/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:10:00,338 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:10:00,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:10:00,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:10:00,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:10:00,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:10:00,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:10:00,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:10:00,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:10:00,370 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:10:00,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:10:00,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:10:00,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:10:00,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:10:00,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:10:00,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:10:00,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:10:00,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:10:00,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:10:00,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:10:00,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:10:00,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:10:00,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:10:00,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:10:00,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:10:00,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:10:00,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:10:00,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:10:00,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:10:00,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:10:00,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:10:00,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:10:00,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:10:00,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:10:00,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:10:00,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:10:00,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:10:00,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:10:00,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:10:00,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:10:00,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:10:00,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 10:10:00,418 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:10:00,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:10:00,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:10:00,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:10:00,420 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:10:00,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:10:00,420 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:10:00,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:10:00,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:10:00,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:10:00,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:10:00,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:10:00,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:10:00,422 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:10:00,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:10:00,422 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:10:00,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:10:00,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:10:00,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:10:00,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:10:00,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:10:00,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:10:00,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:10:00,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:10:00,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:10:00,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:10:00,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:10:00,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:10:00,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:10:00,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:10:00,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:10:00,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:10:00,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:10:00,735 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:10:00,737 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:10:00,738 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2020-10-14 10:10:00,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c5daa710/0ff6300bb37744ce860252c89947d69a/FLAGb033d5f7a [2020-10-14 10:10:01,298 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:10:01,298 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2020-10-14 10:10:01,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c5daa710/0ff6300bb37744ce860252c89947d69a/FLAGb033d5f7a [2020-10-14 10:10:01,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8c5daa710/0ff6300bb37744ce860252c89947d69a [2020-10-14 10:10:01,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:10:01,661 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:10:01,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:10:01,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:10:01,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:10:01,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:10:01" (1/1) ... [2020-10-14 10:10:01,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6266eb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:10:01, skipping insertion in model container [2020-10-14 10:10:01,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:10:01" (1/1) ... [2020-10-14 10:10:01,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:10:01,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:10:01,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:10:01,929 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:10:02,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:10:02,081 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:10:02,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:10:02 WrapperNode [2020-10-14 10:10:02,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:10:02,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:10:02,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:10:02,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:10:02,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:10:02" (1/1) ... [2020-10-14 10:10:02,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:10:02" (1/1) ... [2020-10-14 10:10:02,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:10:02" (1/1) ... [2020-10-14 10:10:02,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:10:02" (1/1) ... [2020-10-14 10:10:02,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:10:02" (1/1) ... [2020-10-14 10:10:02,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:10:02" (1/1) ... [2020-10-14 10:10:02,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:10:02" (1/1) ... [2020-10-14 10:10:02,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:10:02,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:10:02,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:10:02,128 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:10:02,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:10:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:10:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:10:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:10:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-14 10:10:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-10-14 10:10:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-10-14 10:10:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-10-14 10:10:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-10-14 10:10:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-10-14 10:10:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-10-14 10:10:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-14 10:10:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-14 10:10:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-14 10:10:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-14 10:10:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-14 10:10:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-14 10:10:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-14 10:10:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-14 10:10:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-14 10:10:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-14 10:10:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:10:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:10:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:10:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-14 10:10:02,196 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-10-14 10:10:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-10-14 10:10:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-10-14 10:10:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-10-14 10:10:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-10-14 10:10:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-10-14 10:10:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-14 10:10:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-14 10:10:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-14 10:10:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-14 10:10:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-14 10:10:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-14 10:10:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-14 10:10:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-14 10:10:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-14 10:10:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-14 10:10:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:10:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:10:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:10:02,637 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:10:02,637 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 10:10:02,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:10:02 BoogieIcfgContainer [2020-10-14 10:10:02,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:10:02,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:10:02,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:10:02,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:10:02,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:10:01" (1/3) ... [2020-10-14 10:10:02,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73902ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:10:02, skipping insertion in model container [2020-10-14 10:10:02,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:10:02" (2/3) ... [2020-10-14 10:10:02,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73902ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:10:02, skipping insertion in model container [2020-10-14 10:10:02,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:10:02" (3/3) ... [2020-10-14 10:10:02,652 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_2.cil-1.c [2020-10-14 10:10:02,662 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:10:02,669 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:10:02,685 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:10:02,710 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:10:02,711 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:10:02,711 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:10:02,711 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:10:02,711 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:10:02,711 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:10:02,712 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:10:02,712 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:10:02,736 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-10-14 10:10:02,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-14 10:10:02,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:02,749 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] [2020-10-14 10:10:02,749 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:02,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:02,754 INFO L82 PathProgramCache]: Analyzing trace with hash 4101629, now seen corresponding path program 1 times [2020-10-14 10:10:02,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:02,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [259835097] [2020-10-14 10:10:02,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:03,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:03,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:03,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:03,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:03,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:03,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:06,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:06,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:06,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:07,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:07,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 10:10:07,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 10:10:07,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 10:10:07,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:07,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-14 10:10:07,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:10:07,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 10:10:08,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:08,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:08,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:08,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:08,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:10:08,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:08,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:08,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:08,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:08,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:08,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:10:08,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:10:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:08,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:08,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:08,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:08,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:08,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:08,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:08,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:08,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:08,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:08,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:10:08,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:10:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:08,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:08,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:08,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:08,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:08,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:08,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:08,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:08,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:08,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:08,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:08,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:10:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:08,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:08,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:08,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:08,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:08,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:08,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:08,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:08,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:10:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:08,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:08,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:08,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:08,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:08,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:08,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:08,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:08,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:08,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:10:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:08,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:08,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:10:08,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:10:08,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 10:10:08,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:08,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:08,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:08,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:08,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:08,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:10:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:08,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:08,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:08,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:08,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:10:08,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:08,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:08,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:08,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:08,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:10:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:08,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:08,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:08,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:08,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:08,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:08,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:08,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:08,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:08,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:08,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:08,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:10:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:08,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:08,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:08,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:08,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:08,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:08,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:08,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:08,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:08,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:10:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:08,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:08,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:08,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:10:08,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:08,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 10:10:08,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:08,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:08,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:08,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:10:08,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 10:10:08,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:10:08,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [259835097] [2020-10-14 10:10:08,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:08,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:10:08,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027430775] [2020-10-14 10:10:08,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:10:08,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:08,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:10:08,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:10:08,503 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 8 states. [2020-10-14 10:10:10,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:10,849 INFO L93 Difference]: Finished difference Result 560 states and 975 transitions. [2020-10-14 10:10:10,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 10:10:10,852 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2020-10-14 10:10:10,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:10,874 INFO L225 Difference]: With dead ends: 560 [2020-10-14 10:10:10,874 INFO L226 Difference]: Without dead ends: 421 [2020-10-14 10:10:10,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:10:10,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2020-10-14 10:10:11,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 227. [2020-10-14 10:10:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-14 10:10:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 305 transitions. [2020-10-14 10:10:11,034 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 305 transitions. Word has length 78 [2020-10-14 10:10:11,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:11,035 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 305 transitions. [2020-10-14 10:10:11,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:10:11,035 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 305 transitions. [2020-10-14 10:10:11,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 10:10:11,052 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:11,053 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] [2020-10-14 10:10:11,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:10:11,053 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:11,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:11,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1662444207, now seen corresponding path program 1 times [2020-10-14 10:10:11,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:11,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805652171] [2020-10-14 10:10:11,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:11,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:11,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:11,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:11,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:12,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:12,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:12,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 10:10:16,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-14 10:10:16,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 10:10:16,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:10:16,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:10:16,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 10:10:16,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:16,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:16,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:16,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:16,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:10:16,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:16,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:16,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:16,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:16,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:10:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:16,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:16,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:16,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:16,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:16,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:10:16,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:10:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:16,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:16,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:16,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:16,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:10:16,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:16,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:10:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:16,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:16,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:16,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:16,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:16,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:16,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:16,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:10:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:16,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:16,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:16,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:16,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:16,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:16,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:16,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:10:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:16,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:10:16,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:10:16,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 10:10:16,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:16,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:10:16,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:10:16,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:16,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:10:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:16,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:16,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:16,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:10:16,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:16,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:16,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:16,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:16,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:10:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:16,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:16,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:16,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:10:16,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:16,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:16,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:10:16,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:16,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:10:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:16,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:16,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:16,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:16,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:16,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:10:16,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:16,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:10:16,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:10:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:16,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:16,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:16,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:10:16,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:16,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:16,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:16,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:16,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:10:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:16,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:16,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:10:16,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805652171] [2020-10-14 10:10:16,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:16,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:10:16,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505876003] [2020-10-14 10:10:16,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:10:16,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:16,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:10:16,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:10:16,398 INFO L87 Difference]: Start difference. First operand 227 states and 305 transitions. Second operand 9 states. [2020-10-14 10:10:19,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:19,202 INFO L93 Difference]: Finished difference Result 945 states and 1607 transitions. [2020-10-14 10:10:19,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 10:10:19,203 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-10-14 10:10:19,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:19,214 INFO L225 Difference]: With dead ends: 945 [2020-10-14 10:10:19,214 INFO L226 Difference]: Without dead ends: 743 [2020-10-14 10:10:19,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2020-10-14 10:10:19,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2020-10-14 10:10:19,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 415. [2020-10-14 10:10:19,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-10-14 10:10:19,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 558 transitions. [2020-10-14 10:10:19,312 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 558 transitions. Word has length 79 [2020-10-14 10:10:19,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:19,313 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 558 transitions. [2020-10-14 10:10:19,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:10:19,313 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 558 transitions. [2020-10-14 10:10:19,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 10:10:19,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:19,315 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] [2020-10-14 10:10:19,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:10:19,315 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:19,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:19,316 INFO L82 PathProgramCache]: Analyzing trace with hash 604195747, now seen corresponding path program 1 times [2020-10-14 10:10:19,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:19,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [473964258] [2020-10-14 10:10:19,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:19,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:19,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:19,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:19,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:21,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:21,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:24,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 10:10:24,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:10:24,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 10:10:24,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:24,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:10:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 10:10:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:24,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:24,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:24,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:24,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:24,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:24,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:24,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:24,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:24,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:24,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:24,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:24,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:24,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:10:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:24,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:24,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:24,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:24,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:24,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:24,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:24,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:24,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:24,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:24,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:10:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:24,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:24,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:24,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:24,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:24,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:24,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:24,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:24,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:24,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:24,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:10:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:24,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:24,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:24,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:24,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:24,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:24,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:24,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:24,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:10:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:24,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:24,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:24,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:24,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:24,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:24,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:24,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:24,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:24,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:24,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:24,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:10:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:24,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:24,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:10:24,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:10:24,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 10:10:24,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:24,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:24,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:10:24,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:10:24,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:24,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:24,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:10:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:24,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:24,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:24,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:24,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:24,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:24,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:24,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:24,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:24,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:24,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:10:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:24,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:24,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:24,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:24,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:10:24,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:24,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:24,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:10:24,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:24,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:10:24,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:24,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:10:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:24,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:24,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:24,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:24,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:24,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:24,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:24,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:24,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:10:24,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:24,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:24,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:10:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:24,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:24,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:24,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:10:24,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:24,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:24,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:24,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:24,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:24,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:10:24,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:24,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:10:24,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [473964258] [2020-10-14 10:10:24,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:24,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 10:10:24,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855870233] [2020-10-14 10:10:24,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:10:24,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:24,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:10:24,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:10:24,639 INFO L87 Difference]: Start difference. First operand 415 states and 558 transitions. Second operand 11 states. [2020-10-14 10:10:26,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:26,674 INFO L93 Difference]: Finished difference Result 1127 states and 1787 transitions. [2020-10-14 10:10:26,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 10:10:26,675 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-10-14 10:10:26,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:26,685 INFO L225 Difference]: With dead ends: 1127 [2020-10-14 10:10:26,685 INFO L226 Difference]: Without dead ends: 737 [2020-10-14 10:10:26,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-14 10:10:26,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-10-14 10:10:26,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 429. [2020-10-14 10:10:26,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-10-14 10:10:26,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 568 transitions. [2020-10-14 10:10:26,770 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 568 transitions. Word has length 79 [2020-10-14 10:10:26,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:26,770 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 568 transitions. [2020-10-14 10:10:26,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:10:26,771 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 568 transitions. [2020-10-14 10:10:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 10:10:26,773 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:26,774 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] [2020-10-14 10:10:26,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:10:26,774 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:26,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:26,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1639787551, now seen corresponding path program 1 times [2020-10-14 10:10:26,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:26,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740397700] [2020-10-14 10:10:26,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:26,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:26,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:26,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:27,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:27,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:31,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 10:10:31,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:10:31,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:10:31,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:31,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:31,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:10:31,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 10:10:31,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:31,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:31,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:31,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:31,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:31,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:31,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:31,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:31,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:31,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:31,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:31,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:31,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:31,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:10:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:31,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:31,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:31,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:31,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:31,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:31,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:31,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:31,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:31,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:31,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:31,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:10:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:31,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:31,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:31,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:31,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:31,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:31,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:31,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:31,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:31,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:31,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:31,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:10:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:31,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:31,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:31,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:31,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:31,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:31,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:31,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:31,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:31,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:31,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:31,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:10:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:31,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:31,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:31,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:31,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:31,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:31,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:31,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:31,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:31,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:10:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:31,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:31,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:10:31,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:31,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:10:31,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:31,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:31,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:10:31,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:10:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:31,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:31,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:10:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:31,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:31,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:31,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:31,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:31,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:10:31,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:31,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:31,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:10:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:10:31,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:32,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:10:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:32,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:32,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:32,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:32,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:32,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:32,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:32,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:32,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:32,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:10:32,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:32,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:32,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:10:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:32,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:32,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:32,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:32,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:32,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:32,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:32,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:32,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:10:32,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:32,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:32,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:10:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:32,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:32,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:32,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:10:32,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:32,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:32,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:32,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:10:32,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:32,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:10:32,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740397700] [2020-10-14 10:10:32,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:32,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 10:10:32,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819689865] [2020-10-14 10:10:32,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:10:32,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:32,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:10:32,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:10:32,044 INFO L87 Difference]: Start difference. First operand 429 states and 568 transitions. Second operand 11 states. [2020-10-14 10:10:33,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:33,800 INFO L93 Difference]: Finished difference Result 1162 states and 1811 transitions. [2020-10-14 10:10:33,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 10:10:33,801 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-10-14 10:10:33,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:33,807 INFO L225 Difference]: With dead ends: 1162 [2020-10-14 10:10:33,807 INFO L226 Difference]: Without dead ends: 759 [2020-10-14 10:10:33,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:10:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-10-14 10:10:33,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 452. [2020-10-14 10:10:33,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2020-10-14 10:10:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 594 transitions. [2020-10-14 10:10:33,862 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 594 transitions. Word has length 79 [2020-10-14 10:10:33,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:33,863 INFO L479 AbstractCegarLoop]: Abstraction has 452 states and 594 transitions. [2020-10-14 10:10:33,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:10:33,863 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 594 transitions. [2020-10-14 10:10:33,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-14 10:10:33,865 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:33,865 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] [2020-10-14 10:10:33,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:10:33,865 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:33,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:33,866 INFO L82 PathProgramCache]: Analyzing trace with hash 1757786467, now seen corresponding path program 1 times [2020-10-14 10:10:33,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:33,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762536635] [2020-10-14 10:10:33,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:33,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:33,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:33,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:34,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:35,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 10:10:35,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:10:35,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1480 [2020-10-14 10:10:35,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:35,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 10:10:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:10:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-14 10:10:35,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:35,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:35,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:35,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:35,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:35,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:10:35,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:35,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:35,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:10:35,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:35,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:10:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:35,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:35,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:35,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:35,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:35,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:35,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:35,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:35,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:10:35,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:35,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:10:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:35,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:35,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:35,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:35,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:35,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:35,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:35,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:10:35,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:35,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:10:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:35,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:35,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:35,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:35,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:35,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:35,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:35,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:35,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:10:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:35,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:35,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:35,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:35,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:35,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:35,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:35,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:35,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:35,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:35,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:35,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:10:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:35,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:35,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:10:35,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:35,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:10:35,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:35,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:35,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:10:35,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:35,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:10:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:35,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:35,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:35,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:35,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:35,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:35,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:35,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:35,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:35,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:35,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:10:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:35,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:35,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:35,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:35,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:10:35,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:35,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:35,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:35,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:10:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:35,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:35,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:35,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:35,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:35,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:35,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:35,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:35,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:35,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:35,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:35,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:10:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:35,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:35,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:35,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:10:35,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:35,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:35,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:35,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:10:35,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:35,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:10:35,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762536635] [2020-10-14 10:10:35,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:35,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:10:35,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623240316] [2020-10-14 10:10:35,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:10:35,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:35,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:10:35,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:10:35,566 INFO L87 Difference]: Start difference. First operand 452 states and 594 transitions. Second operand 9 states. [2020-10-14 10:10:37,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:37,888 INFO L93 Difference]: Finished difference Result 1329 states and 2129 transitions. [2020-10-14 10:10:37,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 10:10:37,889 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-10-14 10:10:37,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:37,899 INFO L225 Difference]: With dead ends: 1329 [2020-10-14 10:10:37,900 INFO L226 Difference]: Without dead ends: 1326 [2020-10-14 10:10:37,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2020-10-14 10:10:37,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2020-10-14 10:10:37,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 944. [2020-10-14 10:10:37,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2020-10-14 10:10:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1309 transitions. [2020-10-14 10:10:37,997 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1309 transitions. Word has length 79 [2020-10-14 10:10:37,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:37,998 INFO L479 AbstractCegarLoop]: Abstraction has 944 states and 1309 transitions. [2020-10-14 10:10:37,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:10:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1309 transitions. [2020-10-14 10:10:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-14 10:10:37,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:37,999 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] [2020-10-14 10:10:37,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:10:38,000 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:38,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:38,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1343514492, now seen corresponding path program 1 times [2020-10-14 10:10:38,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:38,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [807781989] [2020-10-14 10:10:38,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:38,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 10:10:38,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:10:38,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 505 [2020-10-14 10:10:38,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:38,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 10:10:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:10:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-14 10:10:38,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:38,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:38,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:38,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:38,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:38,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:38,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:38,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:38,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:38,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:38,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:38,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:10:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:38,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:38,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:38,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:10:38,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:38,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:38,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:38,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:38,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:10:38,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:38,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:10:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:38,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:38,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:38,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:38,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:38,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:38,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:38,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:10:38,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:10:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:38,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:38,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:38,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:38,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:38,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:38,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:38,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:38,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:38,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:38,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:10:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:38,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:38,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:38,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:38,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:38,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:38,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:38,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:38,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:38,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:38,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:10:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:38,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:10:38,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:38,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:10:38,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:38,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:38,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:38,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:10:38,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:38,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:10:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:38,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:38,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:38,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:38,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:38,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:38,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:38,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:38,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:38,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:38,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:10:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:38,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:38,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:38,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:38,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:38,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:38,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:38,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:10:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:38,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:38,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:38,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:38,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:38,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:10:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:38,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:38,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:38,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:10:38,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:38,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:38,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:38,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:10:38,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:38,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:10:38,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [807781989] [2020-10-14 10:10:38,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:38,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:10:38,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944820256] [2020-10-14 10:10:38,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:10:38,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:38,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:10:38,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:10:38,765 INFO L87 Difference]: Start difference. First operand 944 states and 1309 transitions. Second operand 8 states. [2020-10-14 10:10:40,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:40,712 INFO L93 Difference]: Finished difference Result 2612 states and 4092 transitions. [2020-10-14 10:10:40,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 10:10:40,714 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-14 10:10:40,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:40,727 INFO L225 Difference]: With dead ends: 2612 [2020-10-14 10:10:40,727 INFO L226 Difference]: Without dead ends: 1681 [2020-10-14 10:10:40,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:10:40,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2020-10-14 10:10:40,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1333. [2020-10-14 10:10:40,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1333 states. [2020-10-14 10:10:40,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 1333 states and 1841 transitions. [2020-10-14 10:10:40,873 INFO L78 Accepts]: Start accepts. Automaton has 1333 states and 1841 transitions. Word has length 80 [2020-10-14 10:10:40,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:40,874 INFO L479 AbstractCegarLoop]: Abstraction has 1333 states and 1841 transitions. [2020-10-14 10:10:40,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:10:40,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1841 transitions. [2020-10-14 10:10:40,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-14 10:10:40,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:40,875 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] [2020-10-14 10:10:40,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:10:40,876 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:40,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:40,876 INFO L82 PathProgramCache]: Analyzing trace with hash 32592575, now seen corresponding path program 1 times [2020-10-14 10:10:40,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:40,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36604119] [2020-10-14 10:10:40,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:40,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:40,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:41,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:41,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:41,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:41,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-14 10:10:43,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:10:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2824 [2020-10-14 10:10:43,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 10:10:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:10:43,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 10:10:43,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:43,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:43,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:43,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:43,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:43,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:43,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:43,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:10:43,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:10:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:43,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:43,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:10:43,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:10:43,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:43,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:10:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:43,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:43,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:43,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:10:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:43,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:10:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:43,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:43,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:43,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:43,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:43,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:43,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:43,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:10:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:43,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:43,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:43,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:43,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:43,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:43,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:10:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:10:43,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:43,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:10:43,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:43,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:43,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:10:43,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:43,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:10:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:43,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:43,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:10:43,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:43,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:43,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:43,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:43,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:10:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:43,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:43,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:43,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:43,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:43,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:43,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:10:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:43,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:43,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:43,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:43,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:43,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:10:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:10:43,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:43,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:43,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:10:43,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:43,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 10:10:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:43,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:43,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:43,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 10:10:43,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:10:43,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:10:43,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:43,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:43,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:10:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:10:43,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:10:43,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:44,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:10:44,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36604119] [2020-10-14 10:10:44,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:44,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 10:10:44,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205662609] [2020-10-14 10:10:44,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:10:44,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:44,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:10:44,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:10:44,027 INFO L87 Difference]: Start difference. First operand 1333 states and 1841 transitions. Second operand 11 states. [2020-10-14 10:10:47,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:47,111 INFO L93 Difference]: Finished difference Result 3730 states and 5745 transitions. [2020-10-14 10:10:47,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-14 10:10:47,111 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-10-14 10:10:47,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:47,128 INFO L225 Difference]: With dead ends: 3730 [2020-10-14 10:10:47,128 INFO L226 Difference]: Without dead ends: 2422 [2020-10-14 10:10:47,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=302, Invalid=958, Unknown=0, NotChecked=0, Total=1260 [2020-10-14 10:10:47,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2020-10-14 10:10:47,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 1854. [2020-10-14 10:10:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1854 states. [2020-10-14 10:10:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1854 states and 2610 transitions. [2020-10-14 10:10:47,312 INFO L78 Accepts]: Start accepts. Automaton has 1854 states and 2610 transitions. Word has length 88 [2020-10-14 10:10:47,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:47,312 INFO L479 AbstractCegarLoop]: Abstraction has 1854 states and 2610 transitions. [2020-10-14 10:10:47,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:10:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2610 transitions. [2020-10-14 10:10:47,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 10:10:47,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:47,314 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 10:10:47,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:10:47,315 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:47,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:47,315 INFO L82 PathProgramCache]: Analyzing trace with hash -4485040, now seen corresponding path program 1 times [2020-10-14 10:10:47,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:47,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857568701] [2020-10-14 10:10:47,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:47,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:47,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:47,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 10:10:48,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:10:48,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 807 [2020-10-14 10:10:48,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 10:10:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:10:48,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 10:10:48,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:48,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:48,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:48,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:48,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:48,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:48,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:48,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:48,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:10:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:48,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:48,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:48,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:10:48,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:48,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:48,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:10:48,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:48,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:10:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:48,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:48,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:48,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:48,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:10:48,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:10:48,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:10:48,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:48,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:10:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:48,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:48,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:10:48,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:48,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:48,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:48,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:10:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:48,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:48,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:48,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:10:48,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:10:48,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:10:48,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:10:48,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:48,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:10:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:48,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:10:48,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:48,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:10:48,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:10:48,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:48,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:48,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:10:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:48,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:48,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:48,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:48,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:48,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:48,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:48,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:48,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:10:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:48,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:48,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:48,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:48,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:48,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:48,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:48,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:10:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:48,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:48,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:48,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:48,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:10:48,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:48,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:48,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:10:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:48,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:10:48,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:48,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:48,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:10:48,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:48,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:48,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 10:10:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:48,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:48,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:48,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:10:48,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:48,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:48,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 10:10:48,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:48,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:48,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 10:10:48,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857568701] [2020-10-14 10:10:48,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:48,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-14 10:10:48,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821517927] [2020-10-14 10:10:48,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 10:10:48,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:48,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 10:10:48,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-14 10:10:48,492 INFO L87 Difference]: Start difference. First operand 1854 states and 2610 transitions. Second operand 12 states. [2020-10-14 10:10:51,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:51,235 INFO L93 Difference]: Finished difference Result 5762 states and 8856 transitions. [2020-10-14 10:10:51,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-14 10:10:51,236 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-10-14 10:10:51,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:51,263 INFO L225 Difference]: With dead ends: 5762 [2020-10-14 10:10:51,263 INFO L226 Difference]: Without dead ends: 3931 [2020-10-14 10:10:51,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=257, Invalid=799, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 10:10:51,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3931 states. [2020-10-14 10:10:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3931 to 3299. [2020-10-14 10:10:51,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3299 states. [2020-10-14 10:10:51,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 3299 states and 4592 transitions. [2020-10-14 10:10:51,705 INFO L78 Accepts]: Start accepts. Automaton has 3299 states and 4592 transitions. Word has length 89 [2020-10-14 10:10:51,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:51,705 INFO L479 AbstractCegarLoop]: Abstraction has 3299 states and 4592 transitions. [2020-10-14 10:10:51,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 10:10:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3299 states and 4592 transitions. [2020-10-14 10:10:51,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 10:10:51,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:51,707 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 10:10:51,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:10:51,708 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:51,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:51,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1790048462, now seen corresponding path program 1 times [2020-10-14 10:10:51,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:51,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23784308] [2020-10-14 10:10:51,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:51,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:51,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:51,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:52,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 10:10:53,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:10:53,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1614 [2020-10-14 10:10:53,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:10:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 10:10:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:53,482 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-10-14 10:10:53,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:53,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:53,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:53,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:53,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:53,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:53,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:53,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:53,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:10:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:53,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:53,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:53,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:53,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:53,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:53,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:10:53,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:53,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:10:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:53,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:53,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:53,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:53,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:53,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:53,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:10:53,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:53,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:10:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:53,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:53,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:53,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:53,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:53,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 10:10:53,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:10:53,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:53,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:10:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:53,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:53,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:53,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:53,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:10:53,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:53,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:53,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:10:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:53,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:10:53,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:53,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:53,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:10:53,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:53,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:10:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:53,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:53,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:53,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:53,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:53,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:53,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:10:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:53,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:53,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:53,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:53,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:53,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:53,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:10:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:53,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:53,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:53,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:53,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:53,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:10:53,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:53,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:53,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:10:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:53,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:10:53,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:53,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:53,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:53,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:10:53,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:53,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:53,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 10:10:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:53,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:53,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:53,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:10:53,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:53,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:53,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:53,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:53,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:53,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 10:10:53,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:53,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 10:10:53,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23784308] [2020-10-14 10:10:53,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:53,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:10:53,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147472616] [2020-10-14 10:10:53,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:10:53,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:53,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:10:53,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:10:53,658 INFO L87 Difference]: Start difference. First operand 3299 states and 4592 transitions. Second operand 10 states. [2020-10-14 10:10:55,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:55,408 INFO L93 Difference]: Finished difference Result 6802 states and 9714 transitions. [2020-10-14 10:10:55,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 10:10:55,408 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-10-14 10:10:55,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:55,430 INFO L225 Difference]: With dead ends: 6802 [2020-10-14 10:10:55,430 INFO L226 Difference]: Without dead ends: 3524 [2020-10-14 10:10:55,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=306, Unknown=0, NotChecked=0, Total=420 [2020-10-14 10:10:55,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3524 states. [2020-10-14 10:10:55,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3524 to 3117. [2020-10-14 10:10:55,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3117 states. [2020-10-14 10:10:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 4347 transitions. [2020-10-14 10:10:55,764 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 4347 transitions. Word has length 89 [2020-10-14 10:10:55,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:10:55,764 INFO L479 AbstractCegarLoop]: Abstraction has 3117 states and 4347 transitions. [2020-10-14 10:10:55,764 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:10:55,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 4347 transitions. [2020-10-14 10:10:55,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 10:10:55,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:10:55,770 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 10:10:55,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:10:55,770 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:10:55,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:10:55,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1713147664, now seen corresponding path program 1 times [2020-10-14 10:10:55,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:10:55,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155441061] [2020-10-14 10:10:55,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:10:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:55,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:55,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 10:10:56,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:10:56,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 778 [2020-10-14 10:10:56,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 10:10:56,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:10:56,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 10:10:56,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:56,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:10:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:56,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:56,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:56,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:56,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:56,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:56,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:56,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:56,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:10:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:56,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:56,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:56,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:10:56,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:56,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:10:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:56,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:10:56,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:56,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:10:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:10:56,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:10:56,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:56,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:10:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:56,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:56,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:56,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:56,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:10:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:10:56,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:56,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:10:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:56,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:56,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:56,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:56,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:10:56,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:10:56,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:10:56,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:56,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:10:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:56,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:10:56,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:56,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:10:56,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:56,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:10:56,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:56,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:56,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:10:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:56,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:56,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:56,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:56,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:56,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:56,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:56,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:56,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:10:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:56,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:10:56,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:56,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:56,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:56,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:10:56,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:56,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:10:56,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:10:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:56,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:10:56,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:56,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:10:56,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:10:56,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:56,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:10:56,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:10:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:56,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:10:56,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:56,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:10:56,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:10:56,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:56,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:56,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 10:10:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:10:56,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:10:56,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:10:56,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:10:56,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:10:56,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:10:56,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:10:56,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:10:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:10:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-14 10:10:56,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:10:56,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:10:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 10:10:56,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155441061] [2020-10-14 10:10:56,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:10:56,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 10:10:56,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472368631] [2020-10-14 10:10:56,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:10:56,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:10:56,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:10:56,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:10:56,836 INFO L87 Difference]: Start difference. First operand 3117 states and 4347 transitions. Second operand 11 states. [2020-10-14 10:10:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:10:59,776 INFO L93 Difference]: Finished difference Result 9613 states and 13858 transitions. [2020-10-14 10:10:59,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-14 10:10:59,776 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2020-10-14 10:10:59,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:10:59,810 INFO L225 Difference]: With dead ends: 9613 [2020-10-14 10:10:59,811 INFO L226 Difference]: Without dead ends: 6515 [2020-10-14 10:10:59,825 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=208, Invalid=662, Unknown=0, NotChecked=0, Total=870 [2020-10-14 10:10:59,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6515 states. [2020-10-14 10:11:00,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6515 to 5820. [2020-10-14 10:11:00,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5820 states. [2020-10-14 10:11:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5820 states to 5820 states and 8193 transitions. [2020-10-14 10:11:00,322 INFO L78 Accepts]: Start accepts. Automaton has 5820 states and 8193 transitions. Word has length 89 [2020-10-14 10:11:00,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:11:00,322 INFO L479 AbstractCegarLoop]: Abstraction has 5820 states and 8193 transitions. [2020-10-14 10:11:00,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:11:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 5820 states and 8193 transitions. [2020-10-14 10:11:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 10:11:00,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:11:00,324 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 10:11:00,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:11:00,324 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:11:00,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:11:00,324 INFO L82 PathProgramCache]: Analyzing trace with hash -874813360, now seen corresponding path program 1 times [2020-10-14 10:11:00,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:11:00,325 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104793433] [2020-10-14 10:11:00,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:11:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-14 10:11:00,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-14 10:11:00,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-14 10:11:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:11:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 10:11:00,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:00,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:11:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:00,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 10:11:00,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:00,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:00,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:11:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:00,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:11:00,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:11:00,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:00,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:00,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:11:00,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:11:00,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:00,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:11:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:00,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:11:00,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:11:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:00,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:11:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:00,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:11:00,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:00,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:00,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:11:00,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:00,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:11:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:00,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 10:11:00,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:11:00,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:00,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:00,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:00,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:00,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:00,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:00,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:11:00,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:00,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:00,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:00,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:11:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:00,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:11:00,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:00,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:11:00,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:00,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:11:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:00,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:11:00,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:11:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:00,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 10:11:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:00,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:00,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:00,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:11:00,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:00,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 10:11:00,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:00,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:11:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:11:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 10:11:00,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:00,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:11:01,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104793433] [2020-10-14 10:11:01,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:11:01,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-14 10:11:01,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625712183] [2020-10-14 10:11:01,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-14 10:11:01,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:11:01,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-14 10:11:01,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-14 10:11:01,002 INFO L87 Difference]: Start difference. First operand 5820 states and 8193 transitions. Second operand 14 states. [2020-10-14 10:11:08,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:11:08,174 INFO L93 Difference]: Finished difference Result 14282 states and 24301 transitions. [2020-10-14 10:11:08,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-14 10:11:08,175 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 89 [2020-10-14 10:11:08,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:11:08,244 INFO L225 Difference]: With dead ends: 14282 [2020-10-14 10:11:08,245 INFO L226 Difference]: Without dead ends: 14279 [2020-10-14 10:11:08,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1435 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=716, Invalid=3840, Unknown=0, NotChecked=0, Total=4556 [2020-10-14 10:11:08,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14279 states. [2020-10-14 10:11:09,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14279 to 12688. [2020-10-14 10:11:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12688 states. [2020-10-14 10:11:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12688 states to 12688 states and 19513 transitions. [2020-10-14 10:11:09,305 INFO L78 Accepts]: Start accepts. Automaton has 12688 states and 19513 transitions. Word has length 89 [2020-10-14 10:11:09,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:11:09,306 INFO L479 AbstractCegarLoop]: Abstraction has 12688 states and 19513 transitions. [2020-10-14 10:11:09,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-14 10:11:09,306 INFO L276 IsEmpty]: Start isEmpty. Operand 12688 states and 19513 transitions. [2020-10-14 10:11:09,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-14 10:11:09,308 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:11:09,308 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-14 10:11:09,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 10:11:09,308 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:11:09,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:11:09,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1062268553, now seen corresponding path program 2 times [2020-10-14 10:11:09,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:11:09,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [644126133] [2020-10-14 10:11:09,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:11:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 10:11:09,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 10:11:09,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-10-14 10:11:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:11:09,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:09,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:11:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:09,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:11:09,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:09,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:09,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:11:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:09,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:11:09,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:09,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:09,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:09,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:09,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:09,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:09,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:09,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:09,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:09,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:11:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:09,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:09,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:09,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:09,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:09,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:09,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:11:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:09,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:09,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:09,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:09,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:09,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:09,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:11:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:09,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:09,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:09,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:09,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:09,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:09,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:09,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:09,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:09,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:09,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:09,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:09,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:09,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:09,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:11:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:09,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:11:09,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:09,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:09,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:09,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 10:11:09,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:11:09,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:09,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:09,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:09,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:09,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:09,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:09,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 10:11:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:09,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:09,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:09,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:11:09,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:09,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:11:09,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:09,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:11:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:11:09,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:09,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:11:09,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [644126133] [2020-10-14 10:11:09,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:11:09,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:11:09,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219467021] [2020-10-14 10:11:09,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:11:09,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:11:09,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:11:09,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:11:09,639 INFO L87 Difference]: Start difference. First operand 12688 states and 19513 transitions. Second operand 9 states. [2020-10-14 10:11:12,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:11:12,376 INFO L93 Difference]: Finished difference Result 20199 states and 32878 transitions. [2020-10-14 10:11:12,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 10:11:12,377 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2020-10-14 10:11:12,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:11:12,416 INFO L225 Difference]: With dead ends: 20199 [2020-10-14 10:11:12,417 INFO L226 Difference]: Without dead ends: 8016 [2020-10-14 10:11:12,485 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2020-10-14 10:11:12,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8016 states. [2020-10-14 10:11:13,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8016 to 7276. [2020-10-14 10:11:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7276 states. [2020-10-14 10:11:13,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7276 states to 7276 states and 10196 transitions. [2020-10-14 10:11:13,136 INFO L78 Accepts]: Start accepts. Automaton has 7276 states and 10196 transitions. Word has length 92 [2020-10-14 10:11:13,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:11:13,136 INFO L479 AbstractCegarLoop]: Abstraction has 7276 states and 10196 transitions. [2020-10-14 10:11:13,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:11:13,136 INFO L276 IsEmpty]: Start isEmpty. Operand 7276 states and 10196 transitions. [2020-10-14 10:11:13,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-14 10:11:13,138 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:11:13,139 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-14 10:11:13,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 10:11:13,139 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:11:13,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:11:13,139 INFO L82 PathProgramCache]: Analyzing trace with hash -851936585, now seen corresponding path program 1 times [2020-10-14 10:11:13,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:11:13,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024320337] [2020-10-14 10:11:13,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:11:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-14 10:11:13,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-14 10:11:13,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:13,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-14 10:11:13,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 10:11:13,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:11:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:13,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:11:13,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:13,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:13,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:11:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:13,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:13,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:13,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:13,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:13,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:13,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:13,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:13,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:11:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:13,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:13,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:13,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:11:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:13,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:13,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:13,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:11:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:13,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:13,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:13,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:13,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:13,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:13,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:13,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:13,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:13,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:13,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:11:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:13,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:13,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:13,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:11:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:13,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:13,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:13,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 10:11:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:13,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:11:13,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:11:13,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-14 10:11:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:13,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:13,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:13,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:13,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:13,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:13,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:13,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:13,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:13,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:13,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:11:13,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 10:11:13,419 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024320337] [2020-10-14 10:11:13,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:11:13,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:11:13,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965457085] [2020-10-14 10:11:13,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:11:13,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:11:13,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:11:13,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:11:13,421 INFO L87 Difference]: Start difference. First operand 7276 states and 10196 transitions. Second operand 9 states. [2020-10-14 10:11:15,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:11:15,933 INFO L93 Difference]: Finished difference Result 20511 states and 30315 transitions. [2020-10-14 10:11:15,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 10:11:15,934 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2020-10-14 10:11:15,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:11:15,995 INFO L225 Difference]: With dead ends: 20511 [2020-10-14 10:11:15,995 INFO L226 Difference]: Without dead ends: 11228 [2020-10-14 10:11:16,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2020-10-14 10:11:16,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11228 states. [2020-10-14 10:11:16,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11228 to 10720. [2020-10-14 10:11:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10720 states. [2020-10-14 10:11:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10720 states to 10720 states and 14522 transitions. [2020-10-14 10:11:16,940 INFO L78 Accepts]: Start accepts. Automaton has 10720 states and 14522 transitions. Word has length 100 [2020-10-14 10:11:16,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:11:16,941 INFO L479 AbstractCegarLoop]: Abstraction has 10720 states and 14522 transitions. [2020-10-14 10:11:16,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:11:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 10720 states and 14522 transitions. [2020-10-14 10:11:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-14 10:11:16,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:11:16,946 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-14 10:11:16,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 10:11:16,946 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:11:16,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:11:16,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1696677489, now seen corresponding path program 1 times [2020-10-14 10:11:16,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:11:16,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240363998] [2020-10-14 10:11:16,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:11:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:16,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:16,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:16,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-14 10:11:17,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:11:17,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 410 [2020-10-14 10:11:17,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-14 10:11:17,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 10:11:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:11:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:17,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:11:17,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:17,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:11:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:17,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:17,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:17,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:17,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:17,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:11:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:17,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:17,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:17,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:11:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:17,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:17,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:17,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:17,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:11:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:17,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:17,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:17,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:17,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:17,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:17,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:17,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:17,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:17,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:17,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:17,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:11:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:17,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:17,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:17,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:11:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:17,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:17,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:17,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:17,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 10:11:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:11:17,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:17,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:17,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 10:11:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:17,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:17,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:11:17,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 10:11:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:17,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:17,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:17,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 10:11:17,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:17,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:11:17,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:17,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:17,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:17,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:17,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:11:17,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-14 10:11:17,582 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240363998] [2020-10-14 10:11:17,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:11:17,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:11:17,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064576163] [2020-10-14 10:11:17,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:11:17,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:11:17,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:11:17,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:11:17,584 INFO L87 Difference]: Start difference. First operand 10720 states and 14522 transitions. Second operand 9 states. [2020-10-14 10:11:20,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:11:20,392 INFO L93 Difference]: Finished difference Result 27597 states and 39889 transitions. [2020-10-14 10:11:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 10:11:20,392 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2020-10-14 10:11:20,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:11:20,473 INFO L225 Difference]: With dead ends: 27597 [2020-10-14 10:11:20,474 INFO L226 Difference]: Without dead ends: 14880 [2020-10-14 10:11:20,525 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2020-10-14 10:11:20,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14880 states. [2020-10-14 10:11:21,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14880 to 14256. [2020-10-14 10:11:21,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14256 states. [2020-10-14 10:11:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14256 states to 14256 states and 19252 transitions. [2020-10-14 10:11:21,712 INFO L78 Accepts]: Start accepts. Automaton has 14256 states and 19252 transitions. Word has length 109 [2020-10-14 10:11:21,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:11:21,713 INFO L479 AbstractCegarLoop]: Abstraction has 14256 states and 19252 transitions. [2020-10-14 10:11:21,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:11:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 14256 states and 19252 transitions. [2020-10-14 10:11:21,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 10:11:21,715 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:11:21,715 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-14 10:11:21,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 10:11:21,716 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:11:21,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:11:21,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1692518472, now seen corresponding path program 1 times [2020-10-14 10:11:21,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:11:21,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745758281] [2020-10-14 10:11:21,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:11:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-14 10:11:21,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:11:21,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 10:11:21,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:21,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-14 10:11:21,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 10:11:21,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:11:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:21,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:21,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:21,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:11:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:21,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:21,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:21,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:21,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:21,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:11:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:21,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:21,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:21,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:21,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:11:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:21,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:21,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:21,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:11:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:21,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:21,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:21,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:21,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:21,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:21,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:21,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:21,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:21,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:11:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:21,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:21,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:21,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:21,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 10:11:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:21,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:21,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:21,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-14 10:11:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:11:21,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:11:21,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:21,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:11:21,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 10:11:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:21,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:11:21,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:21,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:21,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:11:21,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:21,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-14 10:11:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:21,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:21,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:21,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 10:11:21,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:21,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:21,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:21,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:21,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:21,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 10:11:21,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:21,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-14 10:11:22,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745758281] [2020-10-14 10:11:22,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:11:22,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 10:11:22,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648782424] [2020-10-14 10:11:22,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:11:22,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:11:22,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:11:22,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:11:22,007 INFO L87 Difference]: Start difference. First operand 14256 states and 19252 transitions. Second operand 9 states. [2020-10-14 10:11:24,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:11:24,436 INFO L93 Difference]: Finished difference Result 26570 states and 36016 transitions. [2020-10-14 10:11:24,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-14 10:11:24,436 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-10-14 10:11:24,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:11:24,483 INFO L225 Difference]: With dead ends: 26570 [2020-10-14 10:11:24,484 INFO L226 Difference]: Without dead ends: 12703 [2020-10-14 10:11:24,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=337, Unknown=0, NotChecked=0, Total=462 [2020-10-14 10:11:24,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12703 states. [2020-10-14 10:11:25,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12703 to 12272. [2020-10-14 10:11:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12272 states. [2020-10-14 10:11:25,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12272 states to 12272 states and 14710 transitions. [2020-10-14 10:11:25,235 INFO L78 Accepts]: Start accepts. Automaton has 12272 states and 14710 transitions. Word has length 110 [2020-10-14 10:11:25,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:11:25,235 INFO L479 AbstractCegarLoop]: Abstraction has 12272 states and 14710 transitions. [2020-10-14 10:11:25,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:11:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand 12272 states and 14710 transitions. [2020-10-14 10:11:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-14 10:11:25,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:11:25,242 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:11:25,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 10:11:25,242 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:11:25,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:11:25,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1647622924, now seen corresponding path program 1 times [2020-10-14 10:11:25,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:11:25,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1001187254] [2020-10-14 10:11:25,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:11:25,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:25,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:25,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:25,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:25,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:26,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-14 10:11:30,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:11:30,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 10:11:30,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:11:30,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 10:11:30,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 10:11:30,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:11:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:30,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:11:30,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:11:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:30,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:30,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:11:30,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:30,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:30,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:30,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 10:11:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:30,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:30,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 10:11:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:30,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:30,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:11:30,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 10:11:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:30,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:11:30,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-14 10:11:30,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:30,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:30,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:30,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:30,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:11:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:30,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:30,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:11:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:11:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:11:30,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 10:11:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 10:11:30,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:11:30,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 10:11:30,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 10:11:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 10:11:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:30,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:30,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:11:30,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:30,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:11:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:30,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:30,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 10:11:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:30,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:30,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:11:30,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 10:11:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:30,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:30,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:11:30,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 10:11:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:30,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:30,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:11:30,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:30,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:30,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:30,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:30,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-14 10:11:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:30,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:30,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:11:30,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 10:11:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:11:30,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:30,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:11:30,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:30,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:30,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:30,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 10:11:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:30,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:30,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:11:30,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 10:11:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:30,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:30,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:30,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 10:11:30,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:30,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:30,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:30,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:30,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:30,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 10:11:30,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:30,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:30,603 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-10-14 10:11:30,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1001187254] [2020-10-14 10:11:30,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:11:30,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 10:11:30,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045417398] [2020-10-14 10:11:30,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:11:30,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:11:30,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:11:30,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:11:30,606 INFO L87 Difference]: Start difference. First operand 12272 states and 14710 transitions. Second operand 11 states. [2020-10-14 10:11:33,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:11:33,361 INFO L93 Difference]: Finished difference Result 24274 states and 30126 transitions. [2020-10-14 10:11:33,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-14 10:11:33,362 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 185 [2020-10-14 10:11:33,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:11:33,407 INFO L225 Difference]: With dead ends: 24274 [2020-10-14 10:11:33,407 INFO L226 Difference]: Without dead ends: 12031 [2020-10-14 10:11:33,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2020-10-14 10:11:33,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12031 states. [2020-10-14 10:11:34,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12031 to 9421. [2020-10-14 10:11:34,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9421 states. [2020-10-14 10:11:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9421 states to 9421 states and 11154 transitions. [2020-10-14 10:11:34,223 INFO L78 Accepts]: Start accepts. Automaton has 9421 states and 11154 transitions. Word has length 185 [2020-10-14 10:11:34,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:11:34,224 INFO L479 AbstractCegarLoop]: Abstraction has 9421 states and 11154 transitions. [2020-10-14 10:11:34,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:11:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 9421 states and 11154 transitions. [2020-10-14 10:11:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-10-14 10:11:34,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:11:34,232 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:11:34,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 10:11:34,232 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:11:34,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:11:34,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1302794762, now seen corresponding path program 1 times [2020-10-14 10:11:34,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:11:34,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100134587] [2020-10-14 10:11:34,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:11:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:34,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:34,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:34,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:34,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:34,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-14 10:11:39,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:11:39,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 10:11:39,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:11:39,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 110 [2020-10-14 10:11:39,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-14 10:11:39,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:11:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:39,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:39,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:11:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:39,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:39,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:11:39,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:39,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:39,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:39,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 10:11:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:39,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:39,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 10:11:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:39,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:39,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 10:11:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:39,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:39,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:39,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:39,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:39,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:39,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:11:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:39,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:39,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 10:11:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 10:11:39,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:11:39,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 10:11:39,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:39,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 10:11:39,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 10:11:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:39,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:39,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:11:39,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:11:39,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:39,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:11:39,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:11:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:39,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:39,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:11:39,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 10:11:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:39,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:39,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:11:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:11:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:11:39,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 10:11:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:39,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:39,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:11:39,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 10:11:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:39,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:11:39,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:11:39,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:39,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:39,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:39,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:39,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-14 10:11:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:39,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:39,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:11:39,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 10:11:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:11:39,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:39,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:11:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:39,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:39,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:39,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 10:11:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:39,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:39,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:11:39,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-14 10:11:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:39,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:39,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:39,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 10:11:39,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:39,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:39,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:39,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:39,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:39,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 10:11:39,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:39,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-14 10:11:39,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100134587] [2020-10-14 10:11:39,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:11:39,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 10:11:39,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376821625] [2020-10-14 10:11:39,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:11:39,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:11:39,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:11:39,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:11:39,619 INFO L87 Difference]: Start difference. First operand 9421 states and 11154 transitions. Second operand 11 states. [2020-10-14 10:11:42,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:11:42,103 INFO L93 Difference]: Finished difference Result 19796 states and 24129 transitions. [2020-10-14 10:11:42,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-14 10:11:42,107 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 185 [2020-10-14 10:11:42,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:11:42,136 INFO L225 Difference]: With dead ends: 19796 [2020-10-14 10:11:42,136 INFO L226 Difference]: Without dead ends: 10593 [2020-10-14 10:11:42,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=171, Invalid=585, Unknown=0, NotChecked=0, Total=756 [2020-10-14 10:11:42,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10593 states. [2020-10-14 10:11:42,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10593 to 9495. [2020-10-14 10:11:42,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9495 states. [2020-10-14 10:11:42,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9495 states to 9495 states and 11189 transitions. [2020-10-14 10:11:42,850 INFO L78 Accepts]: Start accepts. Automaton has 9495 states and 11189 transitions. Word has length 185 [2020-10-14 10:11:42,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:11:42,850 INFO L479 AbstractCegarLoop]: Abstraction has 9495 states and 11189 transitions. [2020-10-14 10:11:42,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:11:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 9495 states and 11189 transitions. [2020-10-14 10:11:42,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-14 10:11:42,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:11:42,858 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:11:42,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 10:11:42,859 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:11:42,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:11:42,859 INFO L82 PathProgramCache]: Analyzing trace with hash -284917533, now seen corresponding path program 1 times [2020-10-14 10:11:42,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:11:42,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090091371] [2020-10-14 10:11:42,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:11:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:42,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:42,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:42,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:42,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:43,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:43,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:43,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:43,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:47,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:47,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-14 10:11:47,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 10:11:47,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-14 10:11:47,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:47,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:47,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:11:47,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-14 10:11:47,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 10:11:47,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:47,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:11:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:47,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:47,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:47,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:47,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:47,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:47,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:47,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:47,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:47,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:47,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:47,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:11:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:47,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:47,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:47,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:47,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:47,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:47,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:47,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:47,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:47,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:47,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:47,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:47,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:47,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:11:47,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:47,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:11:47,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:47,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:47,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:47,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:47,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:11:47,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:47,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:47,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:47,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:47,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:47,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:47,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:47,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:47,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:47,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:47,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:47,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:11:47,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 10:11:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:48,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:48,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:11:48,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 10:11:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:48,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:48,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:11:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:11:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:11:48,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 10:11:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:48,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:48,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:11:48,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:48,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:48,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:48,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:48,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:48,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:48,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-14 10:11:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:48,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:48,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:11:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 10:11:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 10:11:48,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:11:48,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 10:11:48,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-14 10:11:48,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 10:11:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:48,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:48,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:48,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:11:48,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:48,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:48,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:11:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:48,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:48,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-14 10:11:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:11:48,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:48,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 10:11:48,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:48,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:48,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:11:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:48,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:48,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:11:48,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-14 10:11:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:48,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:48,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:11:48,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:48,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:48,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:48,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:48,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:48,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 10:11:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:48,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:48,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:11:48,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:11:48,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 10:11:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:11:48,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:48,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:11:48,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:48,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:48,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:48,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-14 10:11:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:48,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:48,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:11:48,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-14 10:11:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:48,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:48,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:48,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 10:11:48,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:48,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:48,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:48,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:48,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-14 10:11:48,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:48,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-14 10:11:48,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090091371] [2020-10-14 10:11:48,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:11:48,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 10:11:48,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953280448] [2020-10-14 10:11:48,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:11:48,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:11:48,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:11:48,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:11:48,221 INFO L87 Difference]: Start difference. First operand 9495 states and 11189 transitions. Second operand 11 states. [2020-10-14 10:11:50,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:11:50,744 INFO L93 Difference]: Finished difference Result 13553 states and 16172 transitions. [2020-10-14 10:11:50,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-14 10:11:50,745 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 191 [2020-10-14 10:11:50,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:11:50,766 INFO L225 Difference]: With dead ends: 13553 [2020-10-14 10:11:50,766 INFO L226 Difference]: Without dead ends: 4370 [2020-10-14 10:11:50,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=198, Invalid=732, Unknown=0, NotChecked=0, Total=930 [2020-10-14 10:11:50,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4370 states. [2020-10-14 10:11:51,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4370 to 3816. [2020-10-14 10:11:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3816 states. [2020-10-14 10:11:51,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3816 states to 3816 states and 4347 transitions. [2020-10-14 10:11:51,349 INFO L78 Accepts]: Start accepts. Automaton has 3816 states and 4347 transitions. Word has length 191 [2020-10-14 10:11:51,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:11:51,350 INFO L479 AbstractCegarLoop]: Abstraction has 3816 states and 4347 transitions. [2020-10-14 10:11:51,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 10:11:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 3816 states and 4347 transitions. [2020-10-14 10:11:51,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-14 10:11:51,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:11:51,370 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:11:51,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 10:11:51,371 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:11:51,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:11:51,371 INFO L82 PathProgramCache]: Analyzing trace with hash -651981575, now seen corresponding path program 1 times [2020-10-14 10:11:51,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:11:51,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858265356] [2020-10-14 10:11:51,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:11:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:51,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:51,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:51,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:51,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:51,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-14 10:11:56,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:11:56,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 10:11:56,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 104 [2020-10-14 10:11:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 10:11:56,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:11:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:56,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:56,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:11:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:56,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:56,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:11:56,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:56,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:11:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:56,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:56,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:11:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:56,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:11:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:56,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:56,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:56,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:56,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:11:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:56,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:11:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 10:11:56,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:11:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 10:11:56,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-14 10:11:56,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 10:11:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:56,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:11:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:11:56,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:11:56,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:11:56,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:11:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:56,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:56,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:11:56,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 10:11:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:11:56,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:11:56,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:56,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 10:11:56,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:56,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:56,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 10:11:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:56,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:56,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:11:56,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 10:11:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:56,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:11:56,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:11:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 10:11:56,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:56,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:56,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:56,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:11:56,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:56,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:56,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:11:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:11:56,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-14 10:11:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:56,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:11:56,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 10:11:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 10:11:56,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:56,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 10:11:56,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:56,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 10:11:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 10:11:56,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:11:56,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 10:11:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 10:11:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:56,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 10:11:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:11:56,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:56,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 10:11:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:56,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-14 10:11:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:11:56,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:56,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 10:11:56,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:56,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-14 10:11:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:56,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:11:56,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-14 10:11:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:11:56,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:11:56,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:11:56,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:56,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:11:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:11:56,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-14 10:11:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:11:56,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:11:56,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-14 10:11:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:11:56,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:11:56,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:11:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:11:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:56,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:11:56,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-10-14 10:11:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:56,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:56,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:11:56,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:11:56,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:11:56,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:11:56,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:11:56,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:11:56,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:11:56,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:11:56,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:11:56,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:11:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 57 proven. 22 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-14 10:11:56,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858265356] [2020-10-14 10:11:56,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:11:56,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 10:11:56,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927129311] [2020-10-14 10:11:56,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 10:11:56,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:11:56,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 10:11:56,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-14 10:11:56,866 INFO L87 Difference]: Start difference. First operand 3816 states and 4347 transitions. Second operand 12 states. [2020-10-14 10:11:59,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:11:59,003 INFO L93 Difference]: Finished difference Result 6834 states and 7944 transitions. [2020-10-14 10:11:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 10:11:59,005 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 278 [2020-10-14 10:11:59,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:11:59,013 INFO L225 Difference]: With dead ends: 6834 [2020-10-14 10:11:59,013 INFO L226 Difference]: Without dead ends: 3630 [2020-10-14 10:11:59,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=194, Invalid=736, Unknown=0, NotChecked=0, Total=930 [2020-10-14 10:11:59,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3630 states. [2020-10-14 10:11:59,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3630 to 3571. [2020-10-14 10:11:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3571 states. [2020-10-14 10:11:59,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3571 states to 3571 states and 4026 transitions. [2020-10-14 10:11:59,219 INFO L78 Accepts]: Start accepts. Automaton has 3571 states and 4026 transitions. Word has length 278 [2020-10-14 10:11:59,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:11:59,219 INFO L479 AbstractCegarLoop]: Abstraction has 3571 states and 4026 transitions. [2020-10-14 10:11:59,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-14 10:11:59,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3571 states and 4026 transitions. [2020-10-14 10:11:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-10-14 10:11:59,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:11:59,227 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:11:59,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 10:11:59,227 INFO L427 AbstractCegarLoop]: === Iteration 20 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:11:59,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:11:59,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1996865571, now seen corresponding path program 1 times [2020-10-14 10:11:59,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:11:59,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36351578] [2020-10-14 10:11:59,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:11:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:11:59,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:59,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:11:59,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-10-14 10:12:00,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:12:00,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1394 [2020-10-14 10:12:00,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:12:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 10:12:00,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 10:12:00,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:12:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:12:00,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:12:00,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:12:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:12:00,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:00,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:12:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:12:00,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:00,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:12:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:00,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:00,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:12:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:00,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:12:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:12:00,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:00,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:00,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:12:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:00,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:12:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:00,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:12:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 10:12:00,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:12:00,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 10:12:00,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 10:12:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:12:00,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:12:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:12:00,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:12:00,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:12:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:00,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 10:12:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:12:00,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:12:00,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:12:00,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 10:12:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:00,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:00,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:12:00,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:12:00,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 10:12:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 10:12:00,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:12:00,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:12:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-14 10:12:00,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 10:12:00,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 10:12:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:00,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:12:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:00,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:00,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:12:00,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:12:00,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:12:00,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 10:12:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 10:12:00,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:12:00,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 10:12:00,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:00,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-14 10:12:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 10:12:00,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:12:00,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 10:12:00,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 10:12:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:00,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 10:12:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:12:00,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:12:00,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 10:12:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:00,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-14 10:12:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:12:00,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:00,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 10:12:00,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:12:00,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:00,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 10:12:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:00,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:00,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:00,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:00,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:00,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:00,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:00,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:12:00,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:00,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:00,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 10:12:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:01,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:01,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:01,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:12:01,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:12:01,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:01,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:12:01,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:01,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:01,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:01,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:01,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:01,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:01,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:01,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:01,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:01,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:01,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:01,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:01,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:12:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:01,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:01,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:01,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:01,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:01,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:01,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:01,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:01,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:01,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:01,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-14 10:12:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:01,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:01,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:01,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:01,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:01,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:01,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:12:01,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:01,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:01,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-14 10:12:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:01,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:01,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:01,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:12:01,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:01,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:12:01,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:01,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:12:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:01,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:01,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:01,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:01,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:01,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:12:01,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:01,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:01,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:01,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:01,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:01,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:01,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-14 10:12:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:01,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:01,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:01,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:12:01,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:01,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:01,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:01,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:01,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:01,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:12:01,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:01,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:01,066 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 48 proven. 5 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-10-14 10:12:01,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36351578] [2020-10-14 10:12:01,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:12:01,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 10:12:01,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480333846] [2020-10-14 10:12:01,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 10:12:01,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:12:01,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 10:12:01,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-14 10:12:01,068 INFO L87 Difference]: Start difference. First operand 3571 states and 4026 transitions. Second operand 13 states. [2020-10-14 10:12:03,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:12:03,916 INFO L93 Difference]: Finished difference Result 6786 states and 7684 transitions. [2020-10-14 10:12:03,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-14 10:12:03,917 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 279 [2020-10-14 10:12:03,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:12:03,928 INFO L225 Difference]: With dead ends: 6786 [2020-10-14 10:12:03,929 INFO L226 Difference]: Without dead ends: 3835 [2020-10-14 10:12:03,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=319, Invalid=1241, Unknown=0, NotChecked=0, Total=1560 [2020-10-14 10:12:03,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3835 states. [2020-10-14 10:12:04,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3835 to 3549. [2020-10-14 10:12:04,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3549 states. [2020-10-14 10:12:04,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 3549 states and 3964 transitions. [2020-10-14 10:12:04,156 INFO L78 Accepts]: Start accepts. Automaton has 3549 states and 3964 transitions. Word has length 279 [2020-10-14 10:12:04,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:12:04,156 INFO L479 AbstractCegarLoop]: Abstraction has 3549 states and 3964 transitions. [2020-10-14 10:12:04,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 10:12:04,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3549 states and 3964 transitions. [2020-10-14 10:12:04,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-10-14 10:12:04,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:12:04,164 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 10:12:04,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 10:12:04,164 INFO L427 AbstractCegarLoop]: === Iteration 21 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:12:04,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:12:04,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1166211937, now seen corresponding path program 2 times [2020-10-14 10:12:04,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:12:04,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [356565687] [2020-10-14 10:12:04,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:12:04,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:04,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:04,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:04,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:07,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:07,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 363 [2020-10-14 10:12:07,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:12:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3801 [2020-10-14 10:12:07,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:07,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:12:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 131 [2020-10-14 10:12:07,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 10:12:07,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:12:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:12:08,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:12:08,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:12:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:12:08,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:08,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:12:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:12:08,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:08,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 10:12:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:08,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:08,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-14 10:12:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:08,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:12:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:12:08,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:08,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:08,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:12:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 10:12:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:08,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:12:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-14 10:12:08,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:12:08,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 10:12:08,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 10:12:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:12:08,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:12:08,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 10:12:08,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:08,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 10:12:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:08,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-14 10:12:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:12:08,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:12:08,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:12:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:12:08,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:12:08,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:08,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:12:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:12:08,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 10:12:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:08,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:08,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:12:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:12:08,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:12:08,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-14 10:12:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-14 10:12:08,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:12:08,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-14 10:12:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-14 10:12:08,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-14 10:12:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:08,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:12:08,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:08,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:12:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 10:12:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-14 10:12:08,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:08,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-14 10:12:08,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:08,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-14 10:12:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-14 10:12:08,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:12:08,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-14 10:12:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 10:12:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:08,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-14 10:12:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:12:08,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:12:08,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 10:12:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:08,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-14 10:12:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 10:12:08,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:08,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-14 10:12:08,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:12:08,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-14 10:12:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:08,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:12:08,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-14 10:12:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 10:12:08,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:12:08,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 10:12:08,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:08,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:12:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:12:08,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-14 10:12:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 10:12:08,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 10:12:08,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-14 10:12:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 10:12:08,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:12:08,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 10:12:08,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:12:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:12:08,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:12:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-14 10:12:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:12:08,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:12:08,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:12:08,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:12:08,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:12:08,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:12:08,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:12:08,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:12:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:12:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:12:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:12:08,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:12:08,504 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 46 proven. 9 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-10-14 10:12:08,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [356565687] [2020-10-14 10:12:08,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:12:08,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-14 10:12:08,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86499765] [2020-10-14 10:12:08,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-14 10:12:08,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:12:08,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-14 10:12:08,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-14 10:12:08,506 INFO L87 Difference]: Start difference. First operand 3549 states and 3964 transitions. Second operand 13 states. [2020-10-14 10:12:10,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:12:10,885 INFO L93 Difference]: Finished difference Result 4750 states and 5278 transitions. [2020-10-14 10:12:10,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-14 10:12:10,886 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 279 [2020-10-14 10:12:10,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:12:10,888 INFO L225 Difference]: With dead ends: 4750 [2020-10-14 10:12:10,888 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 10:12:10,896 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=306, Invalid=1100, Unknown=0, NotChecked=0, Total=1406 [2020-10-14 10:12:10,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 10:12:10,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 10:12:10,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 10:12:10,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 10:12:10,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 279 [2020-10-14 10:12:10,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:12:10,897 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 10:12:10,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-14 10:12:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 10:12:10,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 10:12:10,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 10:12:10,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 10:12:13,524 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 515 DAG size of output: 430 [2020-10-14 10:12:23,358 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 605 DAG size of output: 516 [2020-10-14 10:12:27,868 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 605 DAG size of output: 516 [2020-10-14 10:12:29,294 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 608 DAG size of output: 519 [2020-10-14 10:12:30,430 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2020-10-14 10:12:33,593 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 98 [2020-10-14 10:12:33,728 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 98 [2020-10-14 10:12:36,977 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 98 [2020-10-14 10:12:39,729 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 555 DAG size of output: 470 [2020-10-14 10:12:47,207 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 515 DAG size of output: 430 [2020-10-14 10:12:50,458 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 515 DAG size of output: 430 [2020-10-14 10:12:50,696 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 113 [2020-10-14 10:12:50,823 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 97 [2020-10-14 10:12:51,089 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 131 [2020-10-14 10:12:51,268 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 118 [2020-10-14 10:12:51,648 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 119 [2020-10-14 10:12:52,962 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 119 [2020-10-14 10:12:57,997 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 73 [2020-10-14 10:12:58,105 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 66 [2020-10-14 10:13:02,150 WARN L193 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 442 DAG size of output: 114 [2020-10-14 10:13:02,298 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 78 [2020-10-14 10:13:03,286 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 89 [2020-10-14 10:13:08,792 WARN L193 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 296 DAG size of output: 137 [2020-10-14 10:13:11,669 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 258 DAG size of output: 91 [2020-10-14 10:13:11,844 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 1 [2020-10-14 10:13:12,130 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 81 [2020-10-14 10:13:13,701 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 182 DAG size of output: 103 [2020-10-14 10:13:15,722 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 327 DAG size of output: 86 [2020-10-14 10:13:15,962 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 56 [2020-10-14 10:13:21,623 WARN L193 SmtUtils]: Spent 5.66 s on a formula simplification. DAG size of input: 528 DAG size of output: 134 [2020-10-14 10:13:21,797 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 1 [2020-10-14 10:13:21,987 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 1 [2020-10-14 10:13:24,370 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 234 DAG size of output: 83 [2020-10-14 10:13:24,658 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 52 [2020-10-14 10:13:27,070 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 240 DAG size of output: 82 [2020-10-14 10:13:27,240 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-10-14 10:13:28,437 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 199 DAG size of output: 88 [2020-10-14 10:13:30,124 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 229 DAG size of output: 89 [2020-10-14 10:13:30,422 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 82 [2020-10-14 10:13:31,418 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 78