/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 SingleStatement --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=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:34:03,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:34:03,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:34:03,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:34:03,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:34:03,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:34:03,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:34:03,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:34:03,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:34:03,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:34:03,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:34:03,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:34:03,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:34:03,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:34:03,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:34:03,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:34:03,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:34:03,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:34:03,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:34:03,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:34:03,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:34:03,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:34:03,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:34:03,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:34:03,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:34:03,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:34:03,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:34:03,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:34:03,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:34:03,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:34:03,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:34:03,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:34:03,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:34:03,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:34:03,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:34:03,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:34:03,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:34:03,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:34:03,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:34:03,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:34:03,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:34:03,263 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 [2020-09-25 12:34:03,307 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:34:03,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:34:03,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:34:03,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:34:03,309 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:34:03,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:34:03,310 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:34:03,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:34:03,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:34:03,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:34:03,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:34:03,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:34:03,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:34:03,311 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:34:03,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:34:03,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:34:03,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:34:03,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:34:03,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:34:03,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:34:03,313 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:34:03,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:34:03,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:34:03,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:34:03,314 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:34:03,314 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:34:03,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:34:03,314 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:34:03,314 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:34:03,315 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 -> SingleStatement 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=0.3;log-additional-information=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=0.3;log-additional-information=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=0.3;log-additional-information=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=0.3;log-additional-information=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=0.3;log-additional-information=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=0.3;log-additional-information=true; [2020-09-25 12:34:03,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:34:03,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:34:03,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:34:03,865 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:34:03,865 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:34:03,867 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-09-25 12:34:03,955 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b7474005/a0a78b6d908749c2813f61af07290f0b/FLAGb8a59cbbc [2020-09-25 12:34:04,523 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:34:04,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-09-25 12:34:04,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b7474005/a0a78b6d908749c2813f61af07290f0b/FLAGb8a59cbbc [2020-09-25 12:34:04,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9b7474005/a0a78b6d908749c2813f61af07290f0b [2020-09-25 12:34:04,868 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:34:04,875 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:34:04,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:34:04,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:34:04,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:34:04,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790fb128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:04, skipping insertion in model container [2020-09-25 12:34:04,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:34:04" (1/1) ... [2020-09-25 12:34:04,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:34:04,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:34:05,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:34:05,226 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:34:05,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:34:05,390 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:34:05,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:05 WrapperNode [2020-09-25 12:34:05,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:34:05,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:34:05,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:34:05,393 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:34:05,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:05" (1/1) ... [2020-09-25 12:34:05,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:05" (1/1) ... [2020-09-25 12:34:05,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:05" (1/1) ... [2020-09-25 12:34:05,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:05" (1/1) ... [2020-09-25 12:34:05,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:05" (1/1) ... [2020-09-25 12:34:05,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:05" (1/1) ... [2020-09-25 12:34:05,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:05" (1/1) ... [2020-09-25 12:34:05,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:34:05,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:34:05,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:34:05,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:34:05,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:05" (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 [2020-09-25 12:34:05,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:34:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:34:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 12:34:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 12:34:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 12:34:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-09-25 12:34:05,585 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 12:34:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 12:34:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-09-25 12:34:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 12:34:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 12:34:05,586 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 12:34:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 12:34:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 12:34:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 12:34:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 12:34:05,587 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 12:34:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 12:34:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 12:34:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 12:34:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 12:34:05,588 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 12:34:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:34:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:34:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:34:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 12:34:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 12:34:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 12:34:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-09-25 12:34:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 12:34:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 12:34:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 12:34:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-09-25 12:34:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 12:34:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 12:34:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 12:34:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 12:34:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 12:34:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 12:34:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 12:34:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 12:34:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 12:34:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 12:34:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 12:34:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 12:34:05,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:34:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:34:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:34:06,245 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:34:06,245 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-25 12:34:06,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:34:06 BoogieIcfgContainer [2020-09-25 12:34:06,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:34:06,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:34:06,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:34:06,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:34:06,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:34:04" (1/3) ... [2020-09-25 12:34:06,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301ac25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:34:06, skipping insertion in model container [2020-09-25 12:34:06,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:34:05" (2/3) ... [2020-09-25 12:34:06,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@301ac25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:34:06, skipping insertion in model container [2020-09-25 12:34:06,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:34:06" (3/3) ... [2020-09-25 12:34:06,264 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-09-25 12:34:06,276 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:34:06,288 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:34:06,312 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:34:06,348 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:34:06,349 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:34:06,349 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:34:06,349 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:34:06,349 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:34:06,350 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:34:06,350 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:34:06,350 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:34:06,386 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states. [2020-09-25 12:34:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-25 12:34:06,403 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:06,405 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] [2020-09-25 12:34:06,405 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:06,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:06,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1383476838, now seen corresponding path program 1 times [2020-09-25 12:34:06,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:06,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116719351] [2020-09-25 12:34:06,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:06,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:06,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:07,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:08,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:09,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:11,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:11,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-25 12:34:11,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 12:34:11,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 12:34:11,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:11,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:11,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 12:34:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:34:11,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-09-25 12:34:11,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:34:11,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:11,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:11,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:11,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:34:11,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:11,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 12:34:11,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:11,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:11,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:34:11,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:11,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:34:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:11,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:11,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:11,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:34:11,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:11,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:11,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:11,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:34:11,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:11,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:11,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:11,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:11,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:11,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:11,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:11,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:11,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:11,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:34:11,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 12:34:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:34:12,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:34:12,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:12,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 12:34:12,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 12:34:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:12,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:34:12,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:34:12,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 12:34:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 12:34:12,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 12:34:12,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-25 12:34:12,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:34:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:12,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:12,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:12,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:12,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 12:34:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:12,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:12,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:12,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:12,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:34:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:12,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:12,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:12,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:34:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:12,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:34:12,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:34:12,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 12:34:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:12,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:12,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:12,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:12,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:12,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:34:12,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:12,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:12,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:12,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:12,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:34:12,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116719351] [2020-09-25 12:34:12,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:12,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 12:34:12,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847165507] [2020-09-25 12:34:12,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 12:34:12,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:12,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 12:34:12,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:34:12,242 INFO L87 Difference]: Start difference. First operand 257 states. Second operand 7 states. [2020-09-25 12:34:15,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:15,084 INFO L93 Difference]: Finished difference Result 974 states and 1335 transitions. [2020-09-25 12:34:15,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 12:34:15,087 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-09-25 12:34:15,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:15,122 INFO L225 Difference]: With dead ends: 974 [2020-09-25 12:34:15,123 INFO L226 Difference]: Without dead ends: 734 [2020-09-25 12:34:15,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 12:34:15,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2020-09-25 12:34:15,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 464. [2020-09-25 12:34:15,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-09-25 12:34:15,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 571 transitions. [2020-09-25 12:34:15,270 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 571 transitions. Word has length 127 [2020-09-25 12:34:15,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:15,271 INFO L479 AbstractCegarLoop]: Abstraction has 464 states and 571 transitions. [2020-09-25 12:34:15,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 12:34:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 571 transitions. [2020-09-25 12:34:15,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-25 12:34:15,278 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:15,278 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, 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] [2020-09-25 12:34:15,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:34:15,279 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:15,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:15,279 INFO L82 PathProgramCache]: Analyzing trace with hash 636846487, now seen corresponding path program 1 times [2020-09-25 12:34:15,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:15,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889283979] [2020-09-25 12:34:15,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:15,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:15,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:16,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:17,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 12:34:19,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 12:34:19,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4485 [2020-09-25 12:34:19,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:34:19,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-25 12:34:19,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-25 12:34:19,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 12:34:19,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:34:19,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 12:34:19,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:19,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:34:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:19,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:19,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:19,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:34:19,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:19,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:19,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:19,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:19,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:19,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:19,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:20,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:20,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:20,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:20,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:20,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 12:34:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:34:20,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:34:20,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 12:34:20,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:20,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 12:34:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:20,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:34:20,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:34:20,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:20,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 12:34:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 12:34:20,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:34:20,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:20,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 12:34:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:20,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:34:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:20,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:20,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 12:34:20,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 12:34:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:20,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:20,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:20,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-25 12:34:20,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:34:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:20,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:20,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:20,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:20,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:34:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:20,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:20,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:20,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:34:20,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:20,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 12:34:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:20,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:20,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 12:34:20,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:20,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:20,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-25 12:34:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:20,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:20,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:20,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:20,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:20,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:34:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:20,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:20,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:20,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:20,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:20,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:34:20,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:20,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:20,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:20,302 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-09-25 12:34:20,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889283979] [2020-09-25 12:34:20,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:20,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:34:20,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947976790] [2020-09-25 12:34:20,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:34:20,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:20,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:34:20,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:34:20,310 INFO L87 Difference]: Start difference. First operand 464 states and 571 transitions. Second operand 9 states. [2020-09-25 12:34:24,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:24,786 INFO L93 Difference]: Finished difference Result 2504 states and 3599 transitions. [2020-09-25 12:34:24,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 12:34:24,787 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2020-09-25 12:34:24,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:24,814 INFO L225 Difference]: With dead ends: 2504 [2020-09-25 12:34:24,814 INFO L226 Difference]: Without dead ends: 2086 [2020-09-25 12:34:24,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=301, Invalid=755, Unknown=0, NotChecked=0, Total=1056 [2020-09-25 12:34:24,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2020-09-25 12:34:24,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 996. [2020-09-25 12:34:24,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2020-09-25 12:34:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1276 transitions. [2020-09-25 12:34:24,976 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1276 transitions. Word has length 155 [2020-09-25 12:34:24,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:24,976 INFO L479 AbstractCegarLoop]: Abstraction has 996 states and 1276 transitions. [2020-09-25 12:34:24,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:34:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1276 transitions. [2020-09-25 12:34:24,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 12:34:24,981 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:24,981 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, 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] [2020-09-25 12:34:24,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:34:24,982 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:24,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:24,982 INFO L82 PathProgramCache]: Analyzing trace with hash -251673123, now seen corresponding path program 1 times [2020-09-25 12:34:24,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:24,983 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210889377] [2020-09-25 12:34:24,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:25,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:25,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:25,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:25,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:25,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:26,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:26,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:26,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:27,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:27,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-25 12:34:27,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 12:34:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2607 [2020-09-25 12:34:27,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:27,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:34:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-09-25 12:34:27,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-25 12:34:27,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:27,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:27,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:27,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:27,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:34:27,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 12:34:27,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:27,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:27,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:27,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:27,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:27,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:34:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:27,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:27,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:27,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:34:27,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:34:27,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:27,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:27,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:27,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:27,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:27,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:27,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:27,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:27,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:27,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:27,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:27,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:27,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:27,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:27,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:27,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:27,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 12:34:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:27,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:27,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:27,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:34:27,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:27,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 12:34:27,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:27,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:27,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:27,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:27,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:34:27,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:27,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 12:34:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:27,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:27,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:27,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:27,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:27,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 12:34:27,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:27,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:27,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:27,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:34:27,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:27,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 12:34:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:27,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:27,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:27,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 12:34:27,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 12:34:27,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:27,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:27,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 12:34:27,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:34:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:28,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:28,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 12:34:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:28,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:28,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:34:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:28,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:28,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:34:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:28,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:28,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:34:28,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 12:34:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:28,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:28,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:34:28,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:34:28,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 12:34:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:28,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:28,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 12:34:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:28,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:28,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:28,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:28,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:28,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:28,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:28,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 12:34:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-25 12:34:28,120 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210889377] [2020-09-25 12:34:28,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:28,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:34:28,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887590579] [2020-09-25 12:34:28,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:34:28,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:28,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:34:28,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:34:28,123 INFO L87 Difference]: Start difference. First operand 996 states and 1276 transitions. Second operand 9 states. [2020-09-25 12:34:32,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:32,752 INFO L93 Difference]: Finished difference Result 5137 states and 8007 transitions. [2020-09-25 12:34:32,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 12:34:32,753 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2020-09-25 12:34:32,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:32,794 INFO L225 Difference]: With dead ends: 5137 [2020-09-25 12:34:32,795 INFO L226 Difference]: Without dead ends: 4198 [2020-09-25 12:34:32,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=301, Invalid=755, Unknown=0, NotChecked=0, Total=1056 [2020-09-25 12:34:32,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4198 states. [2020-09-25 12:34:33,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4198 to 2052. [2020-09-25 12:34:33,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2052 states. [2020-09-25 12:34:33,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 2052 states and 2739 transitions. [2020-09-25 12:34:33,040 INFO L78 Accepts]: Start accepts. Automaton has 2052 states and 2739 transitions. Word has length 157 [2020-09-25 12:34:33,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:33,042 INFO L479 AbstractCegarLoop]: Abstraction has 2052 states and 2739 transitions. [2020-09-25 12:34:33,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:34:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2739 transitions. [2020-09-25 12:34:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-25 12:34:33,051 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:33,051 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, 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] [2020-09-25 12:34:33,051 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:34:33,051 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:33,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:33,052 INFO L82 PathProgramCache]: Analyzing trace with hash 248790411, now seen corresponding path program 1 times [2020-09-25 12:34:33,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:33,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [512749774] [2020-09-25 12:34:33,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:33,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:33,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:33,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:33,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:33,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:33,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 12:34:33,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:34:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 707 [2020-09-25 12:34:33,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:33,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 12:34:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 12:34:33,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:33,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:33,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:33,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:33,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:34:33,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:33,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:34:33,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:33,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:33,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:33,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:33,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:33,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:33,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:34:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:33,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:33,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:33,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:34:33,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:33,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:33,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:33,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:33,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:33,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 12:34:33,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:33,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:33,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:33,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:33,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:33,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:33,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:33,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:33,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:34:33,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:33,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 12:34:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:33,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:33,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:33,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:34:33,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:33,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:33,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:33,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:33,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 12:34:33,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:34:33,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:33,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 12:34:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:33,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:33,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:33,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:33,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:33,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:33,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:33,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 12:34:33,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:33,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:33,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 12:34:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:33,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:33,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:33,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 12:34:33,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:33,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:34:33,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:33,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:33,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 12:34:33,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:33,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:33,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:34:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:33,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:33,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:33,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:33,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:33,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:33,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:33,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:33,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:33,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:33,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:33,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:33,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 12:34:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:34,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:34,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:34,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:34,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:34,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:34,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:34,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:34,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:34,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:34,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:34:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:34,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:34,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:34,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:34,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:34,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:34,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:34,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:34,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:34,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:34,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:34:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:34,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:34,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:34,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:34,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:34,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:34,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:34,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:34,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:34,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 12:34:34,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:34,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 12:34:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:34,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:34,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:34,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:34:34,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:34,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:34,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:34,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:34,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:34,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:34:34,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:34,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:34,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 12:34:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:34,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:34,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:34,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:34,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:34,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:34,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:34,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:34,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:34,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:34,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:34,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:34,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 12:34:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:34,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:34,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:34,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:34:34,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:34,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:34,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:34,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:34,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:34:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:34,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-25 12:34:34,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [512749774] [2020-09-25 12:34:34,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:34,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:34:34,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294623178] [2020-09-25 12:34:34,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:34:34,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:34,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:34:34,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:34:34,118 INFO L87 Difference]: Start difference. First operand 2052 states and 2739 transitions. Second operand 9 states. [2020-09-25 12:34:36,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:36,596 INFO L93 Difference]: Finished difference Result 5552 states and 7928 transitions. [2020-09-25 12:34:36,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 12:34:36,597 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-09-25 12:34:36,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:36,628 INFO L225 Difference]: With dead ends: 5552 [2020-09-25 12:34:36,629 INFO L226 Difference]: Without dead ends: 3551 [2020-09-25 12:34:36,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 12:34:36,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3551 states. [2020-09-25 12:34:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3551 to 2032. [2020-09-25 12:34:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2032 states. [2020-09-25 12:34:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2705 transitions. [2020-09-25 12:34:36,817 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2705 transitions. Word has length 159 [2020-09-25 12:34:36,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:36,818 INFO L479 AbstractCegarLoop]: Abstraction has 2032 states and 2705 transitions. [2020-09-25 12:34:36,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:34:36,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2705 transitions. [2020-09-25 12:34:36,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 12:34:36,832 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:36,833 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, 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] [2020-09-25 12:34:36,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:34:36,833 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:36,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:36,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1761352835, now seen corresponding path program 1 times [2020-09-25 12:34:36,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:36,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939750484] [2020-09-25 12:34:36,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:36,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:36,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-25 12:34:37,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:37,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-09-25 12:34:37,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 12:34:37,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 12:34:37,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:37,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:34:37,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:34:37,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:37,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:37,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:34:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:34:37,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:34:37,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:37,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:37,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:37,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:37,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:37,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:37,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:37,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 12:34:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:34:37,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:37,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:37,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:37,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:37,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 12:34:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:37,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:37,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:37,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:37,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 12:34:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 12:34:37,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:37,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:37,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:37,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:34:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:37,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:37,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:37,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:37,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:37,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 12:34:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:37,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 12:34:37,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:37,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:37,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:37,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:34:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:37,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:37,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:37,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:37,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:37,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:34:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:37,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:37,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:37,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:37,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 12:34:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:37,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:37,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:37,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:37,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:37,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 12:34:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:37,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:34:37,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:37,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:34:37,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:37,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:34:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:37,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:37,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:37,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:37,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:37,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:37,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:37,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:37,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:37,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:37,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:37,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-25 12:34:37,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939750484] [2020-09-25 12:34:37,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:37,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:34:37,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117082824] [2020-09-25 12:34:37,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:34:37,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:37,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:34:37,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:34:37,424 INFO L87 Difference]: Start difference. First operand 2032 states and 2705 transitions. Second operand 8 states. [2020-09-25 12:34:40,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:34:40,848 INFO L93 Difference]: Finished difference Result 8116 states and 12382 transitions. [2020-09-25 12:34:40,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 12:34:40,848 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2020-09-25 12:34:40,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:34:40,892 INFO L225 Difference]: With dead ends: 8116 [2020-09-25 12:34:40,892 INFO L226 Difference]: Without dead ends: 6137 [2020-09-25 12:34:40,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2020-09-25 12:34:40,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6137 states. [2020-09-25 12:34:41,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6137 to 4479. [2020-09-25 12:34:41,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4479 states. [2020-09-25 12:34:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4479 states to 4479 states and 6353 transitions. [2020-09-25 12:34:41,323 INFO L78 Accepts]: Start accepts. Automaton has 4479 states and 6353 transitions. Word has length 165 [2020-09-25 12:34:41,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:34:41,323 INFO L479 AbstractCegarLoop]: Abstraction has 4479 states and 6353 transitions. [2020-09-25 12:34:41,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:34:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 4479 states and 6353 transitions. [2020-09-25 12:34:41,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-25 12:34:41,342 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:34:41,343 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-25 12:34:41,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 12:34:41,343 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:34:41,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:34:41,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1555770528, now seen corresponding path program 1 times [2020-09-25 12:34:41,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:34:41,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458018177] [2020-09-25 12:34:41,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:34:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:41,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:41,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:41,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:41,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:42,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:43,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:44,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 287 [2020-09-25 12:34:46,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 12:34:46,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 12:34:46,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 12:34:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:34:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-09-25 12:34:46,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:46,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:34:46,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 12:34:46,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:46,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 12:34:46,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 12:34:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:34:46,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:46,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:46,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:34:46,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:34:46,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 12:34:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:34:46,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:34:46,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:46,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:34:46,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 12:34:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 12:34:46,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:34:46,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 12:34:46,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 12:34:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:46,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:46,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:46,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:34:46,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 12:34:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 12:34:46,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 12:34:46,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:46,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-25 12:34:46,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:34:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:46,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:46,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:46,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:46,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:46,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 12:34:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:46,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:34:46,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:46,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:34:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:46,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:34:46,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:46,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:46,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:46,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:34:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:46,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:46,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:46,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:46,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:34:46,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 12:34:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:46,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:46,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:46,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:46,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:46,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:34:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:46,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:46,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 12:34:46,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:34:46,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:34:46,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-25 12:34:46,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 12:34:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:46,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:34:46,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:46,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 12:34:46,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:46,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:46,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 12:34:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:46,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:46,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:46,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 12:34:46,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:46,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:34:46,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:46,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:46,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 12:34:46,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:46,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:47,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 12:34:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:47,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:47,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 12:34:47,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:34:47,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-09-25 12:34:47,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:47,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:47,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:47,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 12:34:47,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 12:34:47,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:34:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:47,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:47,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 12:34:47,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:47,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-25 12:34:47,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:47,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 12:34:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 12:34:47,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:47,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:34:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:47,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:47,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 12:34:47,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:34:47,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 12:34:47,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:47,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:34:47,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:47,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:34:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:47,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:47,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:47,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:47,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:47,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:47,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:34:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:34:47,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:34:47,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 12:34:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:47,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:47,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:47,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:47,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:47,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:47,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:47,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:47,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:47,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 12:34:47,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:47,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 12:34:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:34:47,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:34:47,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:34:47,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:34:47,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:34:47,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:34:47,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:34:47,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:34:47,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:34:47,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:34:47,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:34:47,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:34:47,635 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-09-25 12:34:47,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458018177] [2020-09-25 12:34:47,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:34:47,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 12:34:47,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568631210] [2020-09-25 12:34:47,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 12:34:47,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:34:47,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 12:34:47,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-25 12:34:47,640 INFO L87 Difference]: Start difference. First operand 4479 states and 6353 transitions. Second operand 14 states.