/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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.02.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:49:56,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:49:56,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:49:56,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:49:56,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:49:56,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:49:56,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:49:56,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:49:56,179 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:49:56,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:49:56,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:49:56,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:49:56,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:49:56,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:49:56,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:49:56,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:49:56,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:49:56,200 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:49:56,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:49:56,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:49:56,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:49:56,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:49:56,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:49:56,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:49:56,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:49:56,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:49:56,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:49:56,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:49:56,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:49:56,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:49:56,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:49:56,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:49:56,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:49:56,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:49:56,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:49:56,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:49:56,244 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:49:56,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:49:56,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:49:56,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:49:56,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:49:56,254 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 [2020-10-28 19:49:56,309 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:49:56,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:49:56,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:49:56,315 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:49:56,315 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:49:56,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:49:56,315 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:49:56,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:49:56,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:49:56,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:49:56,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:49:56,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:49:56,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:49:56,318 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:49:56,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:49:56,319 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:49:56,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:49:56,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:49:56,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:49:56,319 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:49:56,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:49:56,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:49:56,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:49:56,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:49:56,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:49:56,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:49:56,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:49:56,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:49:56,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:49:56,321 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:49:56,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:49:56,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:49:56,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:49:56,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:49:56,817 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:49:56,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2020-10-28 19:49:56,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfca01226/4b7403be782d488896bd7f5f5da889f7/FLAGad55d5daa [2020-10-28 19:49:57,489 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:49:57,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.02.cil-1.c [2020-10-28 19:49:57,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfca01226/4b7403be782d488896bd7f5f5da889f7/FLAGad55d5daa [2020-10-28 19:49:57,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfca01226/4b7403be782d488896bd7f5f5da889f7 [2020-10-28 19:49:57,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:49:57,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:49:57,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:49:57,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:49:57,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:49:57,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:49:57" (1/1) ... [2020-10-28 19:49:57,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626a3a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:49:57, skipping insertion in model container [2020-10-28 19:49:57,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:49:57" (1/1) ... [2020-10-28 19:49:57,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:49:57,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:49:58,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:49:58,193 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:49:58,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:49:58,306 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:49:58,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:49:58 WrapperNode [2020-10-28 19:49:58,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:49:58,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:49:58,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:49:58,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:49:58,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:49:58" (1/1) ... [2020-10-28 19:49:58,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:49:58" (1/1) ... [2020-10-28 19:49:58,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:49:58" (1/1) ... [2020-10-28 19:49:58,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:49:58" (1/1) ... [2020-10-28 19:49:58,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:49:58" (1/1) ... [2020-10-28 19:49:58,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:49:58" (1/1) ... [2020-10-28 19:49:58,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:49:58" (1/1) ... [2020-10-28 19:49:58,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:49:58,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:49:58,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:49:58,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:49:58,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:49:58" (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 [2020-10-28 19:49:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:49:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:49:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:49:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 19:49:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 19:49:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 19:49:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 19:49:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 19:49:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 19:49:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 19:49:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 19:49:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 19:49:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 19:49:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 19:49:58,524 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 19:49:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 19:49:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 19:49:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 19:49:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 19:49:58,525 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 19:49:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 19:49:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 19:49:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 19:49:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:49:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:49:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:49:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:49:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:49:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 19:49:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 19:49:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 19:49:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 19:49:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 19:49:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:49:58,528 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 19:49:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 19:49:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 19:49:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 19:49:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 19:49:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 19:49:58,529 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 19:49:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 19:49:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 19:49:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 19:49:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 19:49:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 19:49:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 19:49:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 19:49:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 19:49:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:49:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:49:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:49:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:49:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:49:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:49:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:49:59,484 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:49:59,484 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 19:49:59,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:49:59 BoogieIcfgContainer [2020-10-28 19:49:59,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:49:59,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:49:59,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:49:59,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:49:59,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:49:57" (1/3) ... [2020-10-28 19:49:59,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d126a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:49:59, skipping insertion in model container [2020-10-28 19:49:59,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:49:58" (2/3) ... [2020-10-28 19:49:59,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d126a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:49:59, skipping insertion in model container [2020-10-28 19:49:59,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:49:59" (3/3) ... [2020-10-28 19:49:59,497 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-1.c [2020-10-28 19:49:59,510 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:49:59,517 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:49:59,533 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:49:59,563 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:49:59,564 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:49:59,564 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:49:59,564 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:49:59,564 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:49:59,564 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:49:59,564 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:49:59,565 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:49:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-10-28 19:49:59,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 19:49:59,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:49:59,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:49:59,607 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:49:59,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:49:59,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1551894051, now seen corresponding path program 1 times [2020-10-28 19:49:59,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:49:59,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953384263] [2020-10-28 19:49:59,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:49:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:49:59,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:00,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:04,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:04,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:04,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 19:50:04,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 19:50:04,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 19:50:04,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:04,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:04,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:50:04,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:50:04,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 19:50:04,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 19:50:05,103 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-28 19:50:05,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:05,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 19:50:05,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:50:05,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:50:05,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:05,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:50:05,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:50:05,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:05,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:50:05,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:05,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:50:05,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:50:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:05,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:50:05,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:05,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:05,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:50:05,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:50:05,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:50:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:50:05,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:50:05,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-28 19:50:05,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 19:50:05,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:50:05,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:05,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:05,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:05,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:05,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:05,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:05,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:05,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:05,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:05,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:50:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:05,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:50:05,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:50:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:50:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:05,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:50:05,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:50:05,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:05,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:50:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:05,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:05,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:05,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:05,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:05,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:05,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:05,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:05,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:05,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:05,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:05,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:50:05,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953384263] [2020-10-28 19:50:05,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:50:05,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:50:05,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477011899] [2020-10-28 19:50:05,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:50:05,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:05,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:50:05,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:50:05,749 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 8 states. [2020-10-28 19:50:05,981 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 19:50:10,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:10,721 INFO L93 Difference]: Finished difference Result 657 states and 1030 transitions. [2020-10-28 19:50:10,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 19:50:10,723 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-10-28 19:50:10,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:10,760 INFO L225 Difference]: With dead ends: 657 [2020-10-28 19:50:10,761 INFO L226 Difference]: Without dead ends: 476 [2020-10-28 19:50:10,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2020-10-28 19:50:10,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-10-28 19:50:10,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 313. [2020-10-28 19:50:10,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-28 19:50:10,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 427 transitions. [2020-10-28 19:50:10,965 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 427 transitions. Word has length 92 [2020-10-28 19:50:10,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:10,967 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 427 transitions. [2020-10-28 19:50:10,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:50:10,967 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 427 transitions. [2020-10-28 19:50:10,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-28 19:50:10,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:10,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:50:10,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:50:10,983 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:10,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:10,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1151902852, now seen corresponding path program 1 times [2020-10-28 19:50:10,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:10,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761891252] [2020-10-28 19:50:10,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:11,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:11,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:11,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:11,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:11,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:11,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:11,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:11,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:11,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-28 19:50:16,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:50:16,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 19:50:16,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:50:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:50:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 19:50:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:16,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:16,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:16,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:16,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 19:50:16,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:16,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:50:16,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:16,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:16,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:16,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:16,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:16,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:16,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:16,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:50:16,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:16,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:16,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:50:16,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:16,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:50:16,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:16,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:16,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:50:16,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:16,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:50:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:16,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:16,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:16,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:50:16,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:16,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:16,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:16,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:16,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:16,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:16,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:16,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:50:16,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:16,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:16,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:50:16,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:16,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:50:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:16,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:50:16,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:50:16,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-28 19:50:16,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:16,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:16,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 19:50:16,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:16,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:16,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:16,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:16,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:16,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:50:16,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:16,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:16,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:16,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:16,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:16,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:16,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:16,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:50:16,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:16,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:50:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:16,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:16,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:16,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:16,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:16,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:16,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:50:16,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:16,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:50:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:16,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:16,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:16,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:16,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:50:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:16,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:16,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:50:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:16,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:16,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:16,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:16,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:16,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:16,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:16,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:16,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:16,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:50:16,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761891252] [2020-10-28 19:50:16,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:50:16,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:50:16,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747255766] [2020-10-28 19:50:16,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:50:16,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:16,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:50:16,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:50:16,702 INFO L87 Difference]: Start difference. First operand 313 states and 427 transitions. Second operand 8 states. [2020-10-28 19:50:20,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:20,442 INFO L93 Difference]: Finished difference Result 1162 states and 1729 transitions. [2020-10-28 19:50:20,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:50:20,442 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2020-10-28 19:50:20,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:20,450 INFO L225 Difference]: With dead ends: 1162 [2020-10-28 19:50:20,451 INFO L226 Difference]: Without dead ends: 870 [2020-10-28 19:50:20,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:50:20,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-10-28 19:50:20,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 624. [2020-10-28 19:50:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 624 states. [2020-10-28 19:50:20,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 863 transitions. [2020-10-28 19:50:20,625 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 863 transitions. Word has length 92 [2020-10-28 19:50:20,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:20,625 INFO L481 AbstractCegarLoop]: Abstraction has 624 states and 863 transitions. [2020-10-28 19:50:20,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:50:20,626 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 863 transitions. [2020-10-28 19:50:20,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 19:50:20,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:20,630 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:50:20,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 19:50:20,631 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:20,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:20,632 INFO L82 PathProgramCache]: Analyzing trace with hash -407375199, now seen corresponding path program 1 times [2020-10-28 19:50:20,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:20,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1051286587] [2020-10-28 19:50:20,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:20,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:20,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:20,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:20,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:20,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:23,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:25,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:25,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 19:50:25,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:50:25,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 19:50:25,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:25,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:50:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:50:25,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 19:50:25,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:25,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:25,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:25,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:25,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:25,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:25,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:50:25,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:25,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:50:25,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:25,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:25,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:25,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:25,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:25,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:25,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:25,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:25,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:25,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:50:25,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:25,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:25,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:25,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:25,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:50:25,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:25,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:25,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:25,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:25,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:25,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:25,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:50:25,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:25,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:50:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:25,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:25,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:25,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:25,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:25,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:50:25,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:25,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:25,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:25,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:25,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:25,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:25,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:25,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:25,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:25,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:25,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:25,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:50:25,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:25,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:50:25,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:50:25,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:25,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:50:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:25,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:25,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:25,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:26,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:26,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:26,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:50:26,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:26,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-28 19:50:26,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:26,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:26,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:26,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 19:50:26,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:26,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:26,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:26,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:26,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:26,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:26,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:26,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:26,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:26,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:26,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:26,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:26,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:26,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:26,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:26,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:26,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:26,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:26,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:26,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:26,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:26,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:26,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:26,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:26,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:50:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:26,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:26,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:26,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:26,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:26,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:26,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:26,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:26,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:26,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:26,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:26,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:26,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:50:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:26,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:26,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:26,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:26,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:26,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:26,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:26,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:50:26,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:26,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:26,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:50:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:26,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:26,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:26,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:26,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:26,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:26,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:26,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:26,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:26,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:26,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:26,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:26,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:50:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:26,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:26,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:26,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:26,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:27,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:27,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:50:27,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 994 [2020-10-28 19:50:27,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:27,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:27,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:27,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 19:50:27,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:27,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:27,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:50:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:27,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:27,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:27,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:27,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:28,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:28,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:50:28,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:28,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 467 [2020-10-28 19:50:28,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:28,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:28,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:28,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:28,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:28,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:28,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:28,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:28,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:28,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:28,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:50:28,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:28,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-28 19:50:28,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:28,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:28,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:28,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:28,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:28,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:28,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:28,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:28,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:28,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:28,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:28,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:28,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:28,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:28,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:28,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:28,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:28,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:28,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:28,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:28,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:28,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:28,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:28,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:28,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:28,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:50:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:28,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:28,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:28,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:28,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:28,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:28,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:28,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:28,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:28,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:28,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:28,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:50:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:28,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:28,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:28,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:28,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:28,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:28,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:28,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:28,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:28,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:28,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:28,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 19:50:28,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1051286587] [2020-10-28 19:50:28,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:50:28,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:50:28,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572022967] [2020-10-28 19:50:28,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:50:28,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:28,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:50:28,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:50:28,618 INFO L87 Difference]: Start difference. First operand 624 states and 863 transitions. Second operand 9 states. [2020-10-28 19:50:32,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:32,272 INFO L93 Difference]: Finished difference Result 2328 states and 3375 transitions. [2020-10-28 19:50:32,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 19:50:32,273 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-10-28 19:50:32,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:32,288 INFO L225 Difference]: With dead ends: 2328 [2020-10-28 19:50:32,288 INFO L226 Difference]: Without dead ends: 1724 [2020-10-28 19:50:32,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2020-10-28 19:50:32,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1724 states. [2020-10-28 19:50:32,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1724 to 1222. [2020-10-28 19:50:32,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2020-10-28 19:50:32,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1703 transitions. [2020-10-28 19:50:32,471 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1703 transitions. Word has length 146 [2020-10-28 19:50:32,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:32,471 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 1703 transitions. [2020-10-28 19:50:32,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:50:32,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1703 transitions. [2020-10-28 19:50:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 19:50:32,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:32,474 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:50:32,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 19:50:32,475 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:32,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:32,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1339468259, now seen corresponding path program 1 times [2020-10-28 19:50:32,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:32,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297621792] [2020-10-28 19:50:32,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:32,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:32,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:32,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:32,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:32,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:34,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 19:50:37,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:50:37,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 19:50:37,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:50:37,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:50:37,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 19:50:37,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:37,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:50:37,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:50:37,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:37,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:37,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:50:37,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:50:37,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:37,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:37,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:50:37,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:50:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:37,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:37,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:37,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:37,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:37,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:37,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:37,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:37,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:50:37,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:37,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:50:37,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:50:37,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:37,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:50:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:37,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:37,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:50:38,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:38,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-28 19:50:38,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 19:50:38,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:38,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:38,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:38,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:38,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:38,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:50:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:38,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:38,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:38,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:50:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:38,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:50:38,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:50:38,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:50:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:38,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:38,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:38,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:38,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:38,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:38,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:38,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:38,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:38,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:38,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:50:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:38,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:38,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:39,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:39,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:50:39,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:39,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1160 [2020-10-28 19:50:39,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:39,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:39,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:39,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 19:50:39,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:39,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:39,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:50:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:39,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:39,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:39,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:39,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:40,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:40,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:50:40,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:40,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 481 [2020-10-28 19:50:40,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:40,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:40,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:40,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:40,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:40,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:40,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:40,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:40,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:40,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:40,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:40,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:40,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:50:40,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:40,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 431 [2020-10-28 19:50:40,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:40,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:40,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:40,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:40,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:40,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:40,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:40,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:40,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:40,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:40,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:40,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:40,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:40,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:40,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:40,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:40,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:40,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:40,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:40,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:40,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:40,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:40,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:40,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:40,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:40,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:40,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:40,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:40,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:50:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:40,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:40,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:40,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:40,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:40,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:40,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:40,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:40,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:40,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:40,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:50:40,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:40,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:40,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:40,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:40,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:40,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:40,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:40,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:40,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:40,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:40,541 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 19:50:40,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297621792] [2020-10-28 19:50:40,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:50:40,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 19:50:40,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546085715] [2020-10-28 19:50:40,543 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 19:50:40,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:40,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 19:50:40,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 19:50:40,544 INFO L87 Difference]: Start difference. First operand 1222 states and 1703 transitions. Second operand 10 states. [2020-10-28 19:50:42,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:42,691 INFO L93 Difference]: Finished difference Result 2866 states and 4132 transitions. [2020-10-28 19:50:42,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 19:50:42,692 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-28 19:50:42,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:42,705 INFO L225 Difference]: With dead ends: 2866 [2020-10-28 19:50:42,706 INFO L226 Difference]: Without dead ends: 1664 [2020-10-28 19:50:42,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-28 19:50:42,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1664 states. [2020-10-28 19:50:42,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1664 to 1222. [2020-10-28 19:50:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2020-10-28 19:50:42,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 1675 transitions. [2020-10-28 19:50:42,897 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 1675 transitions. Word has length 146 [2020-10-28 19:50:42,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:42,898 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 1675 transitions. [2020-10-28 19:50:42,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 19:50:42,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1675 transitions. [2020-10-28 19:50:42,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 19:50:42,901 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:42,901 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:50:42,901 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 19:50:42,902 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:42,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:42,902 INFO L82 PathProgramCache]: Analyzing trace with hash 847221537, now seen corresponding path program 1 times [2020-10-28 19:50:42,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:42,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061239120] [2020-10-28 19:50:42,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:42,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:42,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:42,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:43,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:43,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:44,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:47,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:47,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 19:50:47,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:50:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:50:47,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:47,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:47,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:50:47,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:50:47,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 19:50:47,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:48,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:50:48,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:50:48,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:48,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:48,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:50:48,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:50:48,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:50:48,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:50:48,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:48,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:50:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:48,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:50:48,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:48,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:48,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:48,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:50:48,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:48,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:50:48,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:50:48,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:48,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:50:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:50:48,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:48,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 533 [2020-10-28 19:50:48,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 19:50:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:50:48,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:48,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:48,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:50:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:48,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:48,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:50:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:48,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:50:48,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:50:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:48,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:48,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:48,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:48,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:48,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:48,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:48,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:48,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:48,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:48,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:50:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:48,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:48,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:49,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:49,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:49,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:50:49,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:49,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 595 [2020-10-28 19:50:49,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:49,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 19:50:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:49,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:50:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:49,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:49,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:49,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:49,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:49,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:49,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:50:49,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:49,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 352 [2020-10-28 19:50:49,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:49,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:49,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:49,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:49,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:49,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:49,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:49,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:49,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:49,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:49,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:50,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:50,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:50:50,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-10-28 19:50:50,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:50,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:50,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:50,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:50,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:50,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:50,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:50,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:50,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:50,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:50,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:50,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:50,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:50,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:50,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:50,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:50,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:50,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:50,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:50,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:50,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:50,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:50,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:50,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:50,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:50,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:50:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:50,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:50,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:50,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:50,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:50,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:50,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:50,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:50,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:50,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:50,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:50,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:50,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:50:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:50,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:50,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:50,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:50,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:50,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:50,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:50,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:50,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:50,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 19:50:50,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061239120] [2020-10-28 19:50:50,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:50:50,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 19:50:50,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907298185] [2020-10-28 19:50:50,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 19:50:50,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:50,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 19:50:50,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 19:50:50,110 INFO L87 Difference]: Start difference. First operand 1222 states and 1675 transitions. Second operand 10 states. [2020-10-28 19:50:50,244 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-28 19:50:52,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:50:52,499 INFO L93 Difference]: Finished difference Result 3076 states and 4403 transitions. [2020-10-28 19:50:52,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 19:50:52,500 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-28 19:50:52,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:50:52,515 INFO L225 Difference]: With dead ends: 3076 [2020-10-28 19:50:52,515 INFO L226 Difference]: Without dead ends: 1874 [2020-10-28 19:50:52,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-28 19:50:52,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2020-10-28 19:50:52,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1364. [2020-10-28 19:50:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1364 states. [2020-10-28 19:50:52,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1364 states and 1813 transitions. [2020-10-28 19:50:52,689 INFO L78 Accepts]: Start accepts. Automaton has 1364 states and 1813 transitions. Word has length 146 [2020-10-28 19:50:52,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:50:52,690 INFO L481 AbstractCegarLoop]: Abstraction has 1364 states and 1813 transitions. [2020-10-28 19:50:52,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 19:50:52,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1813 transitions. [2020-10-28 19:50:52,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 19:50:52,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:50:52,695 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:50:52,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 19:50:52,695 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:50:52,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:50:52,696 INFO L82 PathProgramCache]: Analyzing trace with hash 277430565, now seen corresponding path program 1 times [2020-10-28 19:50:52,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:50:52,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110607370] [2020-10-28 19:50:52,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:50:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:52,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:52,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:52,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:52,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:52,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:53,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:57,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:57,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 19:50:57,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:50:57,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 19:50:57,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:57,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:57,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:50:57,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:50:57,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-28 19:50:57,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:57,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:57,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:57,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:57,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:57,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:57,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:50:57,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:57,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:57,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:57,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:57,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:50:57,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:57,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:50:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:57,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:57,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:57,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:50:57,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:57,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:50:57,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:57,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:57,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:57,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:57,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:50:57,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:57,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:50:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:57,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:57,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:57,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:50:57,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:57,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:57,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:57,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:57,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:57,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:57,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:50:57,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:57,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:50:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:57,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:57,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:57,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:57,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:57,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:57,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:57,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:50:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:57,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:50:57,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:57,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:50:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:57,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:57,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:57,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:57,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:57,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:50:57,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:57,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:50:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:50:57,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:50:57,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:57,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:50:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:57,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:57,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:57,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:57,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:58,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:50:58,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:58,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-10-28 19:50:58,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:58,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:58,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:58,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 19:50:58,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:58,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:58,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:58,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:58,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:58,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:58,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:58,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:58,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:58,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:58,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:58,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:58,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:58,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:58,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:58,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:58,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:58,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:58,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:58,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:58,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:50:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:58,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:58,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:58,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:58,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:50:58,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:58,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:58,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:58,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:50:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:58,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:58,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:50:58,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:50:58,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:58,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:50:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:58,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:58,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:50:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:58,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:58,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:58,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:58,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:58,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:58,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:58,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:58,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:58,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:58,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:58,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:50:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:58,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:58,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:50:58,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:58,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 441 [2020-10-28 19:50:58,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:58,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 19:50:58,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:58,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:58,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:50:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:58,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:58,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:50:59,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:59,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-28 19:50:59,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:50:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:50:59,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:50:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-28 19:50:59,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:50:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:59,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:50:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:59,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:50:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:50:59,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:50:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:50:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:50:59,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:50:59,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:50:59,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:50:59,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:50:59,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:50:59,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:50:59,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:50:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:50:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:50:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:50:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:50:59,424 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 19:50:59,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110607370] [2020-10-28 19:50:59,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:50:59,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 19:50:59,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790533894] [2020-10-28 19:50:59,426 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 19:50:59,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:50:59,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 19:50:59,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 19:50:59,427 INFO L87 Difference]: Start difference. First operand 1364 states and 1813 transitions. Second operand 10 states. [2020-10-28 19:51:01,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:01,766 INFO L93 Difference]: Finished difference Result 3594 states and 5076 transitions. [2020-10-28 19:51:01,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 19:51:01,767 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-28 19:51:01,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:01,783 INFO L225 Difference]: With dead ends: 3594 [2020-10-28 19:51:01,783 INFO L226 Difference]: Without dead ends: 2250 [2020-10-28 19:51:01,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-10-28 19:51:01,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2250 states. [2020-10-28 19:51:01,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2250 to 1644. [2020-10-28 19:51:01,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1644 states. [2020-10-28 19:51:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1644 states and 2097 transitions. [2020-10-28 19:51:01,986 INFO L78 Accepts]: Start accepts. Automaton has 1644 states and 2097 transitions. Word has length 146 [2020-10-28 19:51:01,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:01,986 INFO L481 AbstractCegarLoop]: Abstraction has 1644 states and 2097 transitions. [2020-10-28 19:51:01,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 19:51:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2097 transitions. [2020-10-28 19:51:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 19:51:01,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:01,990 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:01,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 19:51:01,990 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:01,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:01,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1957707103, now seen corresponding path program 1 times [2020-10-28 19:51:01,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:01,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601559655] [2020-10-28 19:51:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:02,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:02,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:02,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:02,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:02,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:02,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 19:51:07,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:51:07,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 19:51:07,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 19:51:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:51:07,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 19:51:07,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:07,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:51:07,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:51:07,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:07,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:07,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:51:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:51:07,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:07,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:07,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:07,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:51:07,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:51:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:07,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:07,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:07,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:07,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:51:07,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:51:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:07,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:07,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:51:07,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:51:07,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:51:07,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:51:07,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:51:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:07,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:51:07,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-28 19:51:07,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 19:51:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:07,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:07,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:07,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:07,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:07,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:07,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:07,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:07,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:07,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:07,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:07,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:07,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:07,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:07,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:07,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:07,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:07,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:51:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:07,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:07,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:07,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:07,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:51:07,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:07,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:51:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:07,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:07,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:07,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:07,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:07,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:07,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:07,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:07,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:07,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:07,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:51:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:07,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:07,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:51:08,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:51:08,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 513 [2020-10-28 19:51:08,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 19:51:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:51:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:51:08,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:51:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-28 19:51:08,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:08,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:51:08,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 390 [2020-10-28 19:51:08,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:08,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:08,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:08,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:08,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:51:08,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:08,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:08,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:08,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:51:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:08,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:08,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:08,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:08,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:08,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:08,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:08,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:08,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:08,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:51:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 19:51:08,975 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601559655] [2020-10-28 19:51:08,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:51:08,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 19:51:08,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73657691] [2020-10-28 19:51:08,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 19:51:08,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:08,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 19:51:08,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 19:51:08,977 INFO L87 Difference]: Start difference. First operand 1644 states and 2097 transitions. Second operand 10 states. [2020-10-28 19:51:11,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:11,296 INFO L93 Difference]: Finished difference Result 4132 states and 5503 transitions. [2020-10-28 19:51:11,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 19:51:11,297 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-28 19:51:11,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:11,317 INFO L225 Difference]: With dead ends: 4132 [2020-10-28 19:51:11,317 INFO L226 Difference]: Without dead ends: 2508 [2020-10-28 19:51:11,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-28 19:51:11,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2020-10-28 19:51:11,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 1972. [2020-10-28 19:51:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1972 states. [2020-10-28 19:51:11,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1972 states and 2491 transitions. [2020-10-28 19:51:11,626 INFO L78 Accepts]: Start accepts. Automaton has 1972 states and 2491 transitions. Word has length 146 [2020-10-28 19:51:11,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:11,626 INFO L481 AbstractCegarLoop]: Abstraction has 1972 states and 2491 transitions. [2020-10-28 19:51:11,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 19:51:11,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2491 transitions. [2020-10-28 19:51:11,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 19:51:11,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:11,632 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:11,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 19:51:11,632 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:11,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:11,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1295327653, now seen corresponding path program 1 times [2020-10-28 19:51:11,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:11,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [361443221] [2020-10-28 19:51:11,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:11,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:11,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:11,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:11,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:11,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:14,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:16,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:16,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 19:51:16,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:51:16,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 19:51:16,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:16,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:16,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:51:16,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 144 [2020-10-28 19:51:16,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:16,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:16,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:16,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:16,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:16,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:16,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:16,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:51:16,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:16,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:16,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:16,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:16,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:16,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:16,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:16,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:16,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:16,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:16,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:16,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:16,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:16,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:16,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:16,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:16,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:16,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:51:16,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:16,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:16,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:16,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:16,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:16,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:16,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:51:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:16,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:16,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:16,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:16,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:16,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:16,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:16,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:16,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:16,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:51:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:16,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:16,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:16,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:16,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:16,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:16,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:16,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:16,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:16,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:16,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:16,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:16,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:51:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:16,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:16,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:16,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:16,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:17,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:17,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:17,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:51:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-28 19:51:17,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:17,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:17,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:17,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:17,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:17,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:17,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:17,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:17,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:17,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:17,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:17,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:17,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:17,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:17,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:17,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:17,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:17,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:17,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:17,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:17,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:17,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:17,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:17,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:17,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:17,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:17,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:17,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:17,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:17,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:17,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:17,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:17,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:17,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:17,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:17,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:17,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:17,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:17,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:17,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:51:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:17,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:17,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:17,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:17,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:17,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:17,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:17,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:17,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:17,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:51:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:17,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:17,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:17,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:17,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:17,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:17,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:17,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:17,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:17,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:17,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:51:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:17,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:17,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:17,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:17,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:17,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:51:17,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:51:17,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 642 [2020-10-28 19:51:17,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:17,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:51:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-28 19:51:17,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:17,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:17,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:51:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:17,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:17,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:17,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:51:18,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:51:18,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-28 19:51:18,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:51:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 19:51:18,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:18,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:18,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:51:18,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-10-28 19:51:18,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:51:18,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:51:18,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:18,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:18,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:51:18,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:51:18,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:18,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:51:18,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:51:18,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:18,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:18,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:51:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:18,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:18,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:18,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:51:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:51:18,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:51:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:18,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:18,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:18,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:18,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:18,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:51:18,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:18,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:18,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:18,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:18,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:18,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:51:18,474 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-28 19:51:18,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [361443221] [2020-10-28 19:51:18,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:51:18,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 19:51:18,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353319847] [2020-10-28 19:51:18,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 19:51:18,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:18,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 19:51:18,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-28 19:51:18,477 INFO L87 Difference]: Start difference. First operand 1972 states and 2491 transitions. Second operand 11 states. [2020-10-28 19:51:21,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:21,325 INFO L93 Difference]: Finished difference Result 4427 states and 5798 transitions. [2020-10-28 19:51:21,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:51:21,326 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2020-10-28 19:51:21,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:21,341 INFO L225 Difference]: With dead ends: 4427 [2020-10-28 19:51:21,341 INFO L226 Difference]: Without dead ends: 2476 [2020-10-28 19:51:21,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2020-10-28 19:51:21,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2476 states. [2020-10-28 19:51:21,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2476 to 1982. [2020-10-28 19:51:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1982 states. [2020-10-28 19:51:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1982 states and 2475 transitions. [2020-10-28 19:51:21,587 INFO L78 Accepts]: Start accepts. Automaton has 1982 states and 2475 transitions. Word has length 146 [2020-10-28 19:51:21,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:21,587 INFO L481 AbstractCegarLoop]: Abstraction has 1982 states and 2475 transitions. [2020-10-28 19:51:21,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 19:51:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2475 transitions. [2020-10-28 19:51:21,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 19:51:21,590 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:21,591 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:21,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 19:51:21,591 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:21,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:21,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1694648543, now seen corresponding path program 1 times [2020-10-28 19:51:21,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:21,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320702501] [2020-10-28 19:51:21,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:21,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:21,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:21,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:21,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:24,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:24,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:24,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:24,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 19:51:26,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:51:26,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:51:26,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 149 [2020-10-28 19:51:26,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 19:51:26,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:26,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:26,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:51:26,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:26,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:26,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:26,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:26,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:26,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:26,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:26,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:26,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:26,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:51:26,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:26,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:26,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:26,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:26,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:51:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:26,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:26,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:26,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:26,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:26,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:26,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:51:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:26,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:26,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:26,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:26,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:26,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:26,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:51:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:26,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:51:26,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 19:51:26,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:26,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:26,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:26,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:26,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:26,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:26,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:26,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:26,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:26,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:26,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:26,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:26,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:26,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:26,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:26,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:26,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:26,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:26,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:26,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:26,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:26,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:51:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:26,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:26,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:26,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:26,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:26,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:51:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:26,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:26,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:26,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:26,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:26,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:26,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:26,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:26,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:26,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:26,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:51:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:26,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:26,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:27,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:27,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:51:27,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:51:27,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-28 19:51:27,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:27,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:27,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:27,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:27,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 19:51:27,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:27,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:51:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:27,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:27,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:27,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:27,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:27,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:51:27,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:51:27,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 19:51:27,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:27,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:27,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:27,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:27,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 19:51:27,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:27,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:27,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:27,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:27,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:27,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:27,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:27,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:51:27,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 19:51:27,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:27,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:27,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:27,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:27,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 19:51:27,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:27,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:27,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:27,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:27,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:27,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:27,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:27,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:27,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:27,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:27,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:27,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:27,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:27,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:27,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:27,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:27,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:27,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:27,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:27,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:27,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:27,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:27,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:27,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:27,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:27,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:27,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:27,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:27,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:27,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:27,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:51:27,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:27,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:51:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:27,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:27,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:27,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:27,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:27,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:27,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:27,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:27,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:27,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:27,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:27,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-28 19:51:27,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320702501] [2020-10-28 19:51:27,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:51:27,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:51:27,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517526183] [2020-10-28 19:51:27,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:51:27,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:27,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:51:27,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:51:27,191 INFO L87 Difference]: Start difference. First operand 1982 states and 2475 transitions. Second operand 8 states. [2020-10-28 19:51:30,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:30,721 INFO L93 Difference]: Finished difference Result 6406 states and 8452 transitions. [2020-10-28 19:51:30,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 19:51:30,722 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-10-28 19:51:30,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:30,750 INFO L225 Difference]: With dead ends: 6406 [2020-10-28 19:51:30,750 INFO L226 Difference]: Without dead ends: 4446 [2020-10-28 19:51:30,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:51:30,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4446 states. [2020-10-28 19:51:31,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4446 to 3702. [2020-10-28 19:51:31,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3702 states. [2020-10-28 19:51:31,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3702 states to 3702 states and 4788 transitions. [2020-10-28 19:51:31,226 INFO L78 Accepts]: Start accepts. Automaton has 3702 states and 4788 transitions. Word has length 146 [2020-10-28 19:51:31,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:31,226 INFO L481 AbstractCegarLoop]: Abstraction has 3702 states and 4788 transitions. [2020-10-28 19:51:31,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:51:31,227 INFO L276 IsEmpty]: Start isEmpty. Operand 3702 states and 4788 transitions. [2020-10-28 19:51:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-28 19:51:31,231 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:31,231 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:31,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 19:51:31,232 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:31,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:31,232 INFO L82 PathProgramCache]: Analyzing trace with hash -329823484, now seen corresponding path program 1 times [2020-10-28 19:51:31,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:31,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1283781263] [2020-10-28 19:51:31,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:31,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:31,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:31,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:31,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:31,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:31,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:31,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:31,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:34,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-28 19:51:36,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:51:36,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 19:51:36,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-28 19:51:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 19:51:36,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:36,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:51:36,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:36,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:36,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:51:36,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:36,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:51:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:36,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:36,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:51:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:36,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:36,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:51:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:36,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:51:36,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 19:51:36,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:36,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:36,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:36,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:36,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:36,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:36,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:51:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:36,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:36,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:51:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:36,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:36,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 19:51:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:36,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:36,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:51:36,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 19:51:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:36,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:36,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:51:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 19:51:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:51:36,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:36,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 19:51:36,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:36,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-28 19:51:36,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 19:51:36,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:51:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:51:36,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:36,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 19:51:36,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:36,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 19:51:36,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:36,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:36,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 19:51:36,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 19:51:36,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:36,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:36,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:36,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:36,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:51:36,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:36,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:36,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:36,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:51:36,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-28 19:51:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:36,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:36,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:36,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:36,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:36,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:36,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:36,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:36,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:36,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:36,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:36,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-28 19:51:36,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1283781263] [2020-10-28 19:51:36,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:51:36,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 19:51:36,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879995568] [2020-10-28 19:51:36,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 19:51:36,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:36,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 19:51:36,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 19:51:36,824 INFO L87 Difference]: Start difference. First operand 3702 states and 4788 transitions. Second operand 10 states. [2020-10-28 19:51:41,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:41,137 INFO L93 Difference]: Finished difference Result 11828 states and 16449 transitions. [2020-10-28 19:51:41,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 19:51:41,138 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-10-28 19:51:41,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:41,196 INFO L225 Difference]: With dead ends: 11828 [2020-10-28 19:51:41,196 INFO L226 Difference]: Without dead ends: 8152 [2020-10-28 19:51:41,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2020-10-28 19:51:41,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8152 states. [2020-10-28 19:51:42,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8152 to 7034. [2020-10-28 19:51:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7034 states. [2020-10-28 19:51:42,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7034 states to 7034 states and 9120 transitions. [2020-10-28 19:51:42,173 INFO L78 Accepts]: Start accepts. Automaton has 7034 states and 9120 transitions. Word has length 165 [2020-10-28 19:51:42,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:42,174 INFO L481 AbstractCegarLoop]: Abstraction has 7034 states and 9120 transitions. [2020-10-28 19:51:42,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 19:51:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 7034 states and 9120 transitions. [2020-10-28 19:51:42,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 19:51:42,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:42,181 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:42,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 19:51:42,181 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:42,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:42,182 INFO L82 PathProgramCache]: Analyzing trace with hash -382097881, now seen corresponding path program 1 times [2020-10-28 19:51:42,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:42,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [55649963] [2020-10-28 19:51:42,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:42,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:42,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:42,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:42,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:42,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:42,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 19:51:47,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:51:47,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 19:51:47,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:47,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 19:51:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 19:51:47,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:47,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:51:47,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:47,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:47,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:47,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:47,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:51:47,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:51:47,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:47,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:47,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:51:47,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:51:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:47,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:47,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:51:47,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 19:51:47,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 19:51:47,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:51:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:47,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:47,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:51:47,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:51:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:47,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:47,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 19:51:47,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 19:51:47,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:47,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:47,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:47,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:47,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:51:47,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:47,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:47,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:47,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:51:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:47,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:47,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:51:47,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:51:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:47,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:47,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:51:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:51:47,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:47,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 19:51:47,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 19:51:47,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:51:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:51:47,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:47,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:51:47,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:47,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:47,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:47,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:51:47,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:47,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:47,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:47,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:47,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:47,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:47,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:47,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:47,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:47,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:51:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:47,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:47,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:47,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:47,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:47,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:47,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:47,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:47,588 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-28 19:51:47,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [55649963] [2020-10-28 19:51:47,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:51:47,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 19:51:47,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780797194] [2020-10-28 19:51:47,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:51:47,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:47,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:51:47,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:51:47,590 INFO L87 Difference]: Start difference. First operand 7034 states and 9120 transitions. Second operand 9 states. [2020-10-28 19:51:49,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:49,997 INFO L93 Difference]: Finished difference Result 13363 states and 17304 transitions. [2020-10-28 19:51:49,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 19:51:49,998 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-10-28 19:51:49,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:50,037 INFO L225 Difference]: With dead ends: 13363 [2020-10-28 19:51:50,037 INFO L226 Difference]: Without dead ends: 6350 [2020-10-28 19:51:50,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-28 19:51:50,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6350 states. [2020-10-28 19:51:50,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6350 to 5390. [2020-10-28 19:51:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5390 states. [2020-10-28 19:51:50,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5390 states to 5390 states and 6882 transitions. [2020-10-28 19:51:50,588 INFO L78 Accepts]: Start accepts. Automaton has 5390 states and 6882 transitions. Word has length 146 [2020-10-28 19:51:50,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:51:50,589 INFO L481 AbstractCegarLoop]: Abstraction has 5390 states and 6882 transitions. [2020-10-28 19:51:50,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:51:50,589 INFO L276 IsEmpty]: Start isEmpty. Operand 5390 states and 6882 transitions. [2020-10-28 19:51:50,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-28 19:51:50,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:51:50,594 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:51:50,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 19:51:50,594 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:51:50,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:51:50,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1638109154, now seen corresponding path program 1 times [2020-10-28 19:51:50,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:51:50,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719008608] [2020-10-28 19:51:50,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:51:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:50,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:50,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:50,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:50,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-28 19:51:55,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:51:55,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 19:51:55,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:51:55,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-28 19:51:55,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:55,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:55,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:55,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:55,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:55,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:51:55,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:55,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:55,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:55,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:55,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:51:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:55,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:51:55,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:55,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:55,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:55,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:55,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:55,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:51:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:55,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:51:55,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:55,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:55,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:55,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:55,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:55,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:51:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:55,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:55,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:55,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:55,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:55,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:55,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:55,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:55,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:51:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:55,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:55,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:55,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:55,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:55,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:55,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:55,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:55,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:51:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:55,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:55,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:51:55,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-28 19:51:55,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:51:55,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 19:51:55,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:51:55,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:55,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:55,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:55,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:55,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:55,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:55,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:55,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:55,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:55,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:55,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:51:55,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:51:55,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:55,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:51:55,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:55,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:55,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:55,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:55,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:55,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:55,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 19:51:55,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:55,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:55,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:51:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:55,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:51:55,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:55,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:51:55,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:55,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 19:51:55,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:55,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:55,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:51:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:55,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:55,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:55,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:55,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:55,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:55,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:55,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:55,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:55,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:56,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:51:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:56,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:56,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:51:56,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:51:56,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-28 19:51:56,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:56,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:56,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:56,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 19:51:56,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:56,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:56,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:51:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:56,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:56,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:51:56,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:51:56,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 19:51:56,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:56,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:56,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:56,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:51:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:56,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:56,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:51:56,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:51:56,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-28 19:51:56,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:56,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:56,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:56,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:51:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:56,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:56,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:56,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:56,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:56,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:56,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:56,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:56,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:56,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:51:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:56,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:56,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:56,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:56,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:56,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:56,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:56,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:56,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:56,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:56,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:56,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:51:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:56,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:56,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:51:56,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:56,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:51:56,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:56,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:56,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:56,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:51:56,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:56,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:56,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 19:51:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:51:56,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:51:56,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:51:56,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:51:56,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:51:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:51:56,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:51:56,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:51:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:51:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:51:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:51:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:51:56,318 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-28 19:51:56,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719008608] [2020-10-28 19:51:56,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:51:56,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 19:51:56,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960847375] [2020-10-28 19:51:56,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 19:51:56,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:51:56,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 19:51:56,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-28 19:51:56,320 INFO L87 Difference]: Start difference. First operand 5390 states and 6882 transitions. Second operand 11 states. [2020-10-28 19:51:56,924 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-28 19:51:59,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:51:59,412 INFO L93 Difference]: Finished difference Result 11569 states and 15260 transitions. [2020-10-28 19:51:59,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 19:51:59,413 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-28 19:51:59,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:51:59,444 INFO L225 Difference]: With dead ends: 11569 [2020-10-28 19:51:59,444 INFO L226 Difference]: Without dead ends: 6200 [2020-10-28 19:51:59,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2020-10-28 19:51:59,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6200 states. [2020-10-28 19:52:00,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6200 to 5436. [2020-10-28 19:52:00,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5436 states. [2020-10-28 19:52:00,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5436 states to 5436 states and 6828 transitions. [2020-10-28 19:52:00,127 INFO L78 Accepts]: Start accepts. Automaton has 5436 states and 6828 transitions. Word has length 147 [2020-10-28 19:52:00,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:52:00,128 INFO L481 AbstractCegarLoop]: Abstraction has 5436 states and 6828 transitions. [2020-10-28 19:52:00,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 19:52:00,128 INFO L276 IsEmpty]: Start isEmpty. Operand 5436 states and 6828 transitions. [2020-10-28 19:52:00,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-28 19:52:00,132 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:52:00,132 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:52:00,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 19:52:00,132 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:52:00,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:52:00,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1297653410, now seen corresponding path program 1 times [2020-10-28 19:52:00,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:52:00,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072181965] [2020-10-28 19:52:00,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:52:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:00,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:00,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:00,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:00,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:00,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:04,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-28 19:52:05,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:52:05,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 19:52:05,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 165 [2020-10-28 19:52:05,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 19:52:05,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:05,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:52:05,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:52:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:05,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:05,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:52:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:52:05,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:05,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:52:05,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:52:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:05,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:05,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:52:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:05,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:05,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:52:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:52:05,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:05,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:52:05,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:05,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:05,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:05,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:05,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:05,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:05,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:52:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:05,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:05,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:52:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:05,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:05,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:52:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:52:05,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:05,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 19:52:05,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:05,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 19:52:05,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:52:05,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:05,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:52:05,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:52:05,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:05,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:52:05,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:05,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:05,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:05,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:05,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:05,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:05,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:05,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:05,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:05,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 19:52:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:05,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:05,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:05,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:05,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:52:05,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:05,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:52:05,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-28 19:52:05,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072181965] [2020-10-28 19:52:05,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:52:05,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:52:05,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782093740] [2020-10-28 19:52:05,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:52:05,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:52:05,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:52:05,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:52:05,520 INFO L87 Difference]: Start difference. First operand 5436 states and 6828 transitions. Second operand 8 states. [2020-10-28 19:52:08,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:52:08,975 INFO L93 Difference]: Finished difference Result 15023 states and 19616 transitions. [2020-10-28 19:52:08,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:52:08,976 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 147 [2020-10-28 19:52:08,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:52:09,014 INFO L225 Difference]: With dead ends: 15023 [2020-10-28 19:52:09,014 INFO L226 Difference]: Without dead ends: 7302 [2020-10-28 19:52:09,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:52:09,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7302 states. [2020-10-28 19:52:09,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7302 to 6468. [2020-10-28 19:52:09,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6468 states. [2020-10-28 19:52:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6468 states to 6468 states and 8219 transitions. [2020-10-28 19:52:09,662 INFO L78 Accepts]: Start accepts. Automaton has 6468 states and 8219 transitions. Word has length 147 [2020-10-28 19:52:09,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:52:09,663 INFO L481 AbstractCegarLoop]: Abstraction has 6468 states and 8219 transitions. [2020-10-28 19:52:09,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:52:09,663 INFO L276 IsEmpty]: Start isEmpty. Operand 6468 states and 8219 transitions. [2020-10-28 19:52:09,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-28 19:52:09,672 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:52:09,672 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 19:52:09,672 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 19:52:09,672 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:52:09,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:52:09,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1431506456, now seen corresponding path program 1 times [2020-10-28 19:52:09,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:52:09,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [400504355] [2020-10-28 19:52:09,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:52:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:09,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:09,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:09,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:09,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:09,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:09,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:09,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:10,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:10,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-28 19:52:14,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 19:52:14,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 19:52:14,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:14,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-28 19:52:14,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-28 19:52:14,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:14,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:52:14,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:14,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:52:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:14,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:14,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:14,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:52:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:52:14,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:14,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:14,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:52:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:14,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:14,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:14,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:52:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:14,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:14,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:14,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:14,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:52:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:52:14,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:14,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 19:52:14,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:14,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:14,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:14,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:14,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:14,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:14,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:14,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:14,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:14,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:14,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:14,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:14,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:14,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:14,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:52:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:14,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:14,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:52:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:14,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:14,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:14,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 19:52:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:14,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:52:14,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:52:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 19:52:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:14,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:14,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:14,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:52:14,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:14,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:14,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:14,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:52:14,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:14,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 19:52:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:14,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:14,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:52:15,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:15,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 19:52:15,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 19:52:15,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 19:52:15,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:52:15,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:15,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-28 19:52:15,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:15,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 19:52:15,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:52:15,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:52:15,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:15,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 19:52:15,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:15,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:15,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:15,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:15,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:15,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:15,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:15,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:15,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:15,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:15,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:15,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:15,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:15,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:15,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:15,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:15,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:52:15,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-28 19:52:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-28 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:15,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:52:15,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:15,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 19:52:15,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:15,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:15,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:52:15,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:15,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:52:15,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:15,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:15,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:15,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:15,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:15,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:15,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:15,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:15,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:15,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:15,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:15,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:15,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:15,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:15,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:15,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:15,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:15,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:15,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-28 19:52:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:15,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:15,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:15,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:15,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:15,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:15,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:15,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:52:15,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:15,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:15,348 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 31 proven. 12 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2020-10-28 19:52:15,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [400504355] [2020-10-28 19:52:15,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:52:15,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 19:52:15,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433055995] [2020-10-28 19:52:15,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 19:52:15,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:52:15,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 19:52:15,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 19:52:15,350 INFO L87 Difference]: Start difference. First operand 6468 states and 8219 transitions. Second operand 10 states. [2020-10-28 19:52:18,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:52:18,940 INFO L93 Difference]: Finished difference Result 11676 states and 15497 transitions. [2020-10-28 19:52:18,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 19:52:18,941 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 211 [2020-10-28 19:52:18,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:52:18,975 INFO L225 Difference]: With dead ends: 11676 [2020-10-28 19:52:18,975 INFO L226 Difference]: Without dead ends: 7254 [2020-10-28 19:52:18,992 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2020-10-28 19:52:19,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7254 states. [2020-10-28 19:52:19,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7254 to 6458. [2020-10-28 19:52:19,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6458 states. [2020-10-28 19:52:19,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6458 states to 6458 states and 8073 transitions. [2020-10-28 19:52:19,669 INFO L78 Accepts]: Start accepts. Automaton has 6458 states and 8073 transitions. Word has length 211 [2020-10-28 19:52:19,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:52:19,670 INFO L481 AbstractCegarLoop]: Abstraction has 6458 states and 8073 transitions. [2020-10-28 19:52:19,670 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 19:52:19,670 INFO L276 IsEmpty]: Start isEmpty. Operand 6458 states and 8073 transitions. [2020-10-28 19:52:19,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-28 19:52:19,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:52:19,679 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 19:52:19,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 19:52:19,680 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:52:19,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:52:19,680 INFO L82 PathProgramCache]: Analyzing trace with hash 907849700, now seen corresponding path program 1 times [2020-10-28 19:52:19,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:52:19,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296362347] [2020-10-28 19:52:19,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:52:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:19,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:19,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:19,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:19,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:19,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:19,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:20,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-28 19:52:24,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:52:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 19:52:24,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-28 19:52:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:52:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:24,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:52:24,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:24,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:52:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:24,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:24,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:52:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:52:24,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:24,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:52:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:24,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:24,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:52:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:24,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:24,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:24,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:52:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:52:24,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 19:52:24,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:24,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:24,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:24,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:24,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:24,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:24,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:24,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:24,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:24,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:24,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:52:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:24,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:52:24,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:24,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:52:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:24,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:24,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:24,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:52:24,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 19:52:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:24,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:24,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:52:24,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 19:52:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:24,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:24,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:24,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:24,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:24,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:24,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:24,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:24,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:24,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:52:24,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:24,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:24,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 19:52:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-28 19:52:25,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:25,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 19:52:25,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-28 19:52:25,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 19:52:25,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:25,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 19:52:25,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 19:52:25,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:25,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:52:25,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:25,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:25,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:25,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:25,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:25,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:25,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:25,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:25,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:25,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:52:25,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:25,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:25,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 19:52:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 19:52:25,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:25,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 19:52:25,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-28 19:52:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 19:52:25,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:25,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 19:52:25,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 19:52:25,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:25,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:52:25,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:25,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:25,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:25,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:25,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:25,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:25,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:25,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:25,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:25,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:52:25,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:25,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:25,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:25,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-28 19:52:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:25,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:25,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:25,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:25,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:25,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:25,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:25,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:52:25,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:25,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2020-10-28 19:52:25,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [296362347] [2020-10-28 19:52:25,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:52:25,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 19:52:25,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814790620] [2020-10-28 19:52:25,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:52:25,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:52:25,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:52:25,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:52:25,280 INFO L87 Difference]: Start difference. First operand 6458 states and 8073 transitions. Second operand 9 states. [2020-10-28 19:52:28,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:52:28,501 INFO L93 Difference]: Finished difference Result 13718 states and 17660 transitions. [2020-10-28 19:52:28,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 19:52:28,502 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-10-28 19:52:28,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:52:28,532 INFO L225 Difference]: With dead ends: 13718 [2020-10-28 19:52:28,532 INFO L226 Difference]: Without dead ends: 7282 [2020-10-28 19:52:28,553 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2020-10-28 19:52:28,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7282 states. [2020-10-28 19:52:29,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7282 to 6434. [2020-10-28 19:52:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6434 states. [2020-10-28 19:52:29,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6434 states to 6434 states and 7921 transitions. [2020-10-28 19:52:29,278 INFO L78 Accepts]: Start accepts. Automaton has 6434 states and 7921 transitions. Word has length 213 [2020-10-28 19:52:29,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:52:29,279 INFO L481 AbstractCegarLoop]: Abstraction has 6434 states and 7921 transitions. [2020-10-28 19:52:29,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:52:29,279 INFO L276 IsEmpty]: Start isEmpty. Operand 6434 states and 7921 transitions. [2020-10-28 19:52:29,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-28 19:52:29,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:52:29,287 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:52:29,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-28 19:52:29,287 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:52:29,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:52:29,288 INFO L82 PathProgramCache]: Analyzing trace with hash -2034139711, now seen corresponding path program 1 times [2020-10-28 19:52:29,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:52:29,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953146194] [2020-10-28 19:52:29,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:52:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:29,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:29,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:29,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:29,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:30,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-28 19:52:34,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:52:34,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 19:52:34,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-28 19:52:34,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 19:52:34,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:34,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:52:34,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:52:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:34,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:34,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:52:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:52:34,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:34,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:52:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:34,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:34,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:52:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:34,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:34,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:52:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:52:34,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:34,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:52:34,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:34,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:34,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:34,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:34,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:34,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:34,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:52:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:34,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:34,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:52:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:34,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:34,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:52:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:52:34,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:34,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 19:52:34,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:52:34,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:34,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 19:52:34,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:52:34,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:34,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:52:34,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:34,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:34,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:34,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:34,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:34,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 19:52:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:34,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:52:34,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:34,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:52:34,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 19:52:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:34,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:52:34,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:52:34,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 19:52:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 19:52:34,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:34,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 19:52:34,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-28 19:52:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 19:52:34,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:34,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 19:52:34,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 19:52:34,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:34,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:52:34,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:34,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:34,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:34,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:34,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:52:34,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:34,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-28 19:52:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:34,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:34,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:34,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:34,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:34,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:34,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:34,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:52:34,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:34,786 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2020-10-28 19:52:34,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953146194] [2020-10-28 19:52:34,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:52:34,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 19:52:34,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6828766] [2020-10-28 19:52:34,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 19:52:34,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:52:34,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 19:52:34,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:52:34,788 INFO L87 Difference]: Start difference. First operand 6434 states and 7921 transitions. Second operand 9 states. [2020-10-28 19:52:38,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:52:38,809 INFO L93 Difference]: Finished difference Result 19201 states and 25067 transitions. [2020-10-28 19:52:38,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:52:38,810 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-10-28 19:52:38,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:52:38,880 INFO L225 Difference]: With dead ends: 19201 [2020-10-28 19:52:38,880 INFO L226 Difference]: Without dead ends: 12789 [2020-10-28 19:52:38,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2020-10-28 19:52:38,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12789 states. [2020-10-28 19:52:40,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12789 to 11621. [2020-10-28 19:52:40,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11621 states. [2020-10-28 19:52:40,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11621 states to 11621 states and 14626 transitions. [2020-10-28 19:52:40,275 INFO L78 Accepts]: Start accepts. Automaton has 11621 states and 14626 transitions. Word has length 213 [2020-10-28 19:52:40,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:52:40,276 INFO L481 AbstractCegarLoop]: Abstraction has 11621 states and 14626 transitions. [2020-10-28 19:52:40,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 19:52:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 11621 states and 14626 transitions. [2020-10-28 19:52:40,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-28 19:52:40,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:52:40,292 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 19:52:40,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-28 19:52:40,292 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:52:40,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:52:40,292 INFO L82 PathProgramCache]: Analyzing trace with hash -689322076, now seen corresponding path program 1 times [2020-10-28 19:52:40,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:52:40,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448231964] [2020-10-28 19:52:40,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:52:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:40,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:40,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:40,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:41,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-28 19:52:45,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:52:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:52:45,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:52:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-10-28 19:52:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:52:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:45,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:52:45,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:52:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:45,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:45,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:52:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:52:45,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:45,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:52:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:45,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:45,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:52:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:45,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:45,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:52:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:52:45,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:45,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:52:45,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:45,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:45,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:45,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:45,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:45,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:45,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:52:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:45,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:45,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:52:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:45,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:45,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 19:52:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:45,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:45,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-28 19:52:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:45,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:45,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 19:52:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-28 19:52:45,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:45,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 19:52:45,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 19:52:45,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:45,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 19:52:45,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 19:52:45,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:52:45,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 19:52:45,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:45,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:45,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:45,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:45,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:52:45,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:45,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-28 19:52:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 19:52:45,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 19:52:45,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:52:45,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 19:52:45,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:52:45,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 19:52:45,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:52:45,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:52:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-28 19:52:45,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:52:45,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 19:52:45,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:52:45,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:52:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 19:52:45,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:52:45,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:45,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:45,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:45,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:45,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:52:45,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:52:45,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:52:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:52:45,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-28 19:52:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:45,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:45,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:45,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:45,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:45,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:45,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:45,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:45,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:45,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:52:45,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:45,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:45,907 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-10-28 19:52:45,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448231964] [2020-10-28 19:52:45,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:52:45,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 19:52:45,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378214267] [2020-10-28 19:52:45,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 19:52:45,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:52:45,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 19:52:45,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-28 19:52:45,910 INFO L87 Difference]: Start difference. First operand 11621 states and 14626 transitions. Second operand 12 states. [2020-10-28 19:52:46,619 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-28 19:52:49,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:52:49,543 INFO L93 Difference]: Finished difference Result 20352 states and 26566 transitions. [2020-10-28 19:52:49,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 19:52:49,543 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 214 [2020-10-28 19:52:49,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:52:49,579 INFO L225 Difference]: With dead ends: 20352 [2020-10-28 19:52:49,580 INFO L226 Difference]: Without dead ends: 8552 [2020-10-28 19:52:49,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2020-10-28 19:52:49,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8552 states. [2020-10-28 19:52:50,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8552 to 7828. [2020-10-28 19:52:50,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7828 states. [2020-10-28 19:52:50,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7828 states to 7828 states and 9574 transitions. [2020-10-28 19:52:50,427 INFO L78 Accepts]: Start accepts. Automaton has 7828 states and 9574 transitions. Word has length 214 [2020-10-28 19:52:50,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:52:50,427 INFO L481 AbstractCegarLoop]: Abstraction has 7828 states and 9574 transitions. [2020-10-28 19:52:50,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 19:52:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 7828 states and 9574 transitions. [2020-10-28 19:52:50,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-10-28 19:52:50,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:52:50,437 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:52:50,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-28 19:52:50,437 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:52:50,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:52:50,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1004768231, now seen corresponding path program 1 times [2020-10-28 19:52:50,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:52:50,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1159363834] [2020-10-28 19:52:50,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:52:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:50,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:50,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:50,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:50,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:50,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:51,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:51,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 344 [2020-10-28 19:52:55,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 19:52:55,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 19:52:55,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 220 [2020-10-28 19:52:55,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 19:52:55,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:55,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:52:55,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:52:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:52:55,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:55,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:52:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:52:55,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:55,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:52:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:55,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:55,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:52:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:55,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:55,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:52:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:52:55,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:52:55,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:55,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:55,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:55,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:55,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:55,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:55,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:52:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:52:55,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:55,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 19:52:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:55,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:55,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 19:52:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:52:55,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:52:55,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:52:55,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:52:55,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:52:55,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:52:55,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:55,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:55,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:55,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:55,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:52:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:55,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:55,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-28 19:52:55,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:55,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:55,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 19:52:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:55,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:55,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-28 19:52:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:55,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:55,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 19:52:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 19:52:55,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 19:52:55,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 19:52:55,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 19:52:55,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:52:55,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:52:55,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 19:52:55,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:52:55,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:52:55,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:55,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:55,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:52:55,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:52:55,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:52:55,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:52:55,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 19:52:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:55,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:52:55,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 19:52:55,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-28 19:52:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 19:52:55,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:52:55,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 19:52:55,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 19:52:55,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:52:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 19:52:55,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:52:55,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:52:55,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:52:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 19:52:55,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:52:55,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 19:52:55,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:52:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:52:55,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:55,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:52:55,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:52:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:52:55,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:55,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:52:55,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 19:52:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:52:55,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:52:55,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:52:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:52:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:52:55,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-28 19:52:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:52:55,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:52:55,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:52:55,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:52:55,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:52:55,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:52:55,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:52:55,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:52:55,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:52:55,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:52:55,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:52:55,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:52:55,980 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 82 proven. 15 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2020-10-28 19:52:55,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1159363834] [2020-10-28 19:52:55,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:52:55,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 19:52:55,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614790556] [2020-10-28 19:52:55,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 19:52:55,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:52:55,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 19:52:55,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-28 19:52:55,983 INFO L87 Difference]: Start difference. First operand 7828 states and 9574 transitions. Second operand 11 states. [2020-10-28 19:53:00,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:53:00,586 INFO L93 Difference]: Finished difference Result 13136 states and 16970 transitions. [2020-10-28 19:53:00,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 19:53:00,586 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 264 [2020-10-28 19:53:00,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:53:00,623 INFO L225 Difference]: With dead ends: 13136 [2020-10-28 19:53:00,624 INFO L226 Difference]: Without dead ends: 8564 [2020-10-28 19:53:00,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2020-10-28 19:53:00,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8564 states. [2020-10-28 19:53:01,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8564 to 7828. [2020-10-28 19:53:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7828 states. [2020-10-28 19:53:01,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7828 states to 7828 states and 9516 transitions. [2020-10-28 19:53:01,494 INFO L78 Accepts]: Start accepts. Automaton has 7828 states and 9516 transitions. Word has length 264 [2020-10-28 19:53:01,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:53:01,495 INFO L481 AbstractCegarLoop]: Abstraction has 7828 states and 9516 transitions. [2020-10-28 19:53:01,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 19:53:01,495 INFO L276 IsEmpty]: Start isEmpty. Operand 7828 states and 9516 transitions. [2020-10-28 19:53:01,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2020-10-28 19:53:01,507 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:53:01,507 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:53:01,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-28 19:53:01,507 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:53:01,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:53:01,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1975559762, now seen corresponding path program 1 times [2020-10-28 19:53:01,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:53:01,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [358698151] [2020-10-28 19:53:01,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:53:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:01,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:01,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:01,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:01,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:01,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:01,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 478 [2020-10-28 19:53:06,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:53:06,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 19:53:06,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:53:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-28 19:53:06,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-28 19:53:06,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:06,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 19:53:06,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:53:06,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:53:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:06,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:06,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:53:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:53:06,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:06,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:53:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:06,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:06,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:53:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:53:06,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:06,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:53:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:53:06,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:53:06,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:06,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:06,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:06,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:06,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:53:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:06,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:06,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:53:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:53:06,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:53:06,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:53:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 19:53:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 19:53:06,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:53:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 19:53:06,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 19:53:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:53:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:06,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:06,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 19:53:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:06,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:06,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:53:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:06,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:06,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 19:53:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:53:06,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:06,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:06,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:53:06,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 19:53:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:53:06,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:53:06,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:53:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:53:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:53:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 19:53:06,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 19:53:06,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:53:06,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-28 19:53:06,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:06,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:06,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:06,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:06,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 19:53:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:06,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:06,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 19:53:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:53:06,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:53:06,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:53:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 19:53:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 19:53:06,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-28 19:53:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:06,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:06,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:53:06,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-28 19:53:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:53:06,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:06,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 19:53:06,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:06,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:06,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:06,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:06,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-28 19:53:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:06,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:06,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:06,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:06,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:06,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:06,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:06,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:53:06,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:06,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-28 19:53:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:53:07,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:53:07,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 19:53:07,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 19:53:07,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:53:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:53:07,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:53:07,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:53:07,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:53:07,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:53:07,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 19:53:07,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:07,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:07,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:07,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:07,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:53:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:07,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:07,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-28 19:53:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:07,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:07,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:53:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-28 19:53:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:07,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:07,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-28 19:53:07,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-28 19:53:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 19:53:07,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:53:07,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 19:53:07,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:53:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 19:53:07,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:53:07,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 19:53:07,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:53:07,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:07,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:07,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 19:53:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:07,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:07,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:53:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:07,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:07,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2020-10-28 19:53:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 19:53:07,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 19:53:07,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 19:53:07,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:53:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 19:53:07,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:53:07,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 19:53:07,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:53:07,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:07,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:07,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:07,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:07,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 19:53:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:07,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:07,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-28 19:53:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:07,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:07,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:07,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:07,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:07,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:07,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:07,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:07,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:07,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:53:07,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:07,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:07,439 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 49 proven. 5 refuted. 0 times theorem prover too weak. 449 trivial. 0 not checked. [2020-10-28 19:53:07,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [358698151] [2020-10-28 19:53:07,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:53:07,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 19:53:07,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948626873] [2020-10-28 19:53:07,441 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 19:53:07,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:53:07,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 19:53:07,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2020-10-28 19:53:07,441 INFO L87 Difference]: Start difference. First operand 7828 states and 9516 transitions. Second operand 14 states. [2020-10-28 19:53:10,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:53:10,011 INFO L93 Difference]: Finished difference Result 16058 states and 19812 transitions. [2020-10-28 19:53:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 19:53:10,011 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 372 [2020-10-28 19:53:10,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:53:10,053 INFO L225 Difference]: With dead ends: 16058 [2020-10-28 19:53:10,054 INFO L226 Difference]: Without dead ends: 8250 [2020-10-28 19:53:10,075 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-28 19:53:10,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8250 states. [2020-10-28 19:53:11,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8250 to 7828. [2020-10-28 19:53:11,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7828 states. [2020-10-28 19:53:11,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7828 states to 7828 states and 9355 transitions. [2020-10-28 19:53:11,099 INFO L78 Accepts]: Start accepts. Automaton has 7828 states and 9355 transitions. Word has length 372 [2020-10-28 19:53:11,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:53:11,099 INFO L481 AbstractCegarLoop]: Abstraction has 7828 states and 9355 transitions. [2020-10-28 19:53:11,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 19:53:11,099 INFO L276 IsEmpty]: Start isEmpty. Operand 7828 states and 9355 transitions. [2020-10-28 19:53:11,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2020-10-28 19:53:11,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:53:11,109 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:53:11,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-28 19:53:11,109 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:53:11,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:53:11,110 INFO L82 PathProgramCache]: Analyzing trace with hash 387838286, now seen corresponding path program 1 times [2020-10-28 19:53:11,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:53:11,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017864039] [2020-10-28 19:53:11,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:53:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:11,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:11,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:11,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:11,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:11,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:11,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:11,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:11,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 478 [2020-10-28 19:53:16,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:53:16,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 19:53:16,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 326 [2020-10-28 19:53:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 19:53:16,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:16,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:53:16,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 19:53:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:53:16,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:16,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:53:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:53:16,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:16,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:53:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:16,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:53:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:53:16,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 19:53:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:53:16,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:53:16,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:16,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:16,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:16,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:53:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:16,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:16,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 19:53:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:53:16,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 19:53:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 19:53:16,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:53:16,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 19:53:16,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:53:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:16,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:16,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 19:53:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:16,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:16,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:53:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:16,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:16,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 19:53:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:53:16,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:16,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 19:53:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:53:16,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 19:53:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-28 19:53:16,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:16,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:16,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:16,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:16,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:16,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 19:53:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:16,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:16,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 19:53:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:53:16,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-28 19:53:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:16,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:53:16,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-28 19:53:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 19:53:16,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:16,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-28 19:53:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:16,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-28 19:53:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 19:53:16,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:53:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 19:53:16,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:53:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-28 19:53:16,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:53:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 19:53:16,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-28 19:53:16,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:53:16,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:53:16,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:16,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:16,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 19:53:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:16,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-28 19:53:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:16,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-28 19:53:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:16,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:53:16,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:53:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 19:53:16,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-28 19:53:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 19:53:16,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:53:16,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 19:53:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:53:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 19:53:16,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:53:16,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 19:53:16,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:53:16,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:16,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-28 19:53:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:16,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 19:53:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:16,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2020-10-28 19:53:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-28 19:53:16,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:53:16,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-28 19:53:16,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-28 19:53:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 19:53:16,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:53:16,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:53:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 19:53:16,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:53:16,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:53:16,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 19:53:16,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 19:53:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:16,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 19:53:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 19:53:16,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:53:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-10-28 19:53:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:16,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:16,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:53:16,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 19:53:16,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:53:16,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:53:16,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:53:16,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:53:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:53:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 19:53:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:53:16,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:53:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 54 proven. 4 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2020-10-28 19:53:16,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017864039] [2020-10-28 19:53:16,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 19:53:16,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 19:53:16,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73331079] [2020-10-28 19:53:16,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 19:53:16,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:53:16,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 19:53:16,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 19:53:16,990 INFO L87 Difference]: Start difference. First operand 7828 states and 9355 transitions. Second operand 11 states. [2020-10-28 19:53:20,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:53:20,067 INFO L93 Difference]: Finished difference Result 10706 states and 13004 transitions. [2020-10-28 19:53:20,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:53:20,067 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 372 [2020-10-28 19:53:20,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:53:20,078 INFO L225 Difference]: With dead ends: 10706 [2020-10-28 19:53:20,079 INFO L226 Difference]: Without dead ends: 2502 [2020-10-28 19:53:20,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2020-10-28 19:53:20,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2502 states. [2020-10-28 19:53:20,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2502 to 2380. [2020-10-28 19:53:20,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2380 states. [2020-10-28 19:53:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 2380 states and 2659 transitions. [2020-10-28 19:53:20,319 INFO L78 Accepts]: Start accepts. Automaton has 2380 states and 2659 transitions. Word has length 372 [2020-10-28 19:53:20,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:53:20,320 INFO L481 AbstractCegarLoop]: Abstraction has 2380 states and 2659 transitions. [2020-10-28 19:53:20,320 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 19:53:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 2659 transitions. [2020-10-28 19:53:20,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2020-10-28 19:53:20,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:53:20,325 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 19:53:20,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-28 19:53:20,325 INFO L429 AbstractCegarLoop]: === Iteration 21 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:53:20,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:53:20,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1497367624, now seen corresponding path program 1 times [2020-10-28 19:53:20,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:53:20,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142733268] [2020-10-28 19:53:20,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:53:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:53:20,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:53:20,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking...