/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --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.01.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:35:53,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:35:53,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:35:53,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:35:53,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:35:53,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:35:53,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:35:53,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:35:53,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:35:53,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:35:53,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:35:53,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:35:53,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:35:53,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:35:53,989 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:35:53,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:35:53,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:35:53,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:35:53,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:35:54,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:35:54,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:35:54,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:35:54,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:35:54,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:35:54,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:35:54,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:35:54,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:35:54,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:35:54,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:35:54,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:35:54,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:35:54,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:35:54,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:35:54,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:35:54,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:35:54,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:35:54,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:35:54,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:35:54,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:35:54,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:35:54,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:35:54,032 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 [2020-09-24 19:35:54,080 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:35:54,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:35:54,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:35:54,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:35:54,083 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:35:54,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:35:54,084 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:35:54,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:35:54,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:35:54,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:35:54,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:35:54,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:35:54,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:35:54,087 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:35:54,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:35:54,088 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:35:54,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:35:54,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:35:54,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:35:54,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:35:54,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:35:54,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:35:54,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:35:54,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:35:54,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:35:54,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:35:54,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:35:54,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:35:54,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:35:54,091 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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:35:54,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:35:54,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:35:54,557 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:35:54,559 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:35:54,560 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:35:54,561 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-24 19:35:54,639 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4da46f7f1/e5a7c15825ce42578e1ac50dce923253/FLAGd96eccac0 [2020-09-24 19:35:55,228 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:35:55,229 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-1.c [2020-09-24 19:35:55,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4da46f7f1/e5a7c15825ce42578e1ac50dce923253/FLAGd96eccac0 [2020-09-24 19:35:55,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4da46f7f1/e5a7c15825ce42578e1ac50dce923253 [2020-09-24 19:35:55,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:35:55,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:35:55,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:35:55,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:35:55,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:35:55,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:35:55" (1/1) ... [2020-09-24 19:35:55,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fad44cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:55, skipping insertion in model container [2020-09-24 19:35:55,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:35:55" (1/1) ... [2020-09-24 19:35:55,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:35:55,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:35:55,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:35:55,888 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:35:56,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:35:56,056 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:35:56,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:56 WrapperNode [2020-09-24 19:35:56,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:35:56,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:35:56,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:35:56,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:35:56,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:56" (1/1) ... [2020-09-24 19:35:56,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:56" (1/1) ... [2020-09-24 19:35:56,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:56" (1/1) ... [2020-09-24 19:35:56,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:56" (1/1) ... [2020-09-24 19:35:56,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:56" (1/1) ... [2020-09-24 19:35:56,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:56" (1/1) ... [2020-09-24 19:35:56,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:56" (1/1) ... [2020-09-24 19:35:56,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:35:56,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:35:56,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:35:56,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:35:56,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:56" (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 [2020-09-24 19:35:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:35:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:35:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-24 19:35:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-24 19:35:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-24 19:35:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-24 19:35:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-24 19:35:56,193 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-24 19:35:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-24 19:35:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-24 19:35:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-24 19:35:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-24 19:35:56,194 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-24 19:35:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-24 19:35:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-24 19:35:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-24 19:35:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-24 19:35:56,195 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-24 19:35:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-24 19:35:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-24 19:35:56,196 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:35:56,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:35:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-24 19:35:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-24 19:35:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-24 19:35:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-24 19:35:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:35:56,197 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-24 19:35:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-24 19:35:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-24 19:35:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-24 19:35:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-24 19:35:56,198 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-24 19:35:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-24 19:35:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-24 19:35:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-24 19:35:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-24 19:35:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-24 19:35:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-24 19:35:56,199 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-24 19:35:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-24 19:35:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:35:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:35:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:35:56,805 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:35:56,805 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 19:35:56,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:35:56 BoogieIcfgContainer [2020-09-24 19:35:56,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:35:56,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:35:56,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:35:56,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:35:56,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:35:55" (1/3) ... [2020-09-24 19:35:56,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6183850d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:35:56, skipping insertion in model container [2020-09-24 19:35:56,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:56" (2/3) ... [2020-09-24 19:35:56,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6183850d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:35:56, skipping insertion in model container [2020-09-24 19:35:56,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:35:56" (3/3) ... [2020-09-24 19:35:56,828 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-1.c [2020-09-24 19:35:56,839 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:35:56,851 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:35:56,873 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:35:56,907 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:35:56,907 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:35:56,907 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:35:56,907 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:35:56,908 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:35:56,908 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:35:56,908 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:35:56,908 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:35:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2020-09-24 19:35:56,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-09-24 19:35:56,954 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:35:56,956 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] [2020-09-24 19:35:56,957 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:35:56,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:35:56,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1066956110, now seen corresponding path program 1 times [2020-09-24 19:35:56,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:35:56,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61059597] [2020-09-24 19:35:56,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:35:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:57,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:57,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:58,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:58,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-09-24 19:35:58,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:35:58,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1004 [2020-09-24 19:35:58,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:58,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:35:58,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-24 19:35:58,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-24 19:35:58,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:35:58,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:35:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:58,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:58,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:58,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:35:58,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:35:58,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 19:35:58,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:35:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:35:58,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:35:58,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:35:58,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 19:35:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:58,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:58,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:58,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:35:58,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:35:58,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:35:58,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:58,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:35:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:35:58,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:35:58,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:35:58,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:35:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:58,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:58,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:58,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:35:58,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:35:58,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:35:58,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:58,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:35:58,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:35:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:35:58,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:35:58,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 19:35:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:58,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:58,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:58,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:35:58,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:35:58,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:35:58,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:35:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:35:58,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:35:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:35:58,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 19:35:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:58,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:58,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:58,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:35:58,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:35:58,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:35:58,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:58,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:35:58,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:35:58,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:35:58,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:35:58,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 19:35:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:58,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:58,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:58,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:35:58,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:35:58,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:35:58,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:58,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:35:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:35:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:35:58,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:35:58,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:35:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:58,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:58,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:58,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:35:58,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:35:58,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:35:58,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:58,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:35:58,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:35:58,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:35:58,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:35:58,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:35:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:58,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:58,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:58,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:35:58,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:35:58,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:35:58,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:58,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:35:58,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:35:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:35:58,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:35:58,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 19:35:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:58,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:58,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:58,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:35:58,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:35:58,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:35:58,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:58,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:35:58,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:35:58,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:35:58,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:35:58,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 19:35:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:58,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:58,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:35:58,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:35:58,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:35:58,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 19:35:58,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:35:58,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:35:58,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:35:58,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:35:58,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:35:58,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:35:58,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61059597] [2020-09-24 19:35:58,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:35:58,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:35:58,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018574278] [2020-09-24 19:35:58,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:35:58,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:35:58,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:35:58,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:35:58,729 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 7 states. [2020-09-24 19:36:00,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:00,962 INFO L93 Difference]: Finished difference Result 774 states and 1050 transitions. [2020-09-24 19:36:00,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 19:36:00,972 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 107 [2020-09-24 19:36:00,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:01,014 INFO L225 Difference]: With dead ends: 774 [2020-09-24 19:36:01,014 INFO L226 Difference]: Without dead ends: 573 [2020-09-24 19:36:01,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-24 19:36:01,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2020-09-24 19:36:01,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 419. [2020-09-24 19:36:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-24 19:36:01,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 521 transitions. [2020-09-24 19:36:01,157 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 521 transitions. Word has length 107 [2020-09-24 19:36:01,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:01,158 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 521 transitions. [2020-09-24 19:36:01,158 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:36:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 521 transitions. [2020-09-24 19:36:01,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-24 19:36:01,168 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:01,168 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:01,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:36:01,169 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:01,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:01,169 INFO L82 PathProgramCache]: Analyzing trace with hash -517401199, now seen corresponding path program 1 times [2020-09-24 19:36:01,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:01,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892745374] [2020-09-24 19:36:01,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:01,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:01,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-09-24 19:36:02,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:02,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-24 19:36:02,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:02,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 180 [2020-09-24 19:36:02,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 19:36:02,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:36:02,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:36:02,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:02,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 19:36:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:36:02,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:02,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:02,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:02,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:02,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 19:36:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:02,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:02,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 19:36:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:02,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:02,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 19:36:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:36:02,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:02,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:02,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:02,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:02,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:02,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 19:36:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:02,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:02,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 19:36:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:02,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:02,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 19:36:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 19:36:02,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 19:36:02,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:02,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-24 19:36:02,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 19:36:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 19:36:02,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:02,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:36:02,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:02,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:02,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:02,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:02,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:02,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:02,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:02,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:02,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 19:36:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:02,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:02,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:02,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:02,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:02,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:36:02,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 19:36:02,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:36:02,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-09-24 19:36:02,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892745374] [2020-09-24 19:36:02,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:36:02,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 19:36:02,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42020642] [2020-09-24 19:36:02,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 19:36:02,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:02,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 19:36:02,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 19:36:02,612 INFO L87 Difference]: Start difference. First operand 419 states and 521 transitions. Second operand 9 states. [2020-09-24 19:36:06,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:06,341 INFO L93 Difference]: Finished difference Result 1504 states and 2005 transitions. [2020-09-24 19:36:06,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 19:36:06,342 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-09-24 19:36:06,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:06,352 INFO L225 Difference]: With dead ends: 1504 [2020-09-24 19:36:06,353 INFO L226 Difference]: Without dead ends: 1125 [2020-09-24 19:36:06,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2020-09-24 19:36:06,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2020-09-24 19:36:06,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 835. [2020-09-24 19:36:06,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2020-09-24 19:36:06,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1076 transitions. [2020-09-24 19:36:06,496 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1076 transitions. Word has length 170 [2020-09-24 19:36:06,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:06,497 INFO L479 AbstractCegarLoop]: Abstraction has 835 states and 1076 transitions. [2020-09-24 19:36:06,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 19:36:06,498 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1076 transitions. [2020-09-24 19:36:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-09-24 19:36:06,507 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:06,508 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:06,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:36:06,508 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:06,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:06,508 INFO L82 PathProgramCache]: Analyzing trace with hash 214480794, now seen corresponding path program 1 times [2020-09-24 19:36:06,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:06,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824065367] [2020-09-24 19:36:06,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:06,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:06,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:06,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:06,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:07,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-24 19:36:07,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:36:07,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-24 19:36:07,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:07,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:36:07,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 166 [2020-09-24 19:36:07,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 19:36:07,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:07,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:07,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:07,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:36:07,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:07,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:36:07,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:07,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:07,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:07,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:07,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:07,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 19:36:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:07,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:07,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:36:07,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:07,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:07,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:07,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:07,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:07,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:07,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:07,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:07,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:07,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:07,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:07,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:07,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:07,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:07,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 19:36:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:07,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:07,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:07,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:07,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:07,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:07,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:07,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:07,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:07,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:07,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 19:36:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:07,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:07,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:07,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:07,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:07,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:07,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:07,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:07,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:07,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:07,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 19:36:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:07,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:07,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:36:07,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:07,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:07,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:07,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:07,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:07,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:07,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:07,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:07,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:07,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:07,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:07,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:07,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:07,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:07,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:07,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:07,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:07,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:07,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:07,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:07,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:07,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:07,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:07,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:07,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:07,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 19:36:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:07,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:07,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:07,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:07,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:07,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:07,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:07,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:07,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:07,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:07,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 19:36:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:07,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:07,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:07,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:07,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:07,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:07,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:07,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:07,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:07,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:07,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 19:36:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:07,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:07,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:08,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 19:36:08,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:08,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-09-24 19:36:08,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:08,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:08,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:08,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 19:36:08,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:08,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 19:36:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:08,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:08,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 19:36:08,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 19:36:08,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-24 19:36:08,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:08,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:08,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:08,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 19:36:08,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:08,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 19:36:08,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:08,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:08,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:08,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 19:36:08,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:08,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:08,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:08,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:08,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:08,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:08,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:08,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:08,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:08,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:08,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:08,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:08,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:08,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:08,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:08,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:36:08,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:08,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 19:36:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:08,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:08,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 19:36:08,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:08,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-24 19:36:08,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:08,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:08,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 19:36:08,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 19:36:08,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:08,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:08,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:08,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 19:36:08,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:08,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 19:36:08,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:08,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:08,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-24 19:36:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 19:36:08,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:08,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:08,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:08,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 19:36:08,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:08,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 19:36:08,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:08,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:08,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 19:36:08,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:08,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:08,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:08,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:08,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:08,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:08,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:08,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:08,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:08,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:08,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:08,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:08,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:08,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:08,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:08,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:08,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:08,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:08,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:36:08,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:08,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-24 19:36:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:08,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:08,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:08,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:08,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:08,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:08,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:08,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:08,494 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-09-24 19:36:08,495 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1824065367] [2020-09-24 19:36:08,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:36:08,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:36:08,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345925632] [2020-09-24 19:36:08,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:36:08,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:08,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:36:08,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:36:08,497 INFO L87 Difference]: Start difference. First operand 835 states and 1076 transitions. Second operand 10 states. [2020-09-24 19:36:11,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:11,650 INFO L93 Difference]: Finished difference Result 2876 states and 4011 transitions. [2020-09-24 19:36:11,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 19:36:11,651 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 220 [2020-09-24 19:36:11,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:11,671 INFO L225 Difference]: With dead ends: 2876 [2020-09-24 19:36:11,671 INFO L226 Difference]: Without dead ends: 2087 [2020-09-24 19:36:11,682 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2020-09-24 19:36:11,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2087 states. [2020-09-24 19:36:11,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2087 to 1536. [2020-09-24 19:36:11,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1536 states. [2020-09-24 19:36:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1536 states and 1935 transitions. [2020-09-24 19:36:11,844 INFO L78 Accepts]: Start accepts. Automaton has 1536 states and 1935 transitions. Word has length 220 [2020-09-24 19:36:11,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:11,847 INFO L479 AbstractCegarLoop]: Abstraction has 1536 states and 1935 transitions. [2020-09-24 19:36:11,847 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:36:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 1935 transitions. [2020-09-24 19:36:11,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-24 19:36:11,860 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:11,861 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:11,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:36:11,861 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:11,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:11,862 INFO L82 PathProgramCache]: Analyzing trace with hash 885957487, now seen corresponding path program 1 times [2020-09-24 19:36:11,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:11,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1886355941] [2020-09-24 19:36:11,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 308 [2020-09-24 19:36:12,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:36:12,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-24 19:36:12,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-24 19:36:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 19:36:12,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:12,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:36:13,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:36:13,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 19:36:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:36:13,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:13,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:13,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:13,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 19:36:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:13,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:13,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 19:36:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:13,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:13,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 19:36:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:36:13,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:13,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:13,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:13,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:13,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:13,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 19:36:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:13,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:13,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 19:36:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:13,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:13,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-24 19:36:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 19:36:13,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:13,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-24 19:36:13,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 19:36:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-24 19:36:13,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:13,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 19:36:13,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 19:36:13,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:13,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:36:13,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:13,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:13,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:13,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:13,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-24 19:36:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:13,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:36:13,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:13,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:36:13,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:13,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-24 19:36:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:13,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:36:13,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 19:36:13,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:36:13,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:13,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 19:36:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 19:36:13,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:13,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-24 19:36:13,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-24 19:36:13,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:36:13,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:13,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-24 19:36:13,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 19:36:13,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:13,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-24 19:36:13,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:13,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:13,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:13,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:13,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-09-24 19:36:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:13,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:13,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:13,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:13,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:13,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:13,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:13,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:13,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:13,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:13,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-09-24 19:36:13,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1886355941] [2020-09-24 19:36:13,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:36:13,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 19:36:13,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391172419] [2020-09-24 19:36:13,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:36:13,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:13,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:36:13,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:36:13,822 INFO L87 Difference]: Start difference. First operand 1536 states and 1935 transitions. Second operand 10 states. [2020-09-24 19:36:17,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:17,080 INFO L93 Difference]: Finished difference Result 5372 states and 7175 transitions. [2020-09-24 19:36:17,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-24 19:36:17,081 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 249 [2020-09-24 19:36:17,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:17,115 INFO L225 Difference]: With dead ends: 5372 [2020-09-24 19:36:17,115 INFO L226 Difference]: Without dead ends: 3884 [2020-09-24 19:36:17,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=240, Invalid=816, Unknown=0, NotChecked=0, Total=1056 [2020-09-24 19:36:17,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3884 states. [2020-09-24 19:36:17,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3884 to 2855. [2020-09-24 19:36:17,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2855 states. [2020-09-24 19:36:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2855 states and 3630 transitions. [2020-09-24 19:36:17,400 INFO L78 Accepts]: Start accepts. Automaton has 2855 states and 3630 transitions. Word has length 249 [2020-09-24 19:36:17,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:17,401 INFO L479 AbstractCegarLoop]: Abstraction has 2855 states and 3630 transitions. [2020-09-24 19:36:17,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:36:17,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 3630 transitions. [2020-09-24 19:36:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-09-24 19:36:17,416 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:17,416 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:17,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 19:36:17,417 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:17,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:17,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1982037436, now seen corresponding path program 1 times [2020-09-24 19:36:17,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:17,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [333071057] [2020-09-24 19:36:17,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:17,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:17,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:17,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:17,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-09-24 19:36:18,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:36:18,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1012 [2020-09-24 19:36:18,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-09-24 19:36:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 19:36:18,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:36:18,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:36:18,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 19:36:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:36:18,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:18,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:18,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:18,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 19:36:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:18,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 19:36:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:36:18,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:18,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 19:36:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:36:18,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:18,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:18,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:18,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:18,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:18,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:18,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 19:36:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:18,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:18,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 19:36:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:36:18,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:36:18,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:18,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-24 19:36:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:18,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:18,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-24 19:36:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:18,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:18,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:18,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 19:36:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 19:36:18,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:18,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-24 19:36:18,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-09-24 19:36:18,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:18,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 19:36:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:36:18,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:18,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-24 19:36:18,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 19:36:19,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:19,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-24 19:36:19,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:19,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:19,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:19,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 19:36:19,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 19:36:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 19:36:19,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:19,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-24 19:36:19,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-24 19:36:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:36:19,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:19,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-24 19:36:19,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 19:36:19,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:19,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 19:36:19,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:19,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:19,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:19,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:36:19,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 19:36:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:19,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:19,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-09-24 19:36:19,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [333071057] [2020-09-24 19:36:19,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:36:19,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 19:36:19,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626380489] [2020-09-24 19:36:19,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 19:36:19,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:19,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 19:36:19,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-24 19:36:19,633 INFO L87 Difference]: Start difference. First operand 2855 states and 3630 transitions. Second operand 9 states. [2020-09-24 19:36:22,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:22,487 INFO L93 Difference]: Finished difference Result 6722 states and 8848 transitions. [2020-09-24 19:36:22,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 19:36:22,487 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 250 [2020-09-24 19:36:22,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:22,512 INFO L225 Difference]: With dead ends: 6722 [2020-09-24 19:36:22,512 INFO L226 Difference]: Without dead ends: 3925 [2020-09-24 19:36:22,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2020-09-24 19:36:22,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3925 states. [2020-09-24 19:36:22,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3925 to 2845. [2020-09-24 19:36:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2845 states. [2020-09-24 19:36:22,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 2845 states and 3577 transitions. [2020-09-24 19:36:22,707 INFO L78 Accepts]: Start accepts. Automaton has 2845 states and 3577 transitions. Word has length 250 [2020-09-24 19:36:22,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:22,708 INFO L479 AbstractCegarLoop]: Abstraction has 2845 states and 3577 transitions. [2020-09-24 19:36:22,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 19:36:22,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2845 states and 3577 transitions. [2020-09-24 19:36:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-24 19:36:22,722 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:22,722 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:22,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 19:36:22,723 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:22,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:22,724 INFO L82 PathProgramCache]: Analyzing trace with hash -304870595, now seen corresponding path program 1 times [2020-09-24 19:36:22,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:22,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1317840711] [2020-09-24 19:36:22,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:22,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:22,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:22,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 314 [2020-09-24 19:36:23,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:36:23,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-24 19:36:23,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:23,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 217 [2020-09-24 19:36:23,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-09-24 19:36:23,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:36:23,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:36:23,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 19:36:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:36:23,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:23,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:23,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:23,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 19:36:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:23,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 19:36:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:23,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 19:36:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:36:23,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:23,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:23,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:23,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:23,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:23,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 19:36:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:23,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:23,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 19:36:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:23,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:23,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-24 19:36:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:23,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-24 19:36:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:23,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 19:36:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 19:36:24,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:24,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-24 19:36:24,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-24 19:36:24,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:24,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 19:36:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:36:24,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:24,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-09-24 19:36:24,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:24,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:24,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 19:36:24,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:24,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-09-24 19:36:24,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:24,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:24,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:24,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:24,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:24,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:24,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:24,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:24,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:24,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 19:36:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 19:36:24,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:24,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-24 19:36:24,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 19:36:24,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-24 19:36:24,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:36:24,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:24,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-24 19:36:24,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 19:36:24,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 19:36:24,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:24,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-24 19:36:24,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 19:36:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:24,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:24,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:24,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:24,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:36:24,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:36:24,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-24 19:36:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:24,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:36:24,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:24,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-09-24 19:36:24,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1317840711] [2020-09-24 19:36:24,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:36:24,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:36:24,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549967673] [2020-09-24 19:36:24,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:36:24,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:24,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:36:24,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:36:24,948 INFO L87 Difference]: Start difference. First operand 2845 states and 3577 transitions. Second operand 10 states. [2020-09-24 19:36:27,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:27,071 INFO L93 Difference]: Finished difference Result 6490 states and 8663 transitions. [2020-09-24 19:36:27,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 19:36:27,071 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 255 [2020-09-24 19:36:27,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:27,097 INFO L225 Difference]: With dead ends: 6490 [2020-09-24 19:36:27,097 INFO L226 Difference]: Without dead ends: 3695 [2020-09-24 19:36:27,110 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-09-24 19:36:27,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3695 states. [2020-09-24 19:36:27,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3695 to 2841. [2020-09-24 19:36:27,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2841 states. [2020-09-24 19:36:27,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3495 transitions. [2020-09-24 19:36:27,346 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3495 transitions. Word has length 255 [2020-09-24 19:36:27,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:27,347 INFO L479 AbstractCegarLoop]: Abstraction has 2841 states and 3495 transitions. [2020-09-24 19:36:27,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:36:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3495 transitions. [2020-09-24 19:36:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-24 19:36:27,366 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:27,367 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:27,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 19:36:27,367 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:27,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:27,368 INFO L82 PathProgramCache]: Analyzing trace with hash 405313859, now seen corresponding path program 1 times [2020-09-24 19:36:27,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:27,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655452095] [2020-09-24 19:36:27,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:27,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-24 19:36:28,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 676 [2020-09-24 19:36:28,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 19:36:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-09-24 19:36:28,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-09-24 19:36:28,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:36:28,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 19:36:28,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 19:36:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:36:28,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:28,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:28,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:28,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 19:36:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:28,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:28,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 19:36:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:28,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:36:28,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 19:36:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:36:28,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:28,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:28,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:28,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:28,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:28,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 19:36:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:28,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:28,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 19:36:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:28,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:28,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-24 19:36:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:28,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:28,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-09-24 19:36:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:28,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:28,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 19:36:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 19:36:28,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 19:36:28,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 19:36:28,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 19:36:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 19:36:28,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 19:36:28,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:28,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 19:36:28,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:28,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 19:36:28,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:36:28,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:28,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:36:28,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:28,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:28,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-24 19:36:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 19:36:28,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 19:36:28,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 19:36:28,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 19:36:28,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 19:36:28,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 19:36:28,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 19:36:28,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 19:36:28,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-24 19:36:28,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:36:28,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:28,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:28,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:28,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:28,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:28,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:28,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:28,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:28,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-09-24 19:36:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:28,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:28,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:28,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:28,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:28,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:36:28,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:28,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:28,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:28,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:36:28,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-09-24 19:36:28,898 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655452095] [2020-09-24 19:36:28,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:36:28,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-24 19:36:28,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221813033] [2020-09-24 19:36:28,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 19:36:28,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:28,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 19:36:28,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-09-24 19:36:28,901 INFO L87 Difference]: Start difference. First operand 2841 states and 3495 transitions. Second operand 12 states. [2020-09-24 19:36:34,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:34,748 INFO L93 Difference]: Finished difference Result 10137 states and 12900 transitions. [2020-09-24 19:36:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-09-24 19:36:34,748 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 254 [2020-09-24 19:36:34,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:34,800 INFO L225 Difference]: With dead ends: 10137 [2020-09-24 19:36:34,801 INFO L226 Difference]: Without dead ends: 7354 [2020-09-24 19:36:34,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=332, Invalid=1308, Unknown=0, NotChecked=0, Total=1640 [2020-09-24 19:36:34,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7354 states. [2020-09-24 19:36:35,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7354 to 5578. [2020-09-24 19:36:35,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5578 states. [2020-09-24 19:36:35,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5578 states to 5578 states and 6924 transitions. [2020-09-24 19:36:35,379 INFO L78 Accepts]: Start accepts. Automaton has 5578 states and 6924 transitions. Word has length 254 [2020-09-24 19:36:35,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:35,380 INFO L479 AbstractCegarLoop]: Abstraction has 5578 states and 6924 transitions. [2020-09-24 19:36:35,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 19:36:35,380 INFO L276 IsEmpty]: Start isEmpty. Operand 5578 states and 6924 transitions. [2020-09-24 19:36:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-09-24 19:36:35,402 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:35,402 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:35,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 19:36:35,403 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:35,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:35,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1642237702, now seen corresponding path program 1 times [2020-09-24 19:36:35,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:35,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427067885] [2020-09-24 19:36:35,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:35,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:35,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:35,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:35,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 337 [2020-09-24 19:36:36,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:36:36,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-09-24 19:36:36,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:36,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-09-24 19:36:36,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:36:36,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:36:36,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:36:36,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:36,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 19:36:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:36:36,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:36,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:36,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:36,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 19:36:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:36,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 19:36:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:36,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 19:36:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:36:36,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:36,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:36,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:36,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 19:36:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:36,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-24 19:36:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-24 19:36:36,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:36,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-24 19:36:36,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:36,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 19:36:36,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:36:36,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:36,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 19:36:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 19:36:36,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:36:36,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 19:36:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 19:36:36,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:36,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:36:36,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:36,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:36,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:36,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-24 19:36:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:36,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:36:36,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:36,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 19:36:36,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:36:36,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 19:36:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:37,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:37,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 19:36:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-24 19:36:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:37,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:37,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:37,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 19:36:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 19:36:37,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 19:36:37,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 19:36:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:37,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:37,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:37,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:37,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:37,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-09-24 19:36:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:37,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:37,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:37,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:37,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 19:36:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:37,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:37,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-24 19:36:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:36:37,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:36:37,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 19:36:37,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:37,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:37,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:37,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 19:36:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:37,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:37,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:37,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,157 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-09-24 19:36:37,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427067885] [2020-09-24 19:36:37,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:36:37,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 19:36:37,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97679127] [2020-09-24 19:36:37,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:36:37,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:37,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:36:37,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:36:37,160 INFO L87 Difference]: Start difference. First operand 5578 states and 6924 transitions. Second operand 10 states. [2020-09-24 19:36:40,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:40,339 INFO L93 Difference]: Finished difference Result 11938 states and 15226 transitions. [2020-09-24 19:36:40,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-24 19:36:40,340 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 270 [2020-09-24 19:36:40,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:40,377 INFO L225 Difference]: With dead ends: 11938 [2020-09-24 19:36:40,377 INFO L226 Difference]: Without dead ends: 7187 [2020-09-24 19:36:40,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2020-09-24 19:36:40,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7187 states. [2020-09-24 19:36:40,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7187 to 5635. [2020-09-24 19:36:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5635 states. [2020-09-24 19:36:40,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5635 states to 5635 states and 6943 transitions. [2020-09-24 19:36:40,851 INFO L78 Accepts]: Start accepts. Automaton has 5635 states and 6943 transitions. Word has length 270 [2020-09-24 19:36:40,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:40,854 INFO L479 AbstractCegarLoop]: Abstraction has 5635 states and 6943 transitions. [2020-09-24 19:36:40,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:36:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 5635 states and 6943 transitions. [2020-09-24 19:36:40,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-09-24 19:36:40,871 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:40,871 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:40,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 19:36:40,872 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:40,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:40,872 INFO L82 PathProgramCache]: Analyzing trace with hash -957347782, now seen corresponding path program 1 times [2020-09-24 19:36:40,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:40,873 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770879383] [2020-09-24 19:36:40,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:40,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:40,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:41,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:41,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:41,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:41,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 337 [2020-09-24 19:36:41,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:36:41,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-24 19:36:41,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 19:36:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 19:36:41,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:41,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:41,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:41,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:41,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 19:36:41,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:41,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:36:41,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:41,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:41,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:41,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:41,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:41,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-24 19:36:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:41,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:41,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:41,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 19:36:41,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:41,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:41,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:41,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:41,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:41,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:36:41,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:42,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:42,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:36:42,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-24 19:36:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:36:42,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:42,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 19:36:42,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:36:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 19:36:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:42,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-24 19:36:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:36:42,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:42,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-24 19:36:42,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:42,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:42,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-24 19:36:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:42,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:42,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-24 19:36:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-24 19:36:42,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 19:36:42,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-09-24 19:36:42,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:42,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 19:36:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 19:36:42,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:36:42,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 19:36:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-24 19:36:42,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:36:42,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 19:36:42,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:42,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:42,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 19:36:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:42,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-09-24 19:36:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:42,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:42,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-24 19:36:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:42,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:42,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 19:36:42,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-24 19:36:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:42,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 19:36:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 19:36:42,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 19:36:42,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 19:36:42,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:42,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:42,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:42,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-09-24 19:36:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:42,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:42,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-24 19:36:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:42,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:42,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-09-24 19:36:42,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:36:42,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 19:36:42,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-24 19:36:42,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 19:36:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:42,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:42,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:36:42,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-24 19:36:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:42,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:42,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:42,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:42,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:42,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:42,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:42,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:42,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:42,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:42,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:42,470 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2020-09-24 19:36:42,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770879383] [2020-09-24 19:36:42,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:36:42,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:36:42,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575571948] [2020-09-24 19:36:42,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:36:42,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:42,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:36:42,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:36:42,479 INFO L87 Difference]: Start difference. First operand 5635 states and 6943 transitions. Second operand 10 states. [2020-09-24 19:36:44,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:44,428 INFO L93 Difference]: Finished difference Result 11675 states and 14513 transitions. [2020-09-24 19:36:44,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 19:36:44,428 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 270 [2020-09-24 19:36:44,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:44,456 INFO L225 Difference]: With dead ends: 11675 [2020-09-24 19:36:44,456 INFO L226 Difference]: Without dead ends: 6084 [2020-09-24 19:36:44,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-24 19:36:44,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6084 states. [2020-09-24 19:36:44,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6084 to 4829. [2020-09-24 19:36:44,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4829 states. [2020-09-24 19:36:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 5957 transitions. [2020-09-24 19:36:44,790 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 5957 transitions. Word has length 270 [2020-09-24 19:36:44,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:44,790 INFO L479 AbstractCegarLoop]: Abstraction has 4829 states and 5957 transitions. [2020-09-24 19:36:44,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:36:44,790 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 5957 transitions. [2020-09-24 19:36:44,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-09-24 19:36:44,807 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:44,807 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:44,807 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 19:36:44,808 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:44,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:44,809 INFO L82 PathProgramCache]: Analyzing trace with hash 353572077, now seen corresponding path program 1 times [2020-09-24 19:36:44,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:44,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809892056] [2020-09-24 19:36:44,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:44,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:44,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking...