/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/eca-rers2012/Problem19_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:17:04,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:17:04,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:17:04,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:17:04,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:17:04,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:17:04,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:17:04,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:17:04,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:17:04,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:17:04,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:17:04,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:17:04,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:17:04,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:17:04,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:17:04,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:17:04,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:17:04,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:17:04,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:17:04,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:17:04,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:17:04,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:17:04,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:17:04,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:17:04,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:17:04,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:17:04,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:17:04,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:17:04,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:17:04,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:17:04,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:17:04,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:17:04,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:17:04,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:17:04,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:17:04,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:17:04,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:17:04,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:17:04,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:17:04,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:17:04,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:17:04,485 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 14:17:04,520 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:17:04,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:17:04,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:17:04,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:17:04,525 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:17:04,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:17:04,525 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:17:04,526 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:17:04,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:17:04,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:17:04,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:17:04,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:17:04,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:17:04,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:17:04,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:17:04,528 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:17:04,528 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:17:04,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:17:04,529 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:17:04,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:17:04,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:17:04,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:17:04,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:17:04,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:17:04,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:17:04,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:17:04,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:17:04,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:17:04,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:17:04,532 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:17:05,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:17:05,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:17:05,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:17:05,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:17:05,111 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:17:05,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem19_label53.c [2020-10-28 14:17:05,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91127a939/9be7671ff2cf472baa3882bd41d9f881/FLAG999948378 [2020-10-28 14:17:06,849 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:17:06,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem19_label53.c [2020-10-28 14:17:06,927 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91127a939/9be7671ff2cf472baa3882bd41d9f881/FLAG999948378 [2020-10-28 14:17:07,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91127a939/9be7671ff2cf472baa3882bd41d9f881 [2020-10-28 14:17:07,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:17:07,438 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:17:07,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:17:07,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:17:07,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:17:07,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:17:07" (1/1) ... [2020-10-28 14:17:07,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e918245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:17:07, skipping insertion in model container [2020-10-28 14:17:07,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:17:07" (1/1) ... [2020-10-28 14:17:07,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:17:07,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:17:10,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:17:10,222 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:17:11,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:17:11,520 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:17:11,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:17:11 WrapperNode [2020-10-28 14:17:11,521 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:17:11,522 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:17:11,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:17:11,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:17:11,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:17:11" (1/1) ... [2020-10-28 14:17:11,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:17:11" (1/1) ... [2020-10-28 14:17:11,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:17:11" (1/1) ... [2020-10-28 14:17:11,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:17:11" (1/1) ... [2020-10-28 14:17:11,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:17:11" (1/1) ... [2020-10-28 14:17:12,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:17:11" (1/1) ... [2020-10-28 14:17:12,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:17:11" (1/1) ... [2020-10-28 14:17:12,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:17:12,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:17:12,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:17:12,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:17:12,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:17:11" (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 14:17:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:17:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:17:12,287 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:17:12,287 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 14:17:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-28 14:17:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2020-10-28 14:17:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2020-10-28 14:17:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2020-10-28 14:17:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2020-10-28 14:17:12,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:17:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 14:17:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-28 14:17:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2020-10-28 14:17:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2020-10-28 14:17:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2020-10-28 14:17:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2020-10-28 14:17:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:17:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:17:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:17:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:17:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 14:17:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 14:17:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:17:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:17:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:17:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:17:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:17:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:17:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:17:30,603 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:17:30,603 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 14:17:30,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:17:30 BoogieIcfgContainer [2020-10-28 14:17:30,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:17:30,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:17:30,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:17:30,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:17:30,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:17:07" (1/3) ... [2020-10-28 14:17:30,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6d6ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:17:30, skipping insertion in model container [2020-10-28 14:17:30,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:17:11" (2/3) ... [2020-10-28 14:17:30,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6d6ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:17:30, skipping insertion in model container [2020-10-28 14:17:30,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:17:30" (3/3) ... [2020-10-28 14:17:30,620 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem19_label53.c [2020-10-28 14:17:30,635 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:17:30,642 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:17:30,657 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:17:30,698 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:17:30,698 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:17:30,699 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:17:30,699 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:17:30,699 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:17:30,699 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:17:30,699 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:17:30,699 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:17:30,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states. [2020-10-28 14:17:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-28 14:17:30,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:17:30,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:17:30,769 