/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:49:18,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:49:18,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:49:18,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:49:18,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:49:18,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:49:19,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:49:19,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:49:19,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:49:19,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:49:19,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:49:19,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:49:19,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:49:19,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:49:19,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:49:19,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:49:19,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:49:19,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:49:19,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:49:19,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:49:19,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:49:19,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:49:19,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:49:19,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:49:19,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:49:19,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:49:19,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:49:19,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:49:19,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:49:19,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:49:19,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:49:19,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:49:19,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:49:19,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:49:19,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:49:19,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:49:19,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:49:19,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:49:19,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:49:19,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:49:19,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:49:19,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 14:49:19,111 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:49:19,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:49:19,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:49:19,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:49:19,115 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:49:19,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:49:19,115 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:49:19,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:49:19,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:49:19,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:49:19,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:49:19,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:49:19,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:49:19,118 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:49:19,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:49:19,118 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:49:19,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:49:19,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:49:19,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:49:19,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:49:19,119 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:49:19,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:49:19,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:49:19,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:49:19,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:49:19,120 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:49:19,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:49:19,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:49:19,121 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:49:19,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-09-25 14:49:19,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:49:19,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:49:19,693 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:49:19,695 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:49:19,695 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:49:19,696 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2020-09-25 14:49:19,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cafc703ad/33a11764d0a747da9ac357bc39444b8d/FLAGf5febe436 [2020-09-25 14:49:20,375 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:49:20,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2020-09-25 14:49:20,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cafc703ad/33a11764d0a747da9ac357bc39444b8d/FLAGf5febe436 [2020-09-25 14:49:20,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cafc703ad/33a11764d0a747da9ac357bc39444b8d [2020-09-25 14:49:20,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:49:20,693 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:49:20,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:49:20,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:49:20,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:49:20,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:49:20" (1/1) ... [2020-09-25 14:49:20,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4314c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:20, skipping insertion in model container [2020-09-25 14:49:20,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:49:20" (1/1) ... [2020-09-25 14:49:20,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:49:20,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:49:21,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:49:21,089 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:49:21,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:49:21,282 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:49:21,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21 WrapperNode [2020-09-25 14:49:21,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:49:21,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:49:21,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:49:21,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:49:21,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... [2020-09-25 14:49:21,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:49:21,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:49:21,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:49:21,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:49:21,355 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:49:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:49:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:49:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 14:49:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 14:49:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 14:49:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-09-25 14:49:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 14:49:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 14:49:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-09-25 14:49:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 14:49:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 14:49:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 14:49:21,436 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 14:49:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 14:49:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 14:49:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 14:49:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 14:49:21,437 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 14:49:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 14:49:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 14:49:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 14:49:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 14:49:21,439 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:49:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:49:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 14:49:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 14:49:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 14:49:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-09-25 14:49:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 14:49:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:49:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 14:49:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 14:49:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-09-25 14:49:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 14:49:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 14:49:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 14:49:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 14:49:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 14:49:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 14:49:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 14:49:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 14:49:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 14:49:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 14:49:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 14:49:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 14:49:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:49:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:49:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:49:22,148 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:49:22,148 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:49:22,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:49:22 BoogieIcfgContainer [2020-09-25 14:49:22,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:49:22,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:49:22,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:49:22,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:49:22,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:49:20" (1/3) ... [2020-09-25 14:49:22,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c21439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:49:22, skipping insertion in model container [2020-09-25 14:49:22,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:49:21" (2/3) ... [2020-09-25 14:49:22,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c21439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:49:22, skipping insertion in model container [2020-09-25 14:49:22,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:49:22" (3/3) ... [2020-09-25 14:49:22,168 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-2.c [2020-09-25 14:49:22,182 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:49:22,194 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:49:22,218 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:49:22,255 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:49:22,255 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:49:22,256 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:49:22,256 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:49:22,256 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:49:22,256 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:49:22,256 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:49:22,257 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:49:22,288 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-09-25 14:49:22,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-25 14:49:22,306 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:22,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:49:22,308 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:22,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:22,315 INFO L82 PathProgramCache]: Analyzing trace with hash 356343399, now seen corresponding path program 1 times [2020-09-25 14:49:22,326 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:22,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [432207683] [2020-09-25 14:49:22,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:22,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:22,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:24,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-25 14:49:25,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:49:25,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2378 [2020-09-25 