/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 14:35:56,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 14:35:56,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 14:35:56,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 14:35:56,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 14:35:56,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 14:35:56,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 14:35:56,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 14:35:56,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 14:35:56,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 14:35:56,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 14:35:56,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 14:35:56,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 14:35:56,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 14:35:56,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 14:35:56,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 14:35:56,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 14:35:56,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 14:35:56,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 14:35:56,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 14:35:56,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 14:35:56,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 14:35:56,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 14:35:56,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 14:35:56,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 14:35:56,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 14:35:56,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 14:35:56,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 14:35:56,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 14:35:56,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 14:35:56,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 14:35:56,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 14:35:56,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 14:35:56,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 14:35:56,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 14:35:56,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 14:35:56,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 14:35:56,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 14:35:56,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 14:35:56,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 14:35:56,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 14:35:56,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 14:35:56,198 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 14:35:56,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 14:35:56,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 14:35:56,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 14:35:56,201 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 14:35:56,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 14:35:56,201 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 14:35:56,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 14:35:56,201 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 14:35:56,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 14:35:56,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 14:35:56,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 14:35:56,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 14:35:56,202 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 14:35:56,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 14:35:56,203 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 14:35:56,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 14:35:56,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 14:35:56,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 14:35:56,204 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 14:35:56,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 14:35:56,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 14:35:56,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 14:35:56,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 14:35:56,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 14:35:56,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 14:35:56,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 14:35:56,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 14:35:56,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 14:35:56,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 14:35:56,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 14:35:56,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 14:35:56,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 14:35:56,619 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 14:35:56,620 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 14:35:56,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-10-29 14:35:56,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/524c9a93b/889d5d92f0244a0faa258bed6c934c89/FLAG262f17833 [2020-10-29 14:35:57,230 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 14:35:57,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-10-29 14:35:57,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/524c9a93b/889d5d92f0244a0faa258bed6c934c89/FLAG262f17833 [2020-10-29 14:35:57,575 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/524c9a93b/889d5d92f0244a0faa258bed6c934c89 [2020-10-29 14:35:57,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 14:35:57,586 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 14:35:57,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 14:35:57,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 14:35:57,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 14:35:57,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:35:57" (1/1) ... [2020-10-29 14:35:57,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b3d9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:35:57, skipping insertion in model container [2020-10-29 14:35:57,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:35:57" (1/1) ... [2020-10-29 14:35:57,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 14:35:57,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 14:35:57,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:35:57,952 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 14:35:57,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 14:35:58,050 INFO L208 MainTranslator]: Completed translation [2020-10-29 14:35:58,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:35:58 WrapperNode [2020-10-29 14:35:58,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 14:35:58,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 14:35:58,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 14:35:58,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 14:35:58,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:35:58" (1/1) ... [2020-10-29 14:35:58,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:35:58" (1/1) ... [2020-10-29 14:35:58,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:35:58" (1/1) ... [2020-10-29 14:35:58,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:35:58" (1/1) ... [2020-10-29 14:35:58,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:35:58" (1/1) ... [2020-10-29 14:35:58,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:35:58" (1/1) ... [2020-10-29 14:35:58,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:35:58" (1/1) ... [2020-10-29 14:35:58,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 14:35:58,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 14:35:58,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 14:35:58,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 14:35:58,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:35:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 14:35:58,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 14:35:58,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 14:35:58,338 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 14:35:58,338 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-29 14:35:58,339 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-29 14:35:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-29 14:35:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-29 14:35:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-29 14:35:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-29 14:35:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-29 14:35:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-29 14:35:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-29 14:35:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-29 14:35:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-29 14:35:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-29 14:35:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-29 14:35:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-29 14:35:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-29 14:35:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-29 14:35:58,345 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-29 14:35:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-29 14:35:58,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 14:35:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 14:35:58,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 14:35:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 14:35:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 14:35:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-29 14:35:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-29 14:35:58,347 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-29 14:35:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-29 14:35:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 14:35:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-29 14:35:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-29 14:35:58,348 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-29 14:35:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-29 14:35:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-29 14:35:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-29 14:35:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-29 14:35:58,349 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-29 14:35:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-29 14:35:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-29 14:35:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-29 14:35:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-29 14:35:58,350 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-29 14:35:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-29 14:35:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 14:35:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 14:35:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 14:35:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 14:35:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 14:35:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 14:35:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 14:35:59,393 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 14:35:59,394 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-29 14:35:59,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:35:59 BoogieIcfgContainer [2020-10-29 14:35:59,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 14:35:59,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 14:35:59,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 14:35:59,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 14:35:59,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 02:35:57" (1/3) ... [2020-10-29 14:35:59,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:35:59, skipping insertion in model container [2020-10-29 14:35:59,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:35:58" (2/3) ... [2020-10-29 14:35:59,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d4b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 02:35:59, skipping insertion in model container [2020-10-29 14:35:59,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:35:59" (3/3) ... [2020-10-29 14:35:59,406 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-2.c [2020-10-29 14:35:59,418 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 14:35:59,424 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 14:35:59,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 14:35:59,467 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 14:35:59,468 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 14:35:59,468 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 14:35:59,468 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 14:35:59,468 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 14:35:59,468 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 14:35:59,468 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 14:35:59,468 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 14:35:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-10-29 14:35:59,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-29 14:35:59,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:35:59,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:35:59,505 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:35:59,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:35:59,512 INFO L82 PathProgramCache]: Analyzing trace with hash -309336953, now seen corresponding path program 1 times [2020-10-29 14:35:59,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:35:59,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180939220] [2020-10-29 14:35:59,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:35:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:35:59,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:00,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:00,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:00,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:02,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:02,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:02,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:04,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:04,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 14:36:04,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 14:36:04,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-29 14:36:04,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:04,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-29 14:36:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 14:36:04,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 14:36:04,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:04,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:04,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:05,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:05,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:05,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:36:05,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:05,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:05,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:05,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:05,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:05,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:05,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:36:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:05,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:05,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:05,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:05,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:36:05,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:05,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:05,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:05,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:05,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:36:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:05,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:05,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:36:05,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:05,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:05,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:05,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:05,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:05,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:05,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:05,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:05,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:36:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:05,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:05,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:36:05,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:05,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:05,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:05,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:05,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:05,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:05,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:36:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:05,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:05,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:05,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:05,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:36:05,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:05,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:05,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:05,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:36:05,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:05,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:36:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:05,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:05,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:05,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:36:05,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-29 14:36:05,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:05,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:05,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:05,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:05,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 14:36:05,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:05,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:05,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:05,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:05,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:05,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:05,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:05,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:05,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:05,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:05,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:05,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:05,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:05,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:05,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:05,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:05,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:05,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:05,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:05,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:05,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:05,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:36:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:05,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:05,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:05,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:05,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:36:05,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:05,481 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:36:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:36:05,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:05,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:36:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:05,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:05,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:05,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:05,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:05,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:05,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:05,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:05,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:05,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:05,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:36:05,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180939220] [2020-10-29 14:36:05,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:36:05,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:36:05,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651314248] [2020-10-29 14:36:05,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:36:05,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:36:05,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:36:05,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:36:05,591 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 9 states. [2020-10-29 14:36:09,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:36:09,445 INFO L93 Difference]: Finished difference Result 594 states and 923 transitions. [2020-10-29 14:36:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-29 14:36:09,447 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2020-10-29 14:36:09,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:36:09,479 INFO L225 Difference]: With dead ends: 594 [2020-10-29 14:36:09,480 INFO L226 Difference]: Without dead ends: 438 [2020-10-29 14:36:09,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-10-29 14:36:09,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-29 14:36:09,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 293. [2020-10-29 14:36:09,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-10-29 14:36:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 397 transitions. [2020-10-29 14:36:09,643 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 397 transitions. Word has length 79 [2020-10-29 14:36:09,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:36:09,649 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 397 transitions. [2020-10-29 14:36:09,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:36:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 397 transitions. [2020-10-29 14:36:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-29 14:36:09,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:36:09,660 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:36:09,660 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 14:36:09,661 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:36:09,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:36:09,661 INFO L82 PathProgramCache]: Analyzing trace with hash 200136137, now seen corresponding path program 1 times [2020-10-29 14:36:09,661 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:36:09,662 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650015311] [2020-10-29 14:36:09,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:36:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:09,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:09,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:09,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:10,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:10,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:10,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:13,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:13,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:14,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:14,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:14,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-29 14:36:14,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 14:36:14,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 14:36:14,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:14,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:14,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 14:36:14,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:36:14,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-29 14:36:14,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 14:36:14,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:14,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:14,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:14,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:14,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:14,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:36:14,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:14,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:14,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:14,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:14,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:36:14,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:14,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:36:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:14,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:14,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:14,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:14,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:14,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:14,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:14,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:14,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:36:14,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:36:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:14,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:14,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:14,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:36:14,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:14,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:14,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:14,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:14,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:36:14,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:14,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:36:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:14,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:14,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:14,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:36:14,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:14,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:14,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:14,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:14,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:14,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:14,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:36:14,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:14,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:36:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:14,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:14,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:14,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:14,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:14,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:36:14,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:14,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:36:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:14,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:36:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:14,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:14,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:14,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:15,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:15,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:15,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:36:15,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 175 [2020-10-29 14:36:15,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:15,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:15,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:15,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:15,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 14:36:15,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:15,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:15,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:15,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:15,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:15,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:15,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:15,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:15,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:15,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:15,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:15,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:15,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:15,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:15,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:15,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:15,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:15,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:15,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:15,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:15,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:15,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:15,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:15,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:36:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:15,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:15,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:15,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:15,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:15,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:36:15,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:15,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:15,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:36:15,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:15,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:36:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:15,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:15,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:15,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:15,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:15,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:15,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:15,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:15,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:36:15,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:15,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 14:36:15,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650015311] [2020-10-29 14:36:15,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:36:15,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 14:36:15,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654623127] [2020-10-29 14:36:15,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 14:36:15,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:36:15,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 14:36:15,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 14:36:15,140 INFO L87 Difference]: Start difference. First operand 293 states and 397 transitions. Second operand 7 states. [2020-10-29 14:36:17,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:36:17,379 INFO L93 Difference]: Finished difference Result 1031 states and 1486 transitions. [2020-10-29 14:36:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 14:36:17,381 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2020-10-29 14:36:17,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:36:17,394 INFO L225 Difference]: With dead ends: 1031 [2020-10-29 14:36:17,394 INFO L226 Difference]: Without dead ends: 759 [2020-10-29 14:36:17,398 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-29 14:36:17,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2020-10-29 14:36:17,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 565. [2020-10-29 14:36:17,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-10-29 14:36:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 762 transitions. [2020-10-29 14:36:17,569 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 762 transitions. Word has length 79 [2020-10-29 14:36:17,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:36:17,572 INFO L481 AbstractCegarLoop]: Abstraction has 565 states and 762 transitions. [2020-10-29 14:36:17,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 14:36:17,572 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 762 transitions. [2020-10-29 14:36:17,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-29 14:36:17,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:36:17,582 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:36:17,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 14:36:17,582 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:36:17,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:36:17,583 INFO L82 PathProgramCache]: Analyzing trace with hash -2118785032, now seen corresponding path program 1 times [2020-10-29 14:36:17,583 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:36:17,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722167093] [2020-10-29 14:36:17,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:36:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:17,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:17,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:17,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:17,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:18,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:22,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:22,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:36:22,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:36:22,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 14:36:22,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:22,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:36:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:36:22,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-29 14:36:22,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:22,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:22,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:22,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:22,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:22,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:22,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:36:22,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:22,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:22,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:22,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:22,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:36:22,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:22,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:36:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:22,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:22,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:22,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:22,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:22,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:22,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:22,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:22,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:22,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:22,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:36:22,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:22,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:36:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:22,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:22,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:22,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:36:22,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:22,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:22,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:22,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:22,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:22,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:22,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:36:22,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:22,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:36:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:22,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:22,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:22,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:36:22,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:22,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:22,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:22,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:22,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:22,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:22,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:36:22,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 14:36:22,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:36:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:22,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:22,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:22,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:22,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:22,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:36:22,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:22,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:22,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:22,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:36:22,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:36:22,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:22,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:36:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:22,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:22,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:22,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:22,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:22,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:22,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:36:22,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 14:36:22,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:22,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:22,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:36:22,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 14:36:22,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:36:22,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:22,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:22,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:22,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:22,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:22,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:22,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:36:22,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:22,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:22,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:22,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:22,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:22,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:22,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:22,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:22,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:22,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 14:36:22,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:22,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:22,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:36:22,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:23,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:36:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:23,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:23,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:23,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:23,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:36:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:23,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:36:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:23,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:23,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:23,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:23,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:23,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:23,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:23,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 14:36:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:23,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:23,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:36:23,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:36:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-29 14:36:23,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:23,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:36:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-29 14:36:23,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:36:23,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:23,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:36:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:23,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:23,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:36:23,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:36:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-29 14:36:23,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:23,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:36:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 14:36:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:36:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:23,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:23,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:23,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:23,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:36:23,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-29 14:36:23,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:23,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:23,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:36:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:36:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:36:23,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:23,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:23,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:23,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:23,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:23,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:36:23,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:23,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:23,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:23,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:23,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:36:23,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:23,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:23,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:23,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:23,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:23,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:23,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:23,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:36:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:23,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:23,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 14:36:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:23,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:23,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:23,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:23,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:23,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:23,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:23,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:23,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:23,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:23,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:23,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-29 14:36:23,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722167093] [2020-10-29 14:36:23,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:36:23,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 14:36:23,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730716116] [2020-10-29 14:36:23,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 14:36:23,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:36:23,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 14:36:23,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-10-29 14:36:23,625 INFO L87 Difference]: Start difference. First operand 565 states and 762 transitions. Second operand 17 states. [2020-10-29 14:36:29,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:36:29,856 INFO L93 Difference]: Finished difference Result 2179 states and 3138 transitions. [2020-10-29 14:36:29,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-29 14:36:29,857 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 124 [2020-10-29 14:36:29,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:36:29,874 INFO L225 Difference]: With dead ends: 2179 [2020-10-29 14:36:29,874 INFO L226 Difference]: Without dead ends: 1633 [2020-10-29 14:36:29,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=466, Invalid=2186, Unknown=0, NotChecked=0, Total=2652 [2020-10-29 14:36:29,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1633 states. [2020-10-29 14:36:30,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1633 to 1186. [2020-10-29 14:36:30,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2020-10-29 14:36:30,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1561 transitions. [2020-10-29 14:36:30,063 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1561 transitions. Word has length 124 [2020-10-29 14:36:30,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:36:30,064 INFO L481 AbstractCegarLoop]: Abstraction has 1186 states and 1561 transitions. [2020-10-29 14:36:30,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 14:36:30,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1561 transitions. [2020-10-29 14:36:30,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-29 14:36:30,068 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:36:30,068 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:36:30,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 14:36:30,069 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:36:30,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:36:30,069 INFO L82 PathProgramCache]: Analyzing trace with hash -724016997, now seen corresponding path program 1 times [2020-10-29 14:36:30,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:36:30,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1504833092] [2020-10-29 14:36:30,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:36:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:30,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:30,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:30,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:30,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:30,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:30,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:30,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:33,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:36:35,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 14:36:35,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 14:36:35,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:36:35,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:36:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-29 14:36:35,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:35,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:36:35,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:36:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:36:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:35,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:35,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:36:35,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:36:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:36:35,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:35,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:36:35,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:36:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:36:35,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:35,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:36:35,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:36:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:35,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:36:35,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:36:35,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:36:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:35,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:36:35,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 14:36:35,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:35,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:35,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:35,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:35,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:35,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:36:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:35,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:36:35,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:36:35,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:36:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:35,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:36:35,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:36:35,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 14:36:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:36:35,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-29 14:36:35,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-29 14:36:35,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 14:36:35,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:35,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:36:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:36:35,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:36:35,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 14:36:35,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:35,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:36:35,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 14:36:35,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:35,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:35,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:35,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:35,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:35,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:35,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:36:35,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 14:36:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:35,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:35,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:35,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:35,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:35,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:35,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:35,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:35,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:35,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:35,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:35,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-29 14:36:35,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1504833092] [2020-10-29 14:36:35,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:36:35,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:36:35,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201284123] [2020-10-29 14:36:35,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:36:35,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:36:35,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:36:35,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:36:35,561 INFO L87 Difference]: Start difference. First operand 1186 states and 1561 transitions. Second operand 9 states. [2020-10-29 14:36:39,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:36:39,097 INFO L93 Difference]: Finished difference Result 3932 states and 5469 transitions. [2020-10-29 14:36:39,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 14:36:39,098 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-29 14:36:39,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:36:39,121 INFO L225 Difference]: With dead ends: 3932 [2020-10-29 14:36:39,121 INFO L226 Difference]: Without dead ends: 2767 [2020-10-29 14:36:39,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-10-29 14:36:39,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2767 states. [2020-10-29 14:36:39,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2767 to 2288. [2020-10-29 14:36:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2288 states. [2020-10-29 14:36:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 2288 states and 3029 transitions. [2020-10-29 14:36:39,397 INFO L78 Accepts]: Start accepts. Automaton has 2288 states and 3029 transitions. Word has length 124 [2020-10-29 14:36:39,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:36:39,397 INFO L481 AbstractCegarLoop]: Abstraction has 2288 states and 3029 transitions. [2020-10-29 14:36:39,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:36:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 3029 transitions. [2020-10-29 14:36:39,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-29 14:36:39,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:36:39,401 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:36:39,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 14:36:39,402 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:36:39,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:36:39,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1432826936, now seen corresponding path program 1 times [2020-10-29 14:36:39,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:36:39,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591785337] [2020-10-29 14:36:39,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:36:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:39,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:39,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:39,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:39,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:39,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:42,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:36:44,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:36:44,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 14:36:44,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-29 14:36:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-29 14:36:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-29 14:36:44,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:44,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:36:44,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:44,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:44,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:44,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:36:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:44,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:44,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:44,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:44,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:44,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:44,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:36:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:36:44,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:44,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:44,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:44,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:44,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:36:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:36:44,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:36:44,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:44,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:44,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:36:44,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:36:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:44,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:36:44,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:44,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:36:44,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:36:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:44,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:36:44,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:36:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 14:36:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:44,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:36:44,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:36:44,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:44,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:36:44,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:44,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:36:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:36:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:44,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:36:44,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:44,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:44,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:36:44,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:36:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:44,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:36:44,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:44,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:36:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 14:36:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:36:44,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 14:36:44,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:36:44,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:36:44,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 14:36:44,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:36:44,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:36:44,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 14:36:44,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:36:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:36:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 14:36:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:44,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:44,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 14:36:44,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:36:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 14:36:44,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:44,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:36:44,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:44,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:44,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:36:44,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:44,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:44,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:44,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:36:44,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:44,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 14:36:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:44,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:44,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:44,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:44,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:44,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:44,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:44,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:44,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:44,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:44,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:44,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:45,010 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-29 14:36:45,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591785337] [2020-10-29 14:36:45,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:36:45,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:36:45,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063041954] [2020-10-29 14:36:45,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:36:45,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:36:45,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:36:45,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:36:45,014 INFO L87 Difference]: Start difference. First operand 2288 states and 3029 transitions. Second operand 9 states. [2020-10-29 14:36:48,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:36:48,432 INFO L93 Difference]: Finished difference Result 7977 states and 11755 transitions. [2020-10-29 14:36:48,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 14:36:48,432 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-29 14:36:48,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:36:48,482 INFO L225 Difference]: With dead ends: 7977 [2020-10-29 14:36:48,483 INFO L226 Difference]: Without dead ends: 5712 [2020-10-29 14:36:48,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2020-10-29 14:36:48,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5712 states. [2020-10-29 14:36:49,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5712 to 4531. [2020-10-29 14:36:49,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4531 states. [2020-10-29 14:36:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4531 states to 4531 states and 6171 transitions. [2020-10-29 14:36:49,105 INFO L78 Accepts]: Start accepts. Automaton has 4531 states and 6171 transitions. Word has length 124 [2020-10-29 14:36:49,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:36:49,105 INFO L481 AbstractCegarLoop]: Abstraction has 4531 states and 6171 transitions. [2020-10-29 14:36:49,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:36:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 4531 states and 6171 transitions. [2020-10-29 14:36:49,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-29 14:36:49,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:36:49,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:36:49,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 14:36:49,113 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:36:49,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:36:49,114 INFO L82 PathProgramCache]: Analyzing trace with hash -709033542, now seen corresponding path program 1 times [2020-10-29 14:36:49,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:36:49,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607072972] [2020-10-29 14:36:49,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:36:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:49,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:49,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:49,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:49,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:49,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:50,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:36:51,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:36:51,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1894 [2020-10-29 14:36:51,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:36:51,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:36:51,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 14:36:51,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:51,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:36:51,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:51,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:36:51,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:36:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:51,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:51,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:51,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:51,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:36:51,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:36:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:36:51,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:51,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:51,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:36:51,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:36:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:36:51,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:51,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:36:51,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:36:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:51,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:36:51,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:51,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:36:51,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:36:51,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:36:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:51,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:36:51,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-29 14:36:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:51,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:51,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:51,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:51,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:51,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:51,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:51,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:51,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:51,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 14:36:51,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:36:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:51,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:51,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:36:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:51,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:36:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:51,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:51,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:51,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:51,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:51,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 14:36:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:36:51,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:36:51,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-29 14:36:51,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:51,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:36:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:36:51,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:51,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:51,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:51,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:51,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:51,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:51,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:51,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:51,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:51,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:51,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:51,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:51,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:51,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:51,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:51,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:51,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:51,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 14:36:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:51,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:51,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:51,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:51,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:51,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:51,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:51,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:51,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:51,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:51,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:51,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:51,401 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-29 14:36:51,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607072972] [2020-10-29 14:36:51,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:36:51,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:36:51,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433932130] [2020-10-29 14:36:51,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:36:51,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:36:51,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:36:51,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:36:51,405 INFO L87 Difference]: Start difference. First operand 4531 states and 6171 transitions. Second operand 10 states. [2020-10-29 14:36:53,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:36:53,694 INFO L93 Difference]: Finished difference Result 10608 states and 14989 transitions. [2020-10-29 14:36:53,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 14:36:53,695 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 124 [2020-10-29 14:36:53,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:36:53,746 INFO L225 Difference]: With dead ends: 10608 [2020-10-29 14:36:53,746 INFO L226 Difference]: Without dead ends: 6099 [2020-10-29 14:36:53,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-10-29 14:36:53,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6099 states. [2020-10-29 14:36:54,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6099 to 5291. [2020-10-29 14:36:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5291 states. [2020-10-29 14:36:54,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5291 states to 5291 states and 6799 transitions. [2020-10-29 14:36:54,386 INFO L78 Accepts]: Start accepts. Automaton has 5291 states and 6799 transitions. Word has length 124 [2020-10-29 14:36:54,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:36:54,386 INFO L481 AbstractCegarLoop]: Abstraction has 5291 states and 6799 transitions. [2020-10-29 14:36:54,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:36:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 5291 states and 6799 transitions. [2020-10-29 14:36:54,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-29 14:36:54,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:36:54,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:36:54,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 14:36:54,393 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:36:54,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:36:54,394 INFO L82 PathProgramCache]: Analyzing trace with hash 221112570, now seen corresponding path program 1 times [2020-10-29 14:36:54,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:36:54,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [459341611] [2020-10-29 14:36:54,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:36:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:54,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:54,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:55,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:36:56,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:36:56,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1611 [2020-10-29 14:36:56,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:36:56,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:36:56,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-29 14:36:56,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:56,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:56,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:36:56,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:56,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:56,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:36:56,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:56,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:36:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:56,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:56,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:56,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:56,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:36:56,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:56,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:36:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:36:56,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:56,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:56,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:56,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:36:56,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:56,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:36:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:36:56,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:56,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:56,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:56,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:36:56,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:56,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:36:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:56,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:36:56,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:36:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:36:56,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:56,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:36:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:56,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:36:56,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-29 14:36:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:56,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:56,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:56,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:56,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:56,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:56,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:56,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:56,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:56,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:56,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:56,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:56,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:36:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:56,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:56,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:56,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:36:56,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:56,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:56,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:36:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:56,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:56,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:56,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:56,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 14:36:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:36:56,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 14:36:56,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:56,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-29 14:36:56,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:56,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:56,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:36:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:36:56,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:36:56,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:56,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:56,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:56,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:56,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:56,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:36:56,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:56,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:56,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:56,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:56,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:56,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:56,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:56,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:56,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:56,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:56,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:56,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:56,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:56,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 14:36:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:56,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:56,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:56,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:56,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:56,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:56,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:56,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:56,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:56,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:56,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:56,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-29 14:36:56,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [459341611] [2020-10-29 14:36:56,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:36:56,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 14:36:56,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412089108] [2020-10-29 14:36:56,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:36:56,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:36:56,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:36:56,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:36:56,445 INFO L87 Difference]: Start difference. First operand 5291 states and 6799 transitions. Second operand 10 states. [2020-10-29 14:36:58,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:36:58,317 INFO L93 Difference]: Finished difference Result 5912 states and 7620 transitions. [2020-10-29 14:36:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 14:36:58,318 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 124 [2020-10-29 14:36:58,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:36:58,340 INFO L225 Difference]: With dead ends: 5912 [2020-10-29 14:36:58,340 INFO L226 Difference]: Without dead ends: 2851 [2020-10-29 14:36:58,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-29 14:36:58,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2851 states. [2020-10-29 14:36:58,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2851 to 2451. [2020-10-29 14:36:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2451 states. [2020-10-29 14:36:58,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2451 states and 3098 transitions. [2020-10-29 14:36:58,650 INFO L78 Accepts]: Start accepts. Automaton has 2451 states and 3098 transitions. Word has length 124 [2020-10-29 14:36:58,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:36:58,650 INFO L481 AbstractCegarLoop]: Abstraction has 2451 states and 3098 transitions. [2020-10-29 14:36:58,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:36:58,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 3098 transitions. [2020-10-29 14:36:58,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-29 14:36:58,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:36:58,654 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:36:58,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 14:36:58,654 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:36:58,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:36:58,655 INFO L82 PathProgramCache]: Analyzing trace with hash 738328634, now seen corresponding path program 1 times [2020-10-29 14:36:58,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:36:58,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701636947] [2020-10-29 14:36:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:36:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:58,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:58,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:36:59,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:36:59,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 804 [2020-10-29 14:36:59,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 14:36:59,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 14:36:59,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 14:36:59,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:59,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 14:36:59,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:36:59,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:36:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:36:59,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:59,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:59,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:36:59,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:36:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:36:59,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:59,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:36:59,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:36:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:36:59,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:59,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:36:59,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 14:36:59,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:36:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:59,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:36:59,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:36:59,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:36:59,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 14:36:59,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:36:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:59,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:36:59,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-29 14:36:59,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:59,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:59,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:59,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:59,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:36:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:59,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:36:59,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:36:59,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:36:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:59,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:59,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:59,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 14:36:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:36:59,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:36:59,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-29 14:36:59,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:36:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:36:59,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:36:59,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:36:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:36:59,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:36:59,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:36:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:59,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:59,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:36:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:36:59,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:59,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:36:59,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:36:59,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 14:36:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:36:59,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:36:59,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:36:59,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:36:59,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:36:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:36:59,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:36:59,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:36:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:36:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:36:59,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:36:59,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:36:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-29 14:36:59,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701636947] [2020-10-29 14:36:59,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:36:59,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-29 14:36:59,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461303442] [2020-10-29 14:36:59,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 14:36:59,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:36:59,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 14:36:59,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-29 14:36:59,926 INFO L87 Difference]: Start difference. First operand 2451 states and 3098 transitions. Second operand 11 states. [2020-10-29 14:37:02,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:02,434 INFO L93 Difference]: Finished difference Result 5266 states and 7208 transitions. [2020-10-29 14:37:02,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 14:37:02,442 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 124 [2020-10-29 14:37:02,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:02,462 INFO L225 Difference]: With dead ends: 5266 [2020-10-29 14:37:02,463 INFO L226 Difference]: Without dead ends: 2845 [2020-10-29 14:37:02,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2020-10-29 14:37:02,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2845 states. [2020-10-29 14:37:02,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2845 to 2471. [2020-10-29 14:37:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2471 states. [2020-10-29 14:37:02,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 2471 states and 3034 transitions. [2020-10-29 14:37:02,819 INFO L78 Accepts]: Start accepts. Automaton has 2471 states and 3034 transitions. Word has length 124 [2020-10-29 14:37:02,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:02,820 INFO L481 AbstractCegarLoop]: Abstraction has 2471 states and 3034 transitions. [2020-10-29 14:37:02,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 14:37:02,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 3034 transitions. [2020-10-29 14:37:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-29 14:37:02,823 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:02,823 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:37:02,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 14:37:02,824 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:02,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:02,824 INFO L82 PathProgramCache]: Analyzing trace with hash -491912966, now seen corresponding path program 1 times [2020-10-29 14:37:02,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:02,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863131423] [2020-10-29 14:37:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:02,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:02,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:02,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-29 14:37:02,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 14:37:02,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 14:37:02,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:02,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:02,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:02,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 14:37:02,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:37:02,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:03,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:37:03,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:03,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:03,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:03,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:37:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:03,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:03,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:03,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:03,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:37:03,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:03,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:37:03,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:03,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 14:37:03,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:37:03,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:37:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:03,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:03,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:37:03,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:37:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:03,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:03,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-29 14:37:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:03,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:03,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:03,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:03,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:03,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:03,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:37:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:03,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:03,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 14:37:03,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:37:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:03,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:03,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:03,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 14:37:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:37:03,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:37:03,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-29 14:37:03,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:37:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:37:03,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:03,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:03,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:03,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:03,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:03,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:03,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:03,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:03,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:03,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:03,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 14:37:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:03,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:03,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:03,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:03,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:03,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:03,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:03,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:03,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-29 14:37:03,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863131423] [2020-10-29 14:37:03,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:37:03,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:37:03,306 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339827732] [2020-10-29 14:37:03,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:37:03,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:03,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:37:03,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:37:03,313 INFO L87 Difference]: Start difference. First operand 2471 states and 3034 transitions. Second operand 9 states. [2020-10-29 14:37:04,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:04,820 INFO L93 Difference]: Finished difference Result 4532 states and 5638 transitions. [2020-10-29 14:37:04,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 14:37:04,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 124 [2020-10-29 14:37:04,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:04,833 INFO L225 Difference]: With dead ends: 4532 [2020-10-29 14:37:04,833 INFO L226 Difference]: Without dead ends: 2111 [2020-10-29 14:37:04,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-29 14:37:04,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2020-10-29 14:37:05,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1941. [2020-10-29 14:37:05,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2020-10-29 14:37:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2378 transitions. [2020-10-29 14:37:05,121 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2378 transitions. Word has length 124 [2020-10-29 14:37:05,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:05,122 INFO L481 AbstractCegarLoop]: Abstraction has 1941 states and 2378 transitions. [2020-10-29 14:37:05,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:37:05,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2378 transitions. [2020-10-29 14:37:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-29 14:37:05,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:05,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:37:05,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 14:37:05,125 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:05,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:05,126 INFO L82 PathProgramCache]: Analyzing trace with hash -425217590, now seen corresponding path program 1 times [2020-10-29 14:37:05,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:05,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220892288] [2020-10-29 14:37:05,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-29 14:37:05,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:37:05,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 14:37:05,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-10-29 14:37:05,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:37:05,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:05,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:37:05,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 14:37:05,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:05,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:05,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:05,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:05,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:37:05,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:05,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:05,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:37:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:05,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:05,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:37:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:05,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:05,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:05,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:05,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:05,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:05,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:37:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:05,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:05,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:37:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:05,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:05,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 14:37:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:37:05,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 14:37:05,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 14:37:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:37:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:37:05,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:05,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:05,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:05,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:05,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:05,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:05,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:05,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:05,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:05,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:05,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:05,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:05,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:05,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 14:37:05,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 14:37:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:05,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:05,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:05,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:05,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:37:05,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:05,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:05,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-29 14:37:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:37:05,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 14:37:05,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220892288] [2020-10-29 14:37:05,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 14:37:05,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 14:37:05,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994827027] [2020-10-29 14:37:05,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:37:05,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:05,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:37:05,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:37:05,604 INFO L87 Difference]: Start difference. First operand 1941 states and 2378 transitions. Second operand 9 states. [2020-10-29 14:37:08,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:08,678 INFO L93 Difference]: Finished difference Result 5178 states and 6685 transitions. [2020-10-29 14:37:08,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 14:37:08,679 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 125 [2020-10-29 14:37:08,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:08,733 INFO L225 Difference]: With dead ends: 5178 [2020-10-29 14:37:08,734 INFO L226 Difference]: Without dead ends: 2533 [2020-10-29 14:37:08,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-10-29 14:37:08,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2020-10-29 14:37:08,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2369. [2020-10-29 14:37:08,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2369 states. [2020-10-29 14:37:08,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2369 states and 2907 transitions. [2020-10-29 14:37:08,994 INFO L78 Accepts]: Start accepts. Automaton has 2369 states and 2907 transitions. Word has length 125 [2020-10-29 14:37:08,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:08,994 INFO L481 AbstractCegarLoop]: Abstraction has 2369 states and 2907 transitions. [2020-10-29 14:37:08,994 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:37:08,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 2907 transitions. [2020-10-29 14:37:08,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-29 14:37:08,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:08,999 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 14:37:08,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 14:37:09,000 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:09,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:09,000 INFO L82 PathProgramCache]: Analyzing trace with hash -279366562, now seen corresponding path program 1 times [2020-10-29 14:37:09,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:09,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [386682986] [2020-10-29 14:37:09,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:09,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:09,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:09,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:09,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:09,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:09,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:09,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:09,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:09,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-29 14:37:14,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 14:37:14,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 14:37:14,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:37:14,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-29 14:37:14,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 14:37:14,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:14,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:14,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 14:37:14,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:14,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:14,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:14,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:14,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:37:14,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:14,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:37:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:14,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:14,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:37:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:14,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:14,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:14,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:14,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:14,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:14,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:37:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:14,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:14,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:37:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:14,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:14,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:37:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:14,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 14:37:14,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:37:14,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 14:37:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:14,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:37:14,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:14,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:37:14,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 14:37:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:37:14,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:37:14,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 14:37:14,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:14,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 14:37:14,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:37:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:37:14,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:37:14,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:14,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:14,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:14,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:14,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:14,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:14,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:14,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 14:37:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-29 14:37:14,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:37:14,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 14:37:14,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:37:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:37:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 14:37:14,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 14:37:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:37:14,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 14:37:14,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 14:37:14,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 14:37:14,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:14,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:37:14,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:14,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 14:37:14,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:14,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:14,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 14:37:14,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:14,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:14,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:14,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:14,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-29 14:37:14,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-29 14:37:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:14,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:14,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:14,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:14,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:14,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:14,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:14,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:14,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:14,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:14,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:14,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-29 14:37:14,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [386682986] [2020-10-29 14:37:14,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:37:14,682 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 14:37:14,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122309148] [2020-10-29 14:37:14,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 14:37:14,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:14,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 14:37:14,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-29 14:37:14,684 INFO L87 Difference]: Start difference. First operand 2369 states and 2907 transitions. Second operand 12 states. [2020-10-29 14:37:14,841 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-10-29 14:37:17,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:17,944 INFO L93 Difference]: Finished difference Result 4496 states and 5904 transitions. [2020-10-29 14:37:17,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-29 14:37:17,945 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 177 [2020-10-29 14:37:17,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:17,959 INFO L225 Difference]: With dead ends: 4496 [2020-10-29 14:37:17,959 INFO L226 Difference]: Without dead ends: 2611 [2020-10-29 14:37:17,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=143, Invalid=457, Unknown=0, NotChecked=0, Total=600 [2020-10-29 14:37:17,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2020-10-29 14:37:18,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2443. [2020-10-29 14:37:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2443 states. [2020-10-29 14:37:18,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 2443 states and 2967 transitions. [2020-10-29 14:37:18,301 INFO L78 Accepts]: Start accepts. Automaton has 2443 states and 2967 transitions. Word has length 177 [2020-10-29 14:37:18,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:18,302 INFO L481 AbstractCegarLoop]: Abstraction has 2443 states and 2967 transitions. [2020-10-29 14:37:18,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 14:37:18,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 2967 transitions. [2020-10-29 14:37:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-10-29 14:37:18,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:18,307 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, 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] [2020-10-29 14:37:18,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 14:37:18,307 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:18,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:18,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1043732283, now seen corresponding path program 1 times [2020-10-29 14:37:18,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:18,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40177871] [2020-10-29 14:37:18,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:18,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:18,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:18,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:18,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:18,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-29 14:37:20,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 14:37:20,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2298 [2020-10-29 14:37:20,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 14:37:20,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-29 14:37:20,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-29 14:37:20,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:20,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:20,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:20,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:20,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:20,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:20,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:37:20,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:20,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:37:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:20,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:20,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:37:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:20,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:20,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:20,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:20,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:20,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:20,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:37:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:20,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:20,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:37:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:20,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:20,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:37:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:20,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:20,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 14:37:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:20,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:20,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 14:37:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:37:20,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 14:37:20,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:20,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 14:37:20,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:37:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:37:20,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:37:20,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 14:37:20,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:20,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:20,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:20,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:20,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:20,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:20,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:20,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:20,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 14:37:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:20,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:20,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:20,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 14:37:20,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:20,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 14:37:20,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:20,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:20,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 14:37:20,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:37:20,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 14:37:20,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:21,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 14:37:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:21,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:21,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:21,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 14:37:21,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:21,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:37:21,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:21,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:21,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-29 14:37:21,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:21,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:21,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:21,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:21,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:37:21,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:21,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:21,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:21,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:21,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:21,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:21,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:21,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:21,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:21,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:21,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:21,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:21,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:21,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:21,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:21,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:21,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:21,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:21,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:21,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:21,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:21,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:21,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:21,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:21,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:21,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:21,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:21,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:21,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-29 14:37:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:21,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:21,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:21,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:21,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:21,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:21,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:21,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:21,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:21,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:21,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:37:21,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:21,111 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-29 14:37:21,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40177871] [2020-10-29 14:37:21,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:37:21,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 14:37:21,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223423299] [2020-10-29 14:37:21,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 14:37:21,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:21,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 14:37:21,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-10-29 14:37:21,114 INFO L87 Difference]: Start difference. First operand 2443 states and 2967 transitions. Second operand 12 states. [2020-10-29 14:37:25,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:25,140 INFO L93 Difference]: Finished difference Result 5268 states and 6960 transitions. [2020-10-29 14:37:25,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-29 14:37:25,140 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 178 [2020-10-29 14:37:25,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:25,169 INFO L225 Difference]: With dead ends: 5268 [2020-10-29 14:37:25,170 INFO L226 Difference]: Without dead ends: 5264 [2020-10-29 14:37:25,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2020-10-29 14:37:25,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5264 states. [2020-10-29 14:37:25,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5264 to 4973. [2020-10-29 14:37:25,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4973 states. [2020-10-29 14:37:25,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4973 states to 4973 states and 6487 transitions. [2020-10-29 14:37:25,815 INFO L78 Accepts]: Start accepts. Automaton has 4973 states and 6487 transitions. Word has length 178 [2020-10-29 14:37:25,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:25,815 INFO L481 AbstractCegarLoop]: Abstraction has 4973 states and 6487 transitions. [2020-10-29 14:37:25,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 14:37:25,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4973 states and 6487 transitions. [2020-10-29 14:37:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-29 14:37:25,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:25,822 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, 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] [2020-10-29 14:37:25,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 14:37:25,822 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:25,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:25,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1245915923, now seen corresponding path program 1 times [2020-10-29 14:37:25,823 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:25,823 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689835266] [2020-10-29 14:37:25,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:25,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:25,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:25,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:25,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:26,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-29 14:37:26,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 14:37:26,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1008 [2020-10-29 14:37:26,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:26,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:26,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 14:37:26,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-29 14:37:26,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 14:37:26,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:26,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:26,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:26,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:26,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:26,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:37:26,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:26,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:26,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:26,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:26,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:26,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:26,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:26,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:26,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:26,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:26,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:26,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:26,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:26,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:26,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:26,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:26,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:26,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:26,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:26,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:26,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:26,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:26,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:37:26,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:26,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:26,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:26,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 14:37:26,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:26,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:37:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:26,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:26,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:26,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:26,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:26,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:26,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:26,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:26,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:26,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:26,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:37:26,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:26,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:37:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:27,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:37:27,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 14:37:27,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 14:37:27,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-29 14:37:27,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:27,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:27,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:37:27,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:27,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:27,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:27,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:37:27,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:37:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:27,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:27,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:27,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:37:27,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:37:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:27,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:37:27,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:27,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:27,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 14:37:27,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 14:37:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:27,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:27,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:27,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-29 14:37:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:27,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:27,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-29 14:37:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:37:27,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 14:37:27,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-29 14:37:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:37:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:37:27,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:27,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:27,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:27,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:27,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:27,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:27,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:27,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-29 14:37:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 14:37:27,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:37:27,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-29 14:37:27,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 14:37:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 14:37:27,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:27,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:37:27,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:27,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:27,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:27,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:27,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:27,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:27,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-29 14:37:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:27,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:27,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:27,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:27,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:27,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:27,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 12 proven. 16 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-29 14:37:27,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689835266] [2020-10-29 14:37:27,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:37:27,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 14:37:27,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698386776] [2020-10-29 14:37:27,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 14:37:27,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:27,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 14:37:27,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-29 14:37:27,210 INFO L87 Difference]: Start difference. First operand 4973 states and 6487 transitions. Second operand 10 states. [2020-10-29 14:37:29,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:29,916 INFO L93 Difference]: Finished difference Result 10340 states and 14641 transitions. [2020-10-29 14:37:29,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-29 14:37:29,916 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 182 [2020-10-29 14:37:29,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:29,943 INFO L225 Difference]: With dead ends: 10340 [2020-10-29 14:37:29,943 INFO L226 Difference]: Without dead ends: 5417 [2020-10-29 14:37:29,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-10-29 14:37:29,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5417 states. [2020-10-29 14:37:30,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5417 to 5071. [2020-10-29 14:37:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5071 states. [2020-10-29 14:37:30,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 6475 transitions. [2020-10-29 14:37:30,575 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 6475 transitions. Word has length 182 [2020-10-29 14:37:30,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:30,575 INFO L481 AbstractCegarLoop]: Abstraction has 5071 states and 6475 transitions. [2020-10-29 14:37:30,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 14:37:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 6475 transitions. [2020-10-29 14:37:30,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-29 14:37:30,581 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:30,581 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, 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] [2020-10-29 14:37:30,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-29 14:37:30,581 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:30,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:30,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1563596695, now seen corresponding path program 1 times [2020-10-29 14:37:30,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:30,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [535616219] [2020-10-29 14:37:30,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:30,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:30,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-29 14:37:30,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 14:37:30,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-29 14:37:30,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:30,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:30,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:30,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-29 14:37:30,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 14:37:30,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:30,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:30,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:30,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:30,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:30,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:37:30,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:30,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:30,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:30,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:30,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:30,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:30,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:30,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:30,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:30,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:30,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:30,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:30,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:30,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:30,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:30,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:30,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:30,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:30,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:30,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:30,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:30,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:30,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:37:30,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:30,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:30,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:30,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:30,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:30,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:30,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:37:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:30,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:30,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:30,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:30,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:30,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:30,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:30,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:30,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:37:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:30,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:30,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:30,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:30,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:30,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:30,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:30,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:30,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:30,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:30,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:30,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:30,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:30,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:30,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:30,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:30,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:30,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:30,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:30,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:30,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:30,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:30,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:30,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:30,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:30,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:30,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:30,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:30,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:30,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:30,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:30,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:30,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:30,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:37:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:30,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:30,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:30,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:30,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:30,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:30,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:30,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:30,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:37:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:30,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:30,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:30,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:30,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:30,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:30,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:30,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:30,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:30,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:30,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:30,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 14:37:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:37:31,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 14:37:31,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:37:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:37:31,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:31,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:31,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:31,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:31,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:31,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:31,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:31,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 14:37:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:31,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:31,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:37:31,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-29 14:37:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:31,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:37:31,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:31,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:31,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 14:37:31,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 14:37:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 14:37:31,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 14:37:31,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-29 14:37:31,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 14:37:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 14:37:31,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 14:37:31,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:37:31,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:31,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:31,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:31,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:31,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:31,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:31,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-29 14:37:31,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:31,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:31,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:31,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:31,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:31,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:31,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:31,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 14:37:31,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:31,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:31,155 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-29 14:37:31,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [535616219] [2020-10-29 14:37:31,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:37:31,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 14:37:31,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81385767] [2020-10-29 14:37:31,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:37:31,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:31,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:37:31,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:37:31,157 INFO L87 Difference]: Start difference. First operand 5071 states and 6475 transitions. Second operand 9 states. [2020-10-29 14:37:33,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:33,455 INFO L93 Difference]: Finished difference Result 6328 states and 8163 transitions. [2020-10-29 14:37:33,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 14:37:33,456 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 183 [2020-10-29 14:37:33,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:33,462 INFO L225 Difference]: With dead ends: 6328 [2020-10-29 14:37:33,463 INFO L226 Difference]: Without dead ends: 1126 [2020-10-29 14:37:33,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2020-10-29 14:37:33,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-29 14:37:33,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1072. [2020-10-29 14:37:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-10-29 14:37:33,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1210 transitions. [2020-10-29 14:37:33,590 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1210 transitions. Word has length 183 [2020-10-29 14:37:33,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:33,591 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1210 transitions. [2020-10-29 14:37:33,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:37:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1210 transitions. [2020-10-29 14:37:33,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-29 14:37:33,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:33,593 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, 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] [2020-10-29 14:37:33,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-29 14:37:33,593 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:33,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:33,594 INFO L82 PathProgramCache]: Analyzing trace with hash 54468076, now seen corresponding path program 1 times [2020-10-29 14:37:33,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:33,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1577906609] [2020-10-29 14:37:33,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-29 14:37:33,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 14:37:33,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-29 14:37:33,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 14:37:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 232 [2020-10-29 14:37:33,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 14:37:33,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:33,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:33,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 14:37:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 14:37:33,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 14:37:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 14:37:33,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:33,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 14:37:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 14:37:33,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-29 14:37:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:33,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:33,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 14:37:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:33,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:33,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:33,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:33,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 14:37:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:33,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 14:37:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:33,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-29 14:37:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:33,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-29 14:37:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:33,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 14:37:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-29 14:37:33,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:33,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-29 14:37:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-29 14:37:33,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:33,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-29 14:37:33,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:33,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:33,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 14:37:33,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:33,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:33,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:33,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:33,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:33,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:33,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:33,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:33,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:33,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:33,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:33,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-29 14:37:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:33,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-29 14:37:34,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 14:37:34,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:34,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-29 14:37:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-29 14:37:34,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:34,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:34,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 14:37:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 14:37:34,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 14:37:34,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 14:37:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 14:37:34,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:34,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-29 14:37:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 14:37:34,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:34,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:34,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-29 14:37:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 14:37:34,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 14:37:34,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 14:37:34,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 14:37:34,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 14:37:34,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 14:37:34,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 14:37:34,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 14:37:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 14:37:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 14:37:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 14:37:34,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 14:37:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-29 14:37:34,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1577906609] [2020-10-29 14:37:34,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 14:37:34,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 14:37:34,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669064262] [2020-10-29 14:37:34,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 14:37:34,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 14:37:34,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 14:37:34,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-29 14:37:34,074 INFO L87 Difference]: Start difference. First operand 1072 states and 1210 transitions. Second operand 9 states. [2020-10-29 14:37:35,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 14:37:35,342 INFO L93 Difference]: Finished difference Result 1788 states and 2072 transitions. [2020-10-29 14:37:35,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 14:37:35,343 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 183 [2020-10-29 14:37:35,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 14:37:35,348 INFO L225 Difference]: With dead ends: 1788 [2020-10-29 14:37:35,348 INFO L226 Difference]: Without dead ends: 1140 [2020-10-29 14:37:35,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2020-10-29 14:37:35,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2020-10-29 14:37:35,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1086. [2020-10-29 14:37:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1086 states. [2020-10-29 14:37:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1228 transitions. [2020-10-29 14:37:35,460 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1228 transitions. Word has length 183 [2020-10-29 14:37:35,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 14:37:35,460 INFO L481 AbstractCegarLoop]: Abstraction has 1086 states and 1228 transitions. [2020-10-29 14:37:35,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 14:37:35,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1228 transitions. [2020-10-29 14:37:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-29 14:37:35,462 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 14:37:35,462 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, 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] [2020-10-29 14:37:35,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-29 14:37:35,462 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 14:37:35,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 14:37:35,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1140527567, now seen corresponding path program 1 times [2020-10-29 14:37:35,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 14:37:35,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216767254] [2020-10-29 14:37:35,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 14:37:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-29 14:37:35,483 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-29 14:37:35,483 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-29 14:37:35,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-29 14:37:35,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 02:37:35 BoogieIcfgContainer [2020-10-29 14:37:35,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 14:37:35,525 INFO L168 Benchmark]: Toolchain (without parser) took 97943.93 ms. Allocated memory was 153.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 108.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 116.5 MB. Max. memory is 8.0 GB. [2020-10-29 14:37:35,525 INFO L168 Benchmark]: CDTParser took 1.42 ms. Allocated memory is still 153.1 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 14:37:35,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 461.06 ms. Allocated memory is still 153.1 MB. Free memory was 108.1 MB in the beginning and 135.4 MB in the end (delta: -27.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 8.0 GB. [2020-10-29 14:37:35,526 INFO L168 Benchmark]: Boogie Preprocessor took 151.89 ms. Allocated memory is still 153.1 MB. Free memory was 135.4 MB in the beginning and 134.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.2 MB. Max. memory is 8.0 GB. [2020-10-29 14:37:35,527 INFO L168 Benchmark]: RCFGBuilder took 1188.16 ms. Allocated memory is still 153.1 MB. Free memory was 134.1 MB in the beginning and 101.4 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. [2020-10-29 14:37:35,527 INFO L168 Benchmark]: TraceAbstraction took 96124.96 ms. Allocated memory was 153.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 100.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 108.7 MB. Max. memory is 8.0 GB. [2020-10-29 14:37:35,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 ms. Allocated memory is still 153.1 MB. Free memory is still 125.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 461.06 ms. Allocated memory is still 153.1 MB. Free memory was 108.1 MB in the beginning and 135.4 MB in the end (delta: -27.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 151.89 ms. Allocated memory is still 153.1 MB. Free memory was 135.4 MB in the beginning and 134.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1188.16 ms. Allocated memory is still 153.1 MB. Free memory was 134.1 MB in the beginning and 101.4 MB in the end (delta: 32.7 MB). Peak memory consumption was 32.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 96124.96 ms. Allocated memory was 153.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 100.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 108.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] int m_pc = 0; [L17] int t1_pc = 0; [L18] int m_st ; [L19] int t1_st ; [L20] int m_i ; [L21] int t1_i ; [L22] int M_E = 2; [L23] int T1_E = 2; [L24] int E_M = 2; [L25] int E_1 = 2; [L29] int token ; [L31] int local ; [L477] int __retres1 ; [L481] CALL init_model() [L392] m_i = 1 [L393] t1_i = 1 [L481] RET init_model() [L482] CALL start_simulation() [L418] int kernel_st ; [L419] int tmp ; [L420] int tmp___0 ; [L424] kernel_st = 0 [L425] FCALL update_channels() [L426] CALL init_threads() [L174] COND TRUE m_i == 1 [L175] m_st = 0 [L179] COND TRUE t1_i == 1 [L180] t1_st = 0 [L426] RET init_threads() [L427] CALL fire_delta_events() [L263] COND FALSE !(M_E == 0) [L268] COND FALSE !(T1_E == 0) [L273] COND FALSE !(E_M == 0) [L278] COND FALSE !(E_1 == 0) [L427] RET fire_delta_events() [L428] CALL activate_threads() [L316] int tmp ; [L317] int tmp___0 ; [L321] CALL, EXPR is_master_triggered() [L125] int __retres1 ; [L128] COND FALSE !(m_pc == 1) [L138] __retres1 = 0 [L140] return (__retres1); [L321] RET, EXPR is_master_triggered() [L321] tmp = is_master_triggered() [L323] COND FALSE !(\read(tmp)) [L329] CALL, EXPR is_transmit1_triggered() [L144] int __retres1 ; [L147] COND FALSE !(t1_pc == 1) [L157] __retres1 = 0 [L159] return (__retres1); [L329] RET, EXPR is_transmit1_triggered() [L329] tmp___0 = is_transmit1_triggered() [L331] COND FALSE !(\read(tmp___0)) [L428] RET activate_threads() [L429] CALL reset_delta_events() [L291] COND FALSE !(M_E == 1) [L296] COND FALSE !(T1_E == 1) [L301] COND FALSE !(E_M == 1) [L306] COND FALSE !(E_1 == 1) [L429] RET reset_delta_events() [L432] COND TRUE 1 [L435] kernel_st = 1 [L436] CALL eval() [L210] int tmp ; [L214] COND TRUE 1 [L217] CALL, EXPR exists_runnable_thread() [L189] int __retres1 ; [L192] COND TRUE m_st == 0 [L193] __retres1 = 1 [L205] return (__retres1); [L217] RET, EXPR exists_runnable_thread() [L217] tmp = exists_runnable_thread() [L219] COND TRUE \read(tmp) [L224] COND TRUE m_st == 0 [L225] int tmp_ndt_1; [L226] tmp_ndt_1 = __VERIFIER_nondet_int() [L227] COND FALSE !(\read(tmp_ndt_1)) [L238] COND TRUE t1_st == 0 [L239] int tmp_ndt_2; [L240] tmp_ndt_2 = __VERIFIER_nondet_int() [L241] COND TRUE \read(tmp_ndt_2) [L243] t1_st = 1 [L244] CALL transmit1() [L92] COND TRUE t1_pc == 0 [L103] COND TRUE 1 [L105] t1_pc = 1 [L106] t1_st = 2 [L244] RET transmit1() [L214] COND TRUE 1 [L217] CALL, EXPR exists_runnable_thread() [L189] int __retres1 ; [L192] COND TRUE m_st == 0 [L193] __retres1 = 1 [L205] return (__retres1); [L217] RET, EXPR exists_runnable_thread() [L217] tmp = exists_runnable_thread() [L219] COND TRUE \read(tmp) [L224] COND TRUE m_st == 0 [L225] int tmp_ndt_1; [L226] tmp_ndt_1 = __VERIFIER_nondet_int() [L227] COND TRUE \read(tmp_ndt_1) [L229] m_st = 1 [L230] CALL master() [L34] int tmp_var = __VERIFIER_nondet_int(); [L36] COND TRUE m_pc == 0 [L47] COND TRUE 1 [L50] token = __VERIFIER_nondet_int() [L51] local = token [L52] E_1 = 1 [L53] CALL immediate_notify() [L345] CALL activate_threads() [L316] int tmp ; [L317] int tmp___0 ; [L321] CALL, EXPR is_master_triggered() [L125] int __retres1 ; [L128] COND FALSE !(m_pc == 1) [L138] __retres1 = 0 [L140] return (__retres1); [L321] RET, EXPR is_master_triggered() [L321] tmp = is_master_triggered() [L323] COND FALSE !(\read(tmp)) [L329] CALL, EXPR is_transmit1_triggered() [L144] int __retres1 ; [L147] COND TRUE t1_pc == 1 [L148] COND TRUE E_1 == 1 [L149] __retres1 = 1 [L159] return (__retres1); [L329] RET, EXPR is_transmit1_triggered() [L329] tmp___0 = is_transmit1_triggered() [L331] COND TRUE \read(tmp___0) [L332] t1_st = 0 [L345] RET activate_threads() [L53] RET immediate_notify() [L54] E_1 = 2 [L55] m_pc = 1 [L56] m_st = 2 [L230] RET master() [L238] COND TRUE t1_st == 0 [L239] int tmp_ndt_2; [L240] tmp_ndt_2 = __VERIFIER_nondet_int() [L241] COND TRUE \read(tmp_ndt_2) [L243] t1_st = 1 [L244] CALL transmit1() [L92] COND FALSE !(t1_pc == 0) [L95] COND TRUE t1_pc == 1 [L111] token += 1 [L112] E_M = 1 [L113] CALL immediate_notify() [L345] CALL activate_threads() [L316] int tmp ; [L317] int tmp___0 ; [L321] CALL, EXPR is_master_triggered() [L125] int __retres1 ; [L128] COND TRUE m_pc == 1 [L129] COND TRUE E_M == 1 [L130] __retres1 = 1 [L140] return (__retres1); [L321] RET, EXPR is_master_triggered() [L321] tmp = is_master_triggered() [L323] COND TRUE \read(tmp) [L324] m_st = 0 [L329] CALL, EXPR is_transmit1_triggered() [L144] int __retres1 ; [L147] COND TRUE t1_pc == 1 [L148] COND FALSE !(E_1 == 1) [L157] __retres1 = 0 [L159] return (__retres1); [L329] RET, EXPR is_transmit1_triggered() [L329] tmp___0 = is_transmit1_triggered() [L331] COND FALSE !(\read(tmp___0)) [L345] RET activate_threads() [L113] RET immediate_notify() [L114] E_M = 2 [L103] COND TRUE 1 [L105] t1_pc = 1 [L106] t1_st = 2 [L244] RET transmit1() [L214] COND TRUE 1 [L217] CALL, EXPR exists_runnable_thread() [L189] int __retres1 ; [L192] COND TRUE m_st == 0 [L193] __retres1 = 1 [L205] return (__retres1); [L217] RET, EXPR exists_runnable_thread() [L217] tmp = exists_runnable_thread() [L219] COND TRUE \read(tmp) [L224] COND TRUE m_st == 0 [L225] int tmp_ndt_1; [L226] tmp_ndt_1 = __VERIFIER_nondet_int() [L227] COND TRUE \read(tmp_ndt_1) [L229] m_st = 1 [L230] CALL master() [L34] int tmp_var = __VERIFIER_nondet_int(); [L36] COND FALSE !(m_pc == 0) [L39] COND TRUE m_pc == 1 [L61] COND FALSE !(token != local + 1) [L66] COND TRUE tmp_var <= 5 [L67] COND TRUE tmp_var >= 5 [L72] COND TRUE tmp_var <= 5 [L73] COND TRUE tmp_var >= 5 [L74] COND TRUE tmp_var == 5 [L75] CALL error() [L12] CALL reach_error() [L3] __assert_fail("0", "token_ring.01.cil-2.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 155 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 96.0s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 44.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2542 SDtfs, 10645 SDslu, 650 SDs, 0 SdLazy, 16954 SolverSat, 6111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 922 GetRequests, 603 SyntacticMatches, 7 SemanticMatches, 312 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1672 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5291occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 5275 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 45.2s InterpolantComputationTime, 2238 NumberOfCodeBlocks, 2238 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2039 ConstructedInterpolants, 0 QuantifiedInterpolants, 756668 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 783/808 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...