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:17:30,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:17:30,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1080953501, now seen corresponding path program 1 times [2020-10-28 14:17:30,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:17:30,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043985677] [2020-10-28 14:17:30,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:17:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:17:31,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:17:31,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:17:31,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 14:17:31,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:17:31,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 542 [2020-10-28 14:17:31,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:17:31,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:17:31,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:17:31,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:17:31,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 14:17:31,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 14:17:31,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:17:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:17:31,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:17:31,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:17:31,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:17:31,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:17:31,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 14:17:31,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:17:31,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:17:31,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:17:31,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:17:31,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:17:31,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:17:31,846 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 14:17:31,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043985677] [2020-10-28 14:17:31,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:17:31,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 14:17:31,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597447757] [2020-10-28 14:17:31,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 14:17:31,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:17:31,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 14:17:31,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 14:17:31,875 INFO L87 Difference]: Start difference. First operand 1781 states. Second operand 4 states. [2020-10-28 14:18:08,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:18:08,453 INFO L93 Difference]: Finished difference Result 5100 states and 9572 transitions. [2020-10-28 14:18:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 14:18:08,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-28 14:18:08,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:18:08,517 INFO L225 Difference]: With dead ends: 5100 [2020-10-28 14:18:08,517 INFO L226 Difference]: Without dead ends: 3255 [2020-10-28 14:18:08,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 14:18:08,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2020-10-28 14:18:08,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 3209. [2020-10-28 14:18:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3209 states. [2020-10-28 14:18:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 3209 states and 5178 transitions. [2020-10-28 14:18:08,825 INFO L78 Accepts]: Start accepts. Automaton has 3209 states and 5178 transitions. Word has length 18 [2020-10-28 14:18:08,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:18:08,827 INFO L481 AbstractCegarLoop]: Abstraction has 3209 states and 5178 transitions. [2020-10-28 14:18:08,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 14:18:08,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 5178 transitions. [2020-10-28 14:18:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-28 14:18:08,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:18:08,839 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 14:18:08,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:18:08,840 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:18:08,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:18:08,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1109637356, now seen corresponding path program 1 times [2020-10-28 14:18:08,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:18:08,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392893684] [2020-10-28 14:18:08,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:18:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:18:09,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:18:09,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:18:10,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:18:10,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:18:10,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-28 14:18:10,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 14:18:10,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1568 [2020-10-28 14:18:10,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:18:10,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:18:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:18:10,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:18:10,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-28 14:18:10,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 14:18:10,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:18:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:18:10,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:18:10,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:18:10,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:18:10,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:18:10,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 14:18:10,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:18:10,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:18:10,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:18:10,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:18:10,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:18:10,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:18:10,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 14:18:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:18:10,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:18:10,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:18:10,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-28 14:18:10,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:18:10,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-28 14:18:10,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:18:10,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:18:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:18:10,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:18:10,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 14:18:10,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:18:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:18:11,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392893684] [2020-10-28 14:18:11,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:18:11,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:18:11,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957514574] [2020-10-28 14:18:11,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:18:11,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:18:11,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:18:11,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:18:11,055 INFO L87 Difference]: Start difference. First operand 3209 states and 5178 transitions. Second operand 7 states. [2020-10-28 14:19:00,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:19:00,959 INFO L93 Difference]: Finished difference Result 9572 states and 15537 transitions. [2020-10-28 14:19:00,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 14:19:00,961 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-28 14:19:00,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:19:01,006 INFO L225 Difference]: With dead ends: 9572 [2020-10-28 14:19:01,006 INFO L226 Difference]: Without dead ends: 6369 [2020-10-28 14:19:01,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-28 14:19:01,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6369 states. [2020-10-28 14:19:01,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6369 to 6276. [2020-10-28 14:19:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6276 states. [2020-10-28 14:19:01,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6276 states to 6276 states and 8872 transitions. [2020-10-28 14:19:01,256 INFO L78 Accepts]: Start accepts. Automaton has 6276 states and 8872 transitions. Word has length 93 [2020-10-28 14:19:01,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:19:01,257 INFO L481 AbstractCegarLoop]: Abstraction has 6276 states and 8872 transitions. [2020-10-28 14:19:01,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:19:01,257 INFO L276 IsEmpty]: Start isEmpty. Operand 6276 states and 8872 transitions. [2020-10-28 14:19:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-28 14:19:01,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:19:01,272 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 14:19:01,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:19:01,273 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:19:01,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:19:01,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1475006343, now seen corresponding path program 1 times [2020-10-28 14:19:01,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:19:01,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378052875] [2020-10-28 14:19:01,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:19:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:19:01,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:01,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:01,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:02,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:02,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:03,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:19:03,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 14:19:03,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 14:19:03,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2052 [2020-10-28 14:19:03,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:19:03,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:19:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:19:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 94 [2020-10-28 14:19:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:19:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:19:03,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:19:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:19:03,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:03,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:19:03,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:19:03,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:19:03,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:19:03,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:19:03,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:19:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:19:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:19:03,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:19:03,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:19:03,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 14:19:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:19:03,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:03,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:19:03,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 14:19:03,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:19:03,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-28 14:19:03,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:19:03,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:19:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:19:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-28 14:19:03,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:19:03,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:19:03,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:19:03,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378052875] [2020-10-28 14:19:03,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:19:03,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 14:19:03,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163928449] [2020-10-28 14:19:03,741 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 14:19:03,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:19:03,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 14:19:03,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 14:19:03,743 INFO L87 Difference]: Start difference. First operand 6276 states and 8872 transitions. Second operand 5 states. [2020-10-28 14:19:47,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:19:47,947 INFO L93 Difference]: Finished difference Result 18230 states and 26132 transitions. [2020-10-28 14:19:47,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 14:19:47,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-28 14:19:47,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:19:48,028 INFO L225 Difference]: With dead ends: 18230 [2020-10-28 14:19:48,029 INFO L226 Difference]: Without dead ends: 11960 [2020-10-28 14:19:48,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 14:19:48,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11960 states. [2020-10-28 14:19:48,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11960 to 11950. [2020-10-28 14:19:48,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11950 states. [2020-10-28 14:19:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11950 states to 11950 states and 16687 transitions. [2020-10-28 14:19:48,447 INFO L78 Accepts]: Start accepts. Automaton has 11950 states and 16687 transitions. Word has length 104 [2020-10-28 14:19:48,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:19:48,450 INFO L481 AbstractCegarLoop]: Abstraction has 11950 states and 16687 transitions. [2020-10-28 14:19:48,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 14:19:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 11950 states and 16687 transitions. [2020-10-28 14:19:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-28 14:19:48,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:19:48,457 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-28 14:19:48,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 14:19:48,458 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:19:48,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:19:48,459 INFO L82 PathProgramCache]: Analyzing trace with hash -113341559, now seen corresponding path program 1 times [2020-10-28 14:19:48,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:19:48,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493485214] [2020-10-28 14:19:48,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:19:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:19:48,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:48,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:48,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:49,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:50,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:19:50,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 14:19:50,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:19:50,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1514 [2020-10-28 14:19:50,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:19:50,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:19:50,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:19:50,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:19:50,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-28 14:19:50,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:19:50,224 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-28 14:19:50,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:19:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:19:50,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:50,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:19:50,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:19:50,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:19:50,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 14:19:50,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:19:50,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:19:50,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:19:50,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:19:50,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:19:50,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:19:50,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 14:19:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:19:50,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:19:50,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:19:50,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 14:19:50,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:19:50,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-28 14:19:50,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:19:50,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:19:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:19:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:19:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-28 14:19:50,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:19:50,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:19:50,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493485214] [2020-10-28 14:19:50,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:19:50,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:19:50,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940484734] [2020-10-28 14:19:50,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:19:50,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:19:50,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:19:50,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:19:50,631 INFO L87 Difference]: Start difference. First operand 11950 states and 16687 transitions. Second operand 7 states. [2020-10-28 14:19:50,835 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-28 14:19:59,700 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-28 14:21:06,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:21:06,213 INFO L93 Difference]: Finished difference Result 28630 states and 42210 transitions. [2020-10-28 14:21:06,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 14:21:06,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2020-10-28 14:21:06,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:21:06,311 INFO L225 Difference]: With dead ends: 28630 [2020-10-28 14:21:06,312 INFO L226 Difference]: Without dead ends: 16686 [2020-10-28 14:21:06,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:21:06,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16686 states. [2020-10-28 14:21:07,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16686 to 14954. [2020-10-28 14:21:07,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14954 states. [2020-10-28 14:21:07,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14954 states to 14954 states and 21726 transitions. [2020-10-28 14:21:07,063 INFO L78 Accepts]: Start accepts. Automaton has 14954 states and 21726 transitions. Word has length 104 [2020-10-28 14:21:07,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:21:07,066 INFO L481 AbstractCegarLoop]: Abstraction has 14954 states and 21726 transitions. [2020-10-28 14:21:07,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:21:07,066 INFO L276 IsEmpty]: Start isEmpty. Operand 14954 states and 21726 transitions. [2020-10-28 14:21:07,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-28 14:21:07,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:21:07,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:21:07,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 14:21:07,073 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:21:07,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:21:07,074 INFO L82 PathProgramCache]: Analyzing trace with hash -157449477, now seen corresponding path program 1 times [2020-10-28 14:21:07,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:21:07,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740535398] [2020-10-28 14:21:07,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:21:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:21:07,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:21:07,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:21:08,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:21:08,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-28 14:21:08,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:21:08,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1393 [2020-10-28 14:21:08,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:21:08,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:21:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:21:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:21:08,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-10-28 14:21:08,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:21:08,741 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-28 14:21:08,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:21:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:21:08,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:21:08,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:21:08,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:21:08,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:21:08,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 14:21:08,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:21:08,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:21:08,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:21:08,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:21:08,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:21:08,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 14:21:08,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 14:21:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:21:08,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:21:09,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:21:09,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-28 14:21:09,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:21:09,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-28 14:21:09,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:21:09,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:21:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:21:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:21:09,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-28 14:21:09,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0