/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=DEEPEST --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/heap-manipulation/dancing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 19:51:28,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 19:51:28,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 19:51:28,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 19:51:28,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 19:51:28,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 19:51:28,801 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 19:51:28,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 19:51:28,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 19:51:28,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 19:51:28,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 19:51:28,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 19:51:28,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 19:51:28,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 19:51:28,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 19:51:28,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 19:51:28,815 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 19:51:28,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 19:51:28,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 19:51:28,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 19:51:28,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 19:51:28,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 19:51:28,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 19:51:28,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 19:51:28,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 19:51:28,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 19:51:28,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 19:51:28,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 19:51:28,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 19:51:28,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 19:51:28,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 19:51:28,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 19:51:28,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 19:51:28,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 19:51:28,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 19:51:28,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 19:51:28,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 19:51:28,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 19:51:28,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 19:51:28,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 19:51:28,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 19:51:28,856 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 [2020-10-27 19:51:28,885 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 19:51:28,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 19:51:28,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 19:51:28,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 19:51:28,888 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 19:51:28,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 19:51:28,889 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 19:51:28,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 19:51:28,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 19:51:28,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 19:51:28,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 19:51:28,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 19:51:28,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 19:51:28,891 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 19:51:28,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 19:51:28,891 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 19:51:28,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 19:51:28,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 19:51:28,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 19:51:28,892 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 19:51:28,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 19:51:28,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:51:28,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 19:51:28,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 19:51:28,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 19:51:28,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 19:51:28,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 19:51:28,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 19:51:28,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 19:51:28,895 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 19:51:29,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 19:51:29,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 19:51:29,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 19:51:29,310 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 19:51:29,311 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 19:51:29,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dancing.i [2020-10-27 19:51:29,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0de2c44e9/d4e5467d46294e5591da7b8b4805f293/FLAG1472bd717 [2020-10-27 19:51:30,272 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 19:51:30,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dancing.i [2020-10-27 19:51:30,295 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0de2c44e9/d4e5467d46294e5591da7b8b4805f293/FLAG1472bd717 [2020-10-27 19:51:30,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0de2c44e9/d4e5467d46294e5591da7b8b4805f293 [2020-10-27 19:51:30,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 19:51:30,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 19:51:30,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 19:51:30,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 19:51:30,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 19:51:30,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:51:30" (1/1) ... [2020-10-27 19:51:30,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a15b797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:30, skipping insertion in model container [2020-10-27 19:51:30,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:51:30" (1/1) ... [2020-10-27 19:51:30,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 19:51:30,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 19:51:30,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:51:30,897 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 19:51:30,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:51:31,041 INFO L208 MainTranslator]: Completed translation [2020-10-27 19:51:31,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:31 WrapperNode [2020-10-27 19:51:31,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 19:51:31,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 19:51:31,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 19:51:31,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 19:51:31,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:31" (1/1) ... [2020-10-27 19:51:31,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:31" (1/1) ... [2020-10-27 19:51:31,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:31" (1/1) ... [2020-10-27 19:51:31,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:31" (1/1) ... [2020-10-27 19:51:31,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:31" (1/1) ... [2020-10-27 19:51:31,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:31" (1/1) ... [2020-10-27 19:51:31,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:31" (1/1) ... [2020-10-27 19:51:31,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 19:51:31,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 19:51:31,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 19:51:31,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 19:51:31,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:31" (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 [2020-10-27 19:51:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 19:51:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 19:51:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 19:51:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 19:51:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 19:51:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 19:51:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 19:51:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure remove [2020-10-27 19:51:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure re_insert [2020-10-27 19:51:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure is_list_containing_x [2020-10-27 19:51:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 19:51:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 19:51:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 19:51:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 19:51:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 19:51:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 19:51:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 19:51:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 19:51:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 19:51:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 19:51:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 19:51:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 19:51:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 19:51:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 19:51:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 19:51:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 19:51:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 19:51:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 19:51:31,220 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 19:51:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 19:51:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 19:51:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 19:51:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 19:51:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 19:51:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 19:51:31,221 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 19:51:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 19:51:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 19:51:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 19:51:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 19:51:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 19:51:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 19:51:31,222 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 19:51:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 19:51:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 19:51:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 19:51:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 19:51:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 19:51:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 19:51:31,223 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 19:51:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 19:51:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 19:51:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 19:51:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 19:51:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 19:51:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 19:51:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 19:51:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 19:51:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 19:51:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 19:51:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 19:51:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 19:51:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 19:51:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 19:51:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 19:51:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 19:51:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 19:51:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 19:51:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 19:51:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 19:51:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 19:51:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 19:51:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 19:51:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 19:51:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 19:51:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 19:51:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 19:51:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 19:51:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 19:51:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 19:51:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 19:51:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 19:51:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 19:51:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 19:51:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 19:51:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 19:51:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 19:51:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 19:51:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 19:51:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 19:51:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 19:51:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 19:51:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 19:51:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 19:51:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 19:51:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 19:51:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 19:51:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 19:51:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 19:51:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 19:51:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 19:51:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 19:51:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 19:51:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 19:51:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 19:51:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 19:51:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 19:51:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 19:51:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 19:51:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 19:51:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 19:51:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 19:51:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 19:51:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 19:51:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 19:51:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 19:51:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 19:51:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 