14:49:25,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:49:25,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:49:25,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 14:49:25,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 14:49:25,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:25,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:49:25,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:25,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:49:25,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:25,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:25,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:25,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 14:49:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:25,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:49:25,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:25,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:25,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:25,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:25,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:25,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:25,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:49:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:25,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:49:25,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:25,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:25,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:25,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:25,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:25,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 14:49:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:25,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:25,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:25,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:49:25,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:25,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:25,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:25,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:25,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 14:49:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:25,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:25,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:25,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:25,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:25,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:25,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:25,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:25,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 14:49:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:25,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:25,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:25,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:25,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:25,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 14:49:25,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:25,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:25,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:25,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:25,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:49:25,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:25,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 14:49:25,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:25,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:25,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:25,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:25,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:25,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:25,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:25,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:25,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:25,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:25,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:25,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:25,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:25,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:25,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:25,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:25,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 14:49:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:25,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:25,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:49:25,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:25,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:25,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 14:49:25,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:25,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 14:49:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:25,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:25,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:25,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:25,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:25,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:49:25,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:25,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:25,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:25,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:25,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:25,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 14:49:25,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [432207683] [2020-09-25 14:49:25,474 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:49:25,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:49:25,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186087360] [2020-09-25 14:49:25,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:49:25,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:49:25,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:49:25,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:49:25,506 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 7 states. [2020-09-25 14:49:28,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:49:28,790 INFO L93 Difference]: Finished difference Result 1032 states and 1419 transitions. [2020-09-25 14:49:28,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 14:49:28,793 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2020-09-25 14:49:28,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:49:28,825 INFO L225 Difference]: With dead ends: 1032 [2020-09-25 14:49:28,826 INFO L226 Difference]: Without dead ends: 774 [2020-09-25 14:49:28,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 14:49:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-09-25 14:49:28,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 562. [2020-09-25 14:49:28,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-09-25 14:49:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 711 transitions. [2020-09-25 14:49:29,003 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 711 transitions. Word has length 134 [2020-09-25 14:49:29,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:49:29,005 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 711 transitions. [2020-09-25 14:49:29,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:49:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 711 transitions. [2020-09-25 14:49:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 14:49:29,015 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:29,016 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:49:29,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:49:29,016 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:29,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:29,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1876371016, now seen corresponding path program 1 times [2020-09-25 14:49:29,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:29,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1165194334] [2020-09-25 14:49:29,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:29,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:29,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:29,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:33,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-09-25 14:49:34,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:49:34,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 14:49:34,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:49:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-25 14:49:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-09-25 14:49:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:49:34,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:49:34,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:34,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 14:49:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:49:34,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:34,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:34,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:34,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:49:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:49:34,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:34,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 14:49:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:34,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:49:34,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:49:34,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 14:49:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:34,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:49:34,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 14:49:34,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 14:49:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:34,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:49:34,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:49:34,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:49:34,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 14:49:34,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:34,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:49:34,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:34,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:34,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:34,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:34,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:34,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:34,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:34,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:34,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 14:49:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:34,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:34,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 14:49:34,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 14:49:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:34,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 14:49:34,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:34,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:34,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:49:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 14:49:34,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-25 14:49:34,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:49:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:49:34,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 14:49:34,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 14:49:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:49:34,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 14:49:34,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:49:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:49:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 14:49:34,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:34,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:49:34,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:49:34,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:49:34,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 14:49:34,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:34,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:49:34,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:34,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:34,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:34,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:49:34,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:34,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:34,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:49:34,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:34,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:34,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:34,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:34,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 14:49:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:34,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:34,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:34,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:34,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:34,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:34,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:34,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:34,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:34,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 14:49:34,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:34,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-09-25 14:49:35,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1165194334] [2020-09-25 14:49:35,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:49:35,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 14:49:35,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920234145] [2020-09-25 14:49:35,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 14:49:35,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:49:35,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 14:49:35,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:49:35,046 INFO L87 Difference]: Start difference. First operand 562 states and 711 transitions. Second operand 11 states. [2020-09-25 14:49:39,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:49:39,234 INFO L93 Difference]: Finished difference Result 2310 states and 3253 transitions. [2020-09-25 14:49:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 14:49:39,235 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 213 [2020-09-25 14:49:39,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:49:39,261 INFO L225 Difference]: With dead ends: 2310 [2020-09-25 14:49:39,262 INFO L226 Difference]: Without dead ends: 1797 [2020-09-25 14:49:39,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=266, Invalid=546, Unknown=0, NotChecked=0, Total=812 [2020-09-25 14:49:39,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2020-09-25 14:49:39,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1144. [2020-09-25 14:49:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1144 states. [2020-09-25 14:49:39,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1515 transitions. [2020-09-25 14:49:39,421 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1515 transitions. Word has length 213 [2020-09-25 14:49:39,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:49:39,422 INFO L479 AbstractCegarLoop]: Abstraction has 1144 states and 1515 transitions. [2020-09-25 14:49:39,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 14:49:39,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1515 transitions. [2020-09-25 14:49:39,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 14:49:39,432 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:39,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:49:39,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:49:39,433 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:39,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:39,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1421481640, now seen corresponding path program 1 times [2020-09-25 14:49:39,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:39,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754912003] [2020-09-25 14:49:39,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:39,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:39,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:39,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:42,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:43,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:43,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-09-25 14:49:43,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:49:43,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4381 [2020-09-25 14:49:43,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:43,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:43,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:49:43,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-25 14:49:43,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-09-25 14:49:43,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:49:44,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 14:49:44,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:44,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 14:49:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:49:44,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:44,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:44,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:44,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:49:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:49:44,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:44,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:44,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 14:49:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:44,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:49:44,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:49:44,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 14:49:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:44,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 14:49:44,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:44,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 14:49:44,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:44,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 14:49:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:44,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 14:49:44,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:49:44,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:49:44,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 14:49:44,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:44,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:49:44,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:44,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:44,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:44,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:44,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:44,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:44,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:44,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:44,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 14:49:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:44,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:49:44,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:44,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 14:49:44,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 14:49:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:44,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:49:44,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:44,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:44,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:49:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 14:49:44,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-09-25 14:49:44,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 14:49:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:49:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-09-25 14:49:44,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 14:49:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:49:44,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 14:49:44,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:49:44,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:49:44,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 14:49:44,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:44,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 14:49:44,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:49:44,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 14:49:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 14:49:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:44,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:49:44,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:44,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:44,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:44,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:44,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:44,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:44,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:44,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:44,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:49:44,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 14:49:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:44,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:44,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:44,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:44,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:44,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:44,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:44,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 14:49:44,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:44,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-09-25 14:49:44,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754912003] [2020-09-25 14:49:44,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:49:44,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:49:44,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204691348] [2020-09-25 14:49:44,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:49:44,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:49:44,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:49:44,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:49:44,898 INFO L87 Difference]: Start difference. First operand 1144 states and 1515 transitions. Second operand 9 states. [2020-09-25 14:49:49,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:49:49,025 INFO L93 Difference]: Finished difference Result 4671 states and 7072 transitions. [2020-09-25 14:49:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 14:49:49,026 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-09-25 14:49:49,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:49:49,062 INFO L225 Difference]: With dead ends: 4671 [2020-09-25 14:49:49,062 INFO L226 Difference]: Without dead ends: 3584 [2020-09-25 14:49:49,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 41 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=217, Invalid=485, Unknown=0, NotChecked=0, Total=702 [2020-09-25 14:49:49,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3584 states. [2020-09-25 14:49:49,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3584 to 2340. [2020-09-25 14:49:49,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2340 states. [2020-09-25 14:49:49,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2340 states to 2340 states and 3263 transitions. [2020-09-25 14:49:49,302 INFO L78 Accepts]: Start accepts. Automaton has 2340 states and 3263 transitions. Word has length 213 [2020-09-25 14:49:49,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:49:49,304 INFO L479 AbstractCegarLoop]: Abstraction has 2340 states and 3263 transitions. [2020-09-25 14:49:49,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:49:49,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 3263 transitions. [2020-09-25 14:49:49,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 14:49:49,318 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:49,318 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:49:49,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:49:49,319 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:49,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:49,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1805803768, now seen corresponding path program 1 times [2020-09-25 14:49:49,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:49,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1022819902] [2020-09-25 14:49:49,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:49,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:49,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-09-25 14:49:50,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 14:49:50,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1201 [2020-09-25 14:49:50,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 14:49:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 14:49:50,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:50,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:49:50,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:49:50,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:50,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 14:49:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:49:50,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:49:50,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:50,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:49:50,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:49:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:49:50,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:50,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:50,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:49:50,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 14:49:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:50,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 14:49:50,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 14:49:50,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:49:50,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 14:49:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:50,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 14:49:50,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:49:50,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 14:49:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:50,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:49:50,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 14:49:50,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:50,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:50,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:50,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:50,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:50,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:50,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:50,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:50,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 14:49:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:50,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:49:50,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:49:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 14:49:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:50,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 14:49:50,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 14:49:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:49:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 14:49:50,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 14:49:50,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-25 14:49:50,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 14:49:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:49:50,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:50,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:50,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:50,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:50,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:50,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:50,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:50,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:50,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:50,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:50,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:50,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:50,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:50,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:50,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:50,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:50,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:50,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:50,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:51,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:51,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:51,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:51,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:51,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:51,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:51,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:51,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:51,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:51,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:51,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:51,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:51,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:51,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 14:49:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:51,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:51,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:51,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:51,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:51,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:51,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:51,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 14:49:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:51,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:51,068 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-09-25 14:49:51,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1022819902] [2020-09-25 14:49:51,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:49:51,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:49:51,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062635124] [2020-09-25 14:49:51,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:49:51,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:49:51,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:49:51,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:49:51,072 INFO L87 Difference]: Start difference. First operand 2340 states and 3263 transitions. Second operand 9 states. [2020-09-25 14:49:53,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:49:53,154 INFO L93 Difference]: Finished difference Result 5443 states and 7749 transitions. [2020-09-25 14:49:53,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 14:49:53,155 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-09-25 14:49:53,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:49:53,177 INFO L225 Difference]: With dead ends: 5443 [2020-09-25 14:49:53,177 INFO L226 Difference]: Without dead ends: 3156 [2020-09-25 14:49:53,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-09-25 14:49:53,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3156 states. [2020-09-25 14:49:53,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3156 to 2328. [2020-09-25 14:49:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2328 states. [2020-09-25 14:49:53,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 2328 states and 3239 transitions. [2020-09-25 14:49:53,348 INFO L78 Accepts]: Start accepts. Automaton has 2328 states and 3239 transitions. Word has length 213 [2020-09-25 14:49:53,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:49:53,349 INFO L479 AbstractCegarLoop]: Abstraction has 2328 states and 3239 transitions. [2020-09-25 14:49:53,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:49:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 3239 transitions. [2020-09-25 14:49:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-25 14:49:53,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:53,385 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:49:53,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:49:53,385 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:53,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:53,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1462010108, now seen corresponding path program 1 times [2020-09-25 14:49:53,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:53,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240098840] [2020-09-25 14:49:53,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:53,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:53,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:53,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 14:49:53,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:49:53,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 548 [2020-09-25 14:49:53,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:53,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:53,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:53,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-25 14:49:53,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 14:49:53,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:49:54,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:49:54,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:54,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 14:49:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:49:54,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:54,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:54,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:54,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 14:49:54,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:49:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:49:54,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:54,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:54,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:54,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:49:54,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 14:49:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:54,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:49:54,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 14:49:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:49:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 14:49:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:54,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:54,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:49:54,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 14:49:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:54,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:49:54,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 14:49:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:54,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:54,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:54,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:54,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:49:54,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:54,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:54,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:54,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:54,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 14:49:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:54,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:54,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 14:49:54,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 14:49:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:54,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:54,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 14:49:54,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:49:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 14:49:54,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 14:49:54,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-25 14:49:54,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 14:49:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:49:54,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:54,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:54,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:54,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:49:54,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:54,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:54,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:54,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:54,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:49:54,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:54,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:54,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:54,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:54,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:54,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 14:49:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:54,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:54,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:54,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:54,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:54,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:49:54,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:54,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:54,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 14:49:54,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:54,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:54,475 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-09-25 14:49:54,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240098840] [2020-09-25 14:49:54,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:49:54,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:49:54,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632222782] [2020-09-25 14:49:54,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:49:54,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:49:54,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:49:54,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:49:54,478 INFO L87 Difference]: Start difference. First operand 2328 states and 3239 transitions. Second operand 9 states. [2020-09-25 14:49:57,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:49:57,008 INFO L93 Difference]: Finished difference Result 5428 states and 7710 transitions. [2020-09-25 14:49:57,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 14:49:57,008 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 218 [2020-09-25 14:49:57,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:49:57,030 INFO L225 Difference]: With dead ends: 5428 [2020-09-25 14:49:57,031 INFO L226 Difference]: Without dead ends: 3146 [2020-09-25 14:49:57,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-09-25 14:49:57,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3146 states. [2020-09-25 14:49:57,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3146 to 2320. [2020-09-25 14:49:57,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2320 states. [2020-09-25 14:49:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 2320 states and 3226 transitions. [2020-09-25 14:49:57,208 INFO L78 Accepts]: Start accepts. Automaton has 2320 states and 3226 transitions. Word has length 218 [2020-09-25 14:49:57,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:49:57,208 INFO L479 AbstractCegarLoop]: Abstraction has 2320 states and 3226 transitions. [2020-09-25 14:49:57,208 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:49:57,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2320 states and 3226 transitions. [2020-09-25 14:49:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-25 14:49:57,214 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:49:57,214 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:49:57,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 14:49:57,215 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:49:57,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:49:57,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1725546776, now seen corresponding path program 1 times [2020-09-25 14:49:57,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:49:57,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231512816] [2020-09-25 14:49:57,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:49:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-25 14:49:57,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:49:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-25 14:49:57,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-09-25 14:49:57,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 14:49:57,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 14:49:57,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 14:49:57,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-25 14:49:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:49:57,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:57,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 14:49:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:49:57,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:57,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-25 14:49:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:57,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:49:57,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 14:49:57,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-25 14:49:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:57,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:49:57,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-25 14:49:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:57,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:49:57,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:57,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:57,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:57,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:57,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:57,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:57,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:49:57,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-25 14:49:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 14:49:57,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:49:57,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-25 14:49:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:57,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:57,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:49:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-25 14:49:57,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 14:49:57,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 14:49:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 14:49:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:49:57,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:57,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:49:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:57,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:57,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:57,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 14:49:57,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:57,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:57,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:57,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:57,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:57,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:57,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 14:49:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:58,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:58,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:58,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:58,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:58,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:49:58,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:58,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:58,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:58,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 14:49:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:58,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:58,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:58,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:58,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:49:58,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:58,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:58,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:58,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:58,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:49:58,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 14:49:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:58,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:58,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:58,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:58,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:49:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:49:58,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:58,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:49:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:49:58,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:49:58,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:58,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-25 14:49:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:49:58,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:58,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:49:58,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:49:58,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 14:49:58,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:49:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 14:49:58,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:49:58,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:49:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:49:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 14:49:58,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:49:58,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:49:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-25 14:49:58,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231512816] [2020-09-25 14:49:58,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:49:58,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 14:49:58,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989540092] [2020-09-25 14:49:58,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 14:49:58,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:49:58,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 14:49:58,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-25 14:49:58,130 INFO L87 Difference]: Start difference. First operand 2320 states and 3226 transitions. Second operand 9 states. [2020-09-25 14:50:02,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:50:02,573 INFO L93 Difference]: Finished difference Result 8471 states and 12900 transitions. [2020-09-25 14:50:02,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 14:50:02,574 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 223 [2020-09-25 14:50:02,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:50:02,615 INFO L225 Difference]: With dead ends: 8471 [2020-09-25 14:50:02,616 INFO L226 Difference]: Without dead ends: 6198 [2020-09-25 14:50:02,635 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2020-09-25 14:50:02,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6198 states. [2020-09-25 14:50:02,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6198 to 4726. [2020-09-25 14:50:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4726 states. [2020-09-25 14:50:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4726 states to 4726 states and 6891 transitions. [2020-09-25 14:50:03,007 INFO L78 Accepts]: Start accepts. Automaton has 4726 states and 6891 transitions. Word has length 223 [2020-09-25 14:50:03,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:50:03,008 INFO L479 AbstractCegarLoop]: Abstraction has 4726 states and 6891 transitions. [2020-09-25 14:50:03,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 14:50:03,008 INFO L276 IsEmpty]: Start isEmpty. Operand 4726 states and 6891 transitions. [2020-09-25 14:50:03,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-09-25 14:50:03,042 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:50:03,042 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:50:03,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 14:50:03,043 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:50:03,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:50:03,043 INFO L82 PathProgramCache]: Analyzing trace with hash 124669882, now seen corresponding path program 1 times [2020-09-25 14:50:03,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:50:03,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1439917942] [2020-09-25 14:50:03,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:50:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:50:03,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:03,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:03,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:03,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:03,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:50:04,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking...