/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=0.5 --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 14:49:19,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:49:19,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:49:19,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:49:19,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:49:19,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:49:19,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:49:19,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:49:19,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:49:19,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:49:19,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:49:19,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:49:19,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:49:19,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:49:19,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:49:19,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:49:19,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:49:19,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:49:19,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:49:19,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:49:19,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:49:19,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:49:19,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:49:19,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:49:19,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:49:19,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:49:19,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:49:19,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:49:19,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:49:19,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:49:19,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:49:19,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:49:19,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:49:19,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:49:19,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:49:19,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:49:19,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:49:19,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:49:19,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:49:19,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:49:19,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:49:19,306 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 14:49:19,334 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:49:19,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:49:19,336 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:49:19,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:49:19,342 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:49:19,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:49:19,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:49:19,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:49:19,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:49:19,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:49:19,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:49:19,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:49:19,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:49:19,343 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:49:19,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:49:19,344 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:49:19,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:49:19,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:49:19,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:49:19,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:49:19,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:49:19,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:49:19,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:49:19,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:49:19,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:49:19,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:49:19,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:49:19,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:49:19,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:49:19,349 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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true; [2020-09-25 14:49:19,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:49:19,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:49:19,846 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:49:19,847 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:49:19,848 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:49:19,849 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-09-25 14:49:19,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30ae70645/a88cb75945444561aea6bbfc724842ff/FLAG811da92fa [2020-09-25 14:49:20,493 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:49:20,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-09-25 14:49:20,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30ae70645/a88cb75945444561aea6bbfc724842ff/FLAG811da92fa [2020-09-25 14:49:20,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30ae70645/a88cb75945444561aea6bbfc724842ff [2020-09-25 14:49:20,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:49:20,834 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:49:20,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:49:20,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:49:20,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:49:20,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:49:20" (1/1) ... [2020-09-25 14:49:20,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee4d01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:20, skipping insertion in model container [2020-09-25 14:49:20,847 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:49:20" (1/1) ... [2020-09-25 14:49:20,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:49:20,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:49:21,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:49:21,211 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:49:21,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:49:21,379 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:49:21,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21 WrapperNode [2020-09-25 14:49:21,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:49:21,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:49:21,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:49:21,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:49:21,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:49:21,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:49:21,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:49:21,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:49:21,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (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 14:49:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:49:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:49:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 14:49:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 14:49:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 14:49:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-09-25 14:49:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 14:49:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 14:49:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-09-25 14:49:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 14:49:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 14:49:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 14:49:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 14:49:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 14:49:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 14:49:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 14:49:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 14:49:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 14:49:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 14:49:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 14:49:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 14:49:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 14:49:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:49:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:49:21,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:49:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 14:49:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 14:49:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 14:49:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-09-25 14:49:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 14:49:21,533 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 14:49:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 14:49:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-09-25 14:49:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 14:49:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 14:49:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 14:49:21,534 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 14:49:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 14:49:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 14:49:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 14:49:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 14:49:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 14:49:21,535 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 14:49:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 14:49:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 14:49:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:49:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:49:21,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:49:22,155 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:49:22,156 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-25 14:49:22,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:49:22 BoogieIcfgContainer [2020-09-25 14:49:22,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:49:22,165 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:49:22,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:49:22,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:49:22,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:49:20" (1/3) ... [2020-09-25 14:49:22,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383fcb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:49:22, skipping insertion in model container [2020-09-25 14:49:22,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (2/3) ... [2020-09-25 14:49:22,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383fcb46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:49:22, skipping insertion in model container [2020-09-25 14:49:22,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:49:22" (3/3) ... [2020-09-25 14:49:22,174 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-09-25 14:49:22,187 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:49:22,199 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:49:22,224 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:49:22,262 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:49:22,262 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:49:22,262 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:49:22,262 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:49:22,263 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:49:22,263 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:49:22,263 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:49:22,263 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:49:22,296 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states. [2020-09-25 14:49:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-25 14:49:22,314 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:22,316 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 14:49:22,317 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:22,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:22,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1383476838, now seen corresponding path program 1 times [2020-09-25 14:49:22,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:22,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693240188] [2020-09-25 14:49:22,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:22,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:22,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:23,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:24,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:24,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:27,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:27,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-25 14:49:27,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:49:27,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 14:49:27,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:27,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:27,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:49:27,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-09-25 14:49:27,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-25 14:49:27,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 14:49:27,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:27,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:27,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:27,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:49:27,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:27,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:49:27,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:27,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:27,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:27,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:27,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:27,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:27,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:49:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:27,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:27,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:27,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:49:27,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:27,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:27,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:27,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:27,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:27,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:27,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:27,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:27,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 