLoop]: Abstraction has 86631 states and 138050 transitions. [2020-10-15 05:00:05,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 05:00:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 86631 states and 138050 transitions. [2020-10-15 05:00:05,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-15 05:00:05,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 05:00:05,111 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 05:00:05,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 05:00:05,112 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 05:00:05,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 05:00:05,112 INFO L82 PathProgramCache]: Analyzing trace with hash -130353356, now seen corresponding path program 1 times [2020-10-15 05:00:05,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 05:00:05,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316844062] [2020-10-15 05:00:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 05:00:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:05,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:05,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:05,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:05,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:05,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:05,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:10,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:10,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-15 05:00:10,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 05:00:10,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-15 05:00:10,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:10,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:10,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 05:00:10,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 05:00:10,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 05:00:10,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:10,289 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-15 05:00:10,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 05:00:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:10,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:10,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:10,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 05:00:10,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:10,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 05:00:10,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:10,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:10,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 05:00:10,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:10,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 05:00:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:10,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:10,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:10,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 05:00:10,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:10,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 05:00:10,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:10,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 05:00:10,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:10,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 05:00:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:10,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:10,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:10,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 05:00:10,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:10,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:10,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:10,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 05:00:10,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:10,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-15 05:00:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:10,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:10,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:10,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 05:00:10,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:10,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 05:00:10,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:10,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:10,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:10,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 05:00:10,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:10,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 05:00:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:10,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:10,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:10,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 05:00:10,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:10,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 05:00:10,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:10,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:10,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:10,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 05:00:10,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:10,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-15 05:00:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:10,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:10,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:10,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:10,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-15 05:00:11,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 05:00:11,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1127 [2020-10-15 05:00:11,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 05:00:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 05:00:11,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 05:00:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:11,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:11,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:11,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:11,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:11,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-15 05:00:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:11,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:11,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:11,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-15 05:00:11,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-15 05:00:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:11,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:11,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:11,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:11,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:11,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 05:00:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:11,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:11,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:11,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 05:00:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:11,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:11,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:11,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:11,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:11,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-15 05:00:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:11,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:11,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:11,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-15 05:00:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:11,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:11,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:11,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:11,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:11,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-15 05:00:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:11,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:11,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:11,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:11,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:11,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-15 05:00:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 05:00:11,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:11,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 05:00:11,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 05:00:11,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 05:00:11,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-15 05:00:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-15 05:00:11,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 05:00:11,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:11,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-15 05:00:11,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:11,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-15 05:00:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 05:00:11,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:11,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 05:00:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:11,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-15 05:00:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 05:00:11,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 05:00:11,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 05:00:11,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:11,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-15 05:00:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 05:00:11,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 05:00:11,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 05:00:11,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 05:00:11,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 05:00:11,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 05:00:11,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 05:00:11,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 05:00:11,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 05:00:11,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 05:00:11,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 05:00:11,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 05:00:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-15 05:00:11,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316844062] [2020-10-15 05:00:11,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 05:00:11,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 05:00:11,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737926854] [2020-10-15 05:00:11,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 05:00:11,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 05:00:11,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 05:00:11,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-15 05:00:11,665 INFO L87 Difference]: Start difference. First operand 86631 states and 138050 transitions. Second operand 10 states. [2020-10-15 05:00:11,803 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-15 05:00:14,260 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 135