14:49:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:27,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:27,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:27,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:49:27,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:27,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:27,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:27,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:27,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:27,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:27,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:27,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:49:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:27,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:28,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:28,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:28,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:28,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:49:28,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:28,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:28,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:28,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:28,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 14:49:28,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:28,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 14:49:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:28,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:28,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:28,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:49:28,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:28,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:49:28,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:28,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:49:28,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:28,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 14:49:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:28,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:28,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:28,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:28,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:28,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 14:49:28,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:28,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:28,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:49:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:49:28,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 14:49:28,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:28,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:28,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:28,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:28,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:28,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:28,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:28,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:28,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:28,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:28,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:28,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:28,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:28,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:28,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:28,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:28,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:28,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:28,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:28,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:28,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:28,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:28,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:28,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:28,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:28,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:28,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:28,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:28,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:28,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:28,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:28,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:49:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:28,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:28,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:28,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:49:28,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:28,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:49:28,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:28,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:28,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:49:28,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:28,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 14:49:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:28,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:28,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:28,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:28,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:28,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:49:28,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:49:28,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:28,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:28,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:28,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:28,228 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 14:49:28,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693240188] [2020-09-25 14:49:28,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:49:28,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:49:28,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013948647] [2020-09-25 14:49:28,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:49:28,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:49:28,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:49:28,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:49:28,262 INFO L87 Difference]: Start difference. First operand 257 states. Second operand 8 states. [2020-09-25 14:49:32,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:49:32,389 INFO L93 Difference]: Finished difference Result 1124 states and 1627 transitions. [2020-09-25 14:49:32,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 14:49:32,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 127 [2020-09-25 14:49:32,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:49:32,431 INFO L225 Difference]: With dead ends: 1124 [2020-09-25 14:49:32,431 INFO L226 Difference]: Without dead ends: 881 [2020-09-25 14:49:32,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-09-25 14:49:32,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2020-09-25 14:49:32,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 479. [2020-09-25 14:49:32,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2020-09-25 14:49:32,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 601 transitions. [2020-09-25 14:49:32,612 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 601 transitions. Word has length 127 [2020-09-25 14:49:32,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:49:32,613 INFO L479 AbstractCegarLoop]: Abstraction has 479 states and 601 transitions. [2020-09-25 14:49:32,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:49:32,614 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 601 transitions. [2020-09-25 14:49:32,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-25 14:49:32,620 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:32,621 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:49:32,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:49:32,621 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:32,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:32,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1691024482, now seen corresponding path program 1 times [2020-09-25 14:49:32,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:32,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2143040222] [2020-09-25 14:49:32,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:32,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:32,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:32,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:33,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:33,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:37,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:37,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-25 14:49:37,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:49:37,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 14:49:37,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:37,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:37,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:49:37,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-09-25 14:49:37,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-25 14:49:37,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:37,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:37,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:37,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:37,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:49:37,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:37,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 14:49:37,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:37,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:37,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:37,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:37,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:37,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:37,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:49:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:37,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:37,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:37,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:49:37,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:37,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:37,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:37,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:37,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:37,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:37,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:37,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:37,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 14:49:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:37,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:37,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:37,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:49:37,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:37,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:37,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:37,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:37,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:37,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:37,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:37,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:49:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:37,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:37,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:37,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:37,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:37,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:49:37,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:37,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:37,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:37,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:37,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:49:37,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:37,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 14:49:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:37,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:37,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:37,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:49:37,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:37,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:49:37,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:37,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:37,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:37,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:49:37,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:37,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 14:49:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:37,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:37,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:37,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:37,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:37,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 14:49:37,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:37,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:37,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:49:37,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:49:37,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 14:49:37,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:37,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:37,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:37,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:37,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:37,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:37,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:37,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:37,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:37,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:37,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:37,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:37,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:37,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:37,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:49:37,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:37,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:37,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:37,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 14:49:37,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:37,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:37,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:37,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:37,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:49:37,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:37,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:37,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:37,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:49:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:37,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:38,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:38,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:49:38,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:38,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:49:38,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:38,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:38,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:49:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:38,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 14:49:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:38,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:38,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:38,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:38,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:49:38,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:49:38,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:49:38,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:38,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:49:38,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:38,075 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 14:49:38,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2143040222] [2020-09-25 14:49:38,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:49:38,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:49:38,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590227062] [2020-09-25 14:49:38,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:49:38,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:49:38,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:49:38,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:49:38,080 INFO L87 Difference]: Start difference. First operand 479 states and 601 transitions. Second operand 8 states. [2020-09-25 14:49:41,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:49:41,162 INFO L93 Difference]: Finished difference Result 2184 states and 3182 transitions. [2020-09-25 14:49:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 14:49:41,163 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2020-09-25 14:49:41,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:49:41,181 INFO L225 Difference]: With dead ends: 2184 [2020-09-25 14:49:41,182 INFO L226 Difference]: Without dead ends: 1762 [2020-09-25 14:49:41,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-09-25 14:49:41,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states. [2020-09-25 14:49:41,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 953. [2020-09-25 14:49:41,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2020-09-25 14:49:41,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1238 transitions. [2020-09-25 14:49:41,361 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1238 transitions. Word has length 128 [2020-09-25 14:49:41,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:49:41,362 INFO L479 AbstractCegarLoop]: Abstraction has 953 states and 1238 transitions. [2020-09-25 14:49:41,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:49:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1238 transitions. [2020-09-25 14:49:41,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-09-25 14:49:41,368 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:41,369 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:49:41,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:49:41,370 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:41,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:41,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1258593684, now seen corresponding path program 1 times [2020-09-25 14:49:41,370 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:41,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171273150] [2020-09-25 14:49:41,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:41,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:41,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:41,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:41,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:42,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:45,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:45,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 164 [2020-09-25 14:49:45,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:49:45,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4503 [2020-09-25 14:49:45,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:45,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 14:49:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:49:45,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-09-25 14:49:45,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:45,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:45,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:46,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:49:46,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 14:49:46,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:46,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:49:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:46,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:49:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:46,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:46,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:46,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:49:46,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:46,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:46,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:46,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:46,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:46,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:49:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:46,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 14:49:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:46,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:46,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:46,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:49:46,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:46,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:46,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:46,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:49:46,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:49:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:46,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:46,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:46,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:46,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:46,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:49:46,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:46,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 14:49:46,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 14:49:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:46,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:46,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:46,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:49:46,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:46,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:49:46,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:46,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:46,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:46,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:46,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:49:46,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:46,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 14:49:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:46,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:46,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:46,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:46,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:46,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 14:49:46,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:46,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:46,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:46,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:46,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-25 14:49:46,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:46,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:46,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:46,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:46,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:46,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:46,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:46,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:46,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:46,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:46,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:46,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:46,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:46,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:46,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:46,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:46,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:46,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:46,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:46,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:46,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:46,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:46,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:46,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:46,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:46,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:46,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:46,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:46,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:46,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:46,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:46,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:46,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:46,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:49:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:46,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:46,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:46,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:49:46,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:46,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:46,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:46,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:46,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:46,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:49:46,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:46,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 14:49:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:46,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:46,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:46,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:46,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:46,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:49:46,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:46,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:46,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:46,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:46,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 14:49:46,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:46,244 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 14:49:46,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171273150] [2020-09-25 14:49:46,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:49:46,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:49:46,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569463414] [2020-09-25 14:49:46,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:49:46,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:49:46,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:49:46,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:49:46,248 INFO L87 Difference]: Start difference. First operand 953 states and 1238 transitions. Second operand 7 states. [2020-09-25 14:49:48,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:49:48,789 INFO L93 Difference]: Finished difference Result 3809 states and 5502 transitions. [2020-09-25 14:49:48,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 14:49:48,790 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 129 [2020-09-25 14:49:48,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:49:48,811 INFO L225 Difference]: With dead ends: 3809 [2020-09-25 14:49:48,811 INFO L226 Difference]: Without dead ends: 2925 [2020-09-25 14:49:48,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:49:48,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2925 states. [2020-09-25 14:49:48,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2925 to 1886. [2020-09-25 14:49:48,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1886 states. [2020-09-25 14:49:48,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1886 states to 1886 states and 2481 transitions. [2020-09-25 14:49:48,973 INFO L78 Accepts]: Start accepts. Automaton has 1886 states and 2481 transitions. Word has length 129 [2020-09-25 14:49:48,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:49:48,974 INFO L479 AbstractCegarLoop]: Abstraction has 1886 states and 2481 transitions. [2020-09-25 14:49:48,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:49:48,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2481 transitions. [2020-09-25 14:49:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-09-25 14:49:48,982 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:48,983 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 14:49:48,983 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:49:48,983 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:48,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:48,984 INFO L82 PathProgramCache]: Analyzing trace with hash 248790411, now seen corresponding path program 1 times [2020-09-25 14:49:48,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:48,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527326076] [2020-09-25 14:49:48,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 14:49:49,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:49:49,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 665 [2020-09-25 14:49:49,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 14:49:49,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 14:49:49,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:49,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:49:49,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:49:49,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:49,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:49,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:49:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:49:49,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:49,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 14:49:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:49,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 14:49:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:49:49,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:49,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:49,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:49:49,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:49,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:49:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:49,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:49:49,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:49,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 14:49:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:49:49,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:49,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 14:49:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:49:49,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:49:49,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:49,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 14:49:49,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:49,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:49,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 14:49:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:49,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:49,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 14:49:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:49,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:49,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:49,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:49,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:49,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:49,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:49,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:49,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:49,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:49,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:49,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:49,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:49,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:49,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:49,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:49,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:49,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:49:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:49:49,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:49:49,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:49,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 14:49:49,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:49,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:49,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 14:49:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:49,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:49,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:49:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:49,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:49,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 14:49:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:49,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:49,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 14:49:49,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:49,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:49,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 14:49:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:49,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:49,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:49,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:49,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:49,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:49:49,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:49,961 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 14:49:49,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527326076] [2020-09-25 14:49:49,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:49:49,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:49:49,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886779991] [2020-09-25 14:49:49,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:49:49,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:49:49,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:49:49,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:49:49,963 INFO L87 Difference]: Start difference. First operand 1886 states and 2481 transitions. Second operand 9 states. [2020-09-25 14:49:52,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:49:52,312 INFO L93 Difference]: Finished difference Result 5386 states and 7670 transitions. [2020-09-25 14:49:52,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 14:49:52,312 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2020-09-25 14:49:52,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:49:52,338 INFO L225 Difference]: With dead ends: 5386 [2020-09-25 14:49:52,338 INFO L226 Difference]: Without dead ends: 3551 [2020-09-25 14:49:52,348 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 14:49:52,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3551 states. [2020-09-25 14:49:52,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3551 to 2032. [2020-09-25 14:49:52,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2032 states. [2020-09-25 14:49:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2705 transitions. [2020-09-25 14:49:52,561 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2705 transitions. Word has length 159 [2020-09-25 14:49:52,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:49:52,561 INFO L479 AbstractCegarLoop]: Abstraction has 2032 states and 2705 transitions. [2020-09-25 14:49:52,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:49:52,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2705 transitions. [2020-09-25 14:49:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 14:49:52,567 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:52,567 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 14:49:52,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:49:52,568 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:52,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:52,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1761352835, now seen corresponding path program 1 times [2020-09-25 14:49:52,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:52,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202181106] [2020-09-25 14:49:52,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:52,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:52,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:52,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:52,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-09-25 14:49:52,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:49:52,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-25 14:49:52,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:52,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 164 [2020-09-25 14:49:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 14:49:52,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:52,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:52,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:52,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:52,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:49:52,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:52,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:52,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:52,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:52,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:49:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:52,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:52,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:52,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:49:52,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:52,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:52,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:52,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:52,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:52,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:52,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:52,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 14:49:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:52,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:52,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:52,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:49:52,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:52,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:52,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:52,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:52,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:52,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:52,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:52,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:52,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:49:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:52,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:52,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:52,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:52,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:52,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:52,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:52,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:52,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:52,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:52,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:53,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 14:49:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:53,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:53,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:49:53,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:53,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:53,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:53,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:53,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 14:49:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:53,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:53,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:53,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:53,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:53,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:53,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:53,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:53,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:53,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:53,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:53,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:53,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:53,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:53,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:53,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:53,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:53,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:53,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:53,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:53,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:53,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:53,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:53,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:53,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:53,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:53,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:53,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:53,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:53,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:53,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:53,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:53,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:53,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:49:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:53,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:53,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:49:53,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:53,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:53,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:53,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:53,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:53,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:53,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:53,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 14:49:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:53,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:53,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:53,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:53,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:53,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:53,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:53,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:53,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:53,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 14:49:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:53,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:53,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:53,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:53,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:49:53,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:53,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:53,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:53,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:49:53,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:53,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:49:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:53,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:53,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:53,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:49:53,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:53,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:53,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:53,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:53,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:53,162 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 14:49:53,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202181106] [2020-09-25 14:49:53,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:49:53,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 14:49:53,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961267910] [2020-09-25 14:49:53,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 14:49:53,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:49:53,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 14:49:53,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 14:49:53,166 INFO L87 Difference]: Start difference. First operand 2032 states and 2705 transitions. Second operand 8 states. [2020-09-25 14:49:56,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:49:56,566 INFO L93 Difference]: Finished difference Result 8116 states and 12382 transitions. [2020-09-25 14:49:56,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 14:49:56,567 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2020-09-25 14:49:56,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:49:56,608 INFO L225 Difference]: With dead ends: 8116 [2020-09-25 14:49:56,608 INFO L226 Difference]: Without dead ends: 6137 [2020-09-25 14:49:56,626 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 14:49:56,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6137 states. [2020-09-25 14:49:57,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6137 to 4479. [2020-09-25 14:49:57,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4479 states. [2020-09-25 14:49:57,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4479 states to 4479 states and 6353 transitions. [2020-09-25 14:49:57,047 INFO L78 Accepts]: Start accepts. Automaton has 4479 states and 6353 transitions. Word has length 165 [2020-09-25 14:49:57,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:49:57,047 INFO L479 AbstractCegarLoop]: Abstraction has 4479 states and 6353 transitions. [2020-09-25 14:49:57,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 14:49:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand 4479 states and 6353 transitions. [2020-09-25 14:49:57,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-09-25 14:49:57,070 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:57,071 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:49:57,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:49:57,072 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:57,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:57,072 INFO L82 PathProgramCache]: Analyzing trace with hash 865796045, now seen corresponding path program 1 times [2020-09-25 14:49:57,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:57,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254947584] [2020-09-25 14:49:57,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:58,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:58,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:00,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:00,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:00,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:01,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-09-25 14:50:02,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-09-25 14:50:02,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 14:50:02,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:50:02,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-25 14:50:02,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 14:50:02,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:50:02,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:50:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 14:50:02,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:50:02,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:50:02,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:50:02,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:02,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 14:50:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:50:02,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:50:02,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:50:02,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:50:02,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:02,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 14:50:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:50:02,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:50:02,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:50:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:50:02,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:02,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:50:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:50:02,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:50:02,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:50:02,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:50:02,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:02,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 14:50:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:50:02,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:50:02,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:50:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:50:02,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:02,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 14:50:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:50:02,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:50:02,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:50:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 14:50:02,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:02,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:50:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:50:02,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:50:02,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:50:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:50:02,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:02,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:50:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:50:02,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:50:02,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:50:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 14:50:02,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:02,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:50:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:50:02,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:50:02,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:50:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:50:02,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:02,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 14:50:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:50:02,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:50:02,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:50:02,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:50:02,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:02,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 14:50:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:50:02,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:50:02,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:50:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:50:02,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:50:02,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:50:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:50:02,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:50:02,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:50:02,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:50:02,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:50:02,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 14:50:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:50:02,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:50:02,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:50:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:50:02,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:02,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:50:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 14:50:02,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:02,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:50:02,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:50:02,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:02,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:50:02,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:50:02,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 14:50:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-25 14:50:02,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:50:02,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 307 [2020-09-25 14:50:02,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:50:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:50:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 14:50:02,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:50:02,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:50:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:02,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:02,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:02,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 14:50:02,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:50:02,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 14:50:02,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:02,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:50:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:03,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 14:50:03,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:03,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:50:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:03,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:03,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:03,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:03,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 14:50:03,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:50:03,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 14:50:03,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:03,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:03,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 14:50:03,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-25 14:50:03,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:50:03,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:03,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:50:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:03,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:03,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:03,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:50:03,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:03,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:50:03,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:03,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:50:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:50:03,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:03,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:50:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:03,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:03,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:03,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:50:03,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:03,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:50:03,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:03,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:50:03,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:03,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:50:03,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:03,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:50:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:03,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:03,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:50:03,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:50:03,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:50:03,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:50:03,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:50:03,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:50:03,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:50:03,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:50:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:50:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:50:03,286 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-09-25 14:50:03,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254947584] [2020-09-25 14:50:03,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:50:03,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-25 14:50:03,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505026293] [2020-09-25 14:50:03,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-25 14:50:03,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:50:03,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-25 14:50:03,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-09-25 14:50:03,290 INFO L87 Difference]: Start difference. First operand 4479 states and 6353 transitions. Second operand 16 states.