19:51:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 19:51:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 19:51:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 19:51:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-10-27 19:51:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 19:51:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 19:51:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure re_insert [2020-10-27 19:51:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure is_list_containing_x [2020-10-27 19:51:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 19:51:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 19:51:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 19:51:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 19:51:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 19:51:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 19:51:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 19:51:31,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 19:51:32,036 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 19:51:32,036 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 19:51:32,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:51:32 BoogieIcfgContainer [2020-10-27 19:51:32,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 19:51:32,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 19:51:32,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 19:51:32,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 19:51:32,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:51:30" (1/3) ... [2020-10-27 19:51:32,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a963af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:51:32, skipping insertion in model container [2020-10-27 19:51:32,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:31" (2/3) ... [2020-10-27 19:51:32,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a963af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:51:32, skipping insertion in model container [2020-10-27 19:51:32,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:51:32" (3/3) ... [2020-10-27 19:51:32,062 INFO L111 eAbstractionObserver]: Analyzing ICFG dancing.i [2020-10-27 19:51:32,075 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 19:51:32,081 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 19:51:32,098 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 19:51:32,145 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 19:51:32,145 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 19:51:32,145 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 19:51:32,145 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 19:51:32,145 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 19:51:32,146 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 19:51:32,146 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 19:51:32,146 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 19:51:32,175 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-10-27 19:51:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-27 19:51:32,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:51:32,186 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] [2020-10-27 19:51:32,186 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:51:32,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:51:32,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1304624623, now seen corresponding path program 1 times [2020-10-27 19:51:32,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:51:32,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370503738] [2020-10-27 19:51:32,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:51:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:32,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:32,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:32,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:33,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:33,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:34,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:34,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-27 19:51:34,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 19:51:34,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2411 [2020-10-27 19:51:34,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:34,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:51:34,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 19:51:34,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:51:34,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 19:51:34,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:51:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:34,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:34,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:34,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:51:34,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:34,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:51:34,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:34,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:34,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:34,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 19:51:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:34,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:34,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:34,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:34,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:34,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:51:34,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:34,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:34,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:34,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:34,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:34,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:51:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:34,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:34,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:34,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:34,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:34,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:51:34,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:51:34,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:34,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:34,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 19:51:34,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:34,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:35,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 19:51:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:35,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:35,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:35,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:51:35,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:35,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:51:35,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:35,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:35,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 19:51:35,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370503738] [2020-10-27 19:51:35,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:51:35,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 19:51:35,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75076752] [2020-10-27 19:51:35,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 19:51:35,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:51:35,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 19:51:35,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 19:51:35,110 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 7 states. [2020-10-27 19:51:35,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:51:35,629 INFO L93 Difference]: Finished difference Result 124 states and 162 transitions. [2020-10-27 19:51:35,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 19:51:35,631 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-10-27 19:51:35,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:51:35,642 INFO L225 Difference]: With dead ends: 124 [2020-10-27 19:51:35,642 INFO L226 Difference]: Without dead ends: 67 [2020-10-27 19:51:35,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-27 19:51:35,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-27 19:51:35,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 58. [2020-10-27 19:51:35,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-27 19:51:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2020-10-27 19:51:35,700 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 33 [2020-10-27 19:51:35,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:51:35,701 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2020-10-27 19:51:35,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 19:51:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2020-10-27 19:51:35,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-27 19:51:35,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:51:35,704 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 19:51:35,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 19:51:35,705 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:51:35,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:51:35,706 INFO L82 PathProgramCache]: Analyzing trace with hash -863833686, now seen corresponding path program 1 times [2020-10-27 19:51:35,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:51:35,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187105980] [2020-10-27 19:51:35,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:51:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:35,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:35,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:35,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:35,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:36,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:36,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-27 19:51:36,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:51:36,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1232 [2020-10-27 19:51:36,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:51:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-10-27 19:51:36,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:51:36,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:37,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:51:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:37,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:37,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:37,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:51:37,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:37,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:51:37,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:37,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:37,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:37,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:37,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 19:51:37,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 19:51:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:37,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:37,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:37,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:37,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:37,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:51:37,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:37,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:37,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:37,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:51:37,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:51:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:37,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:37,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:37,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:37,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:37,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:51:37,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:37,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:37,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:37,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 19:51:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:37,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:37,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:37,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:51:37,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:37,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:51:37,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:37,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-27 19:51:37,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 19:51:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:37,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:37,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:37,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:37,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:37,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:51:37,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:51:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:51:37,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:51:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:37,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 19:51:37,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187105980] [2020-10-27 19:51:37,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:51:37,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 19:51:37,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544240861] [2020-10-27 19:51:37,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 19:51:37,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:51:37,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 19:51:37,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 19:51:37,200 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand 8 states. [2020-10-27 19:51:37,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:51:37,725 INFO L93 Difference]: Finished difference Result 99 states and 126 transitions. [2020-10-27 19:51:37,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 19:51:37,726 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 39 [2020-10-27 19:51:37,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:51:37,728 INFO L225 Difference]: With dead ends: 99 [2020-10-27 19:51:37,728 INFO L226 Difference]: Without dead ends: 72 [2020-10-27 19:51:37,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-27 19:51:37,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-27 19:51:37,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 63. [2020-10-27 19:51:37,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-27 19:51:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2020-10-27 19:51:37,746 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 39 [2020-10-27 19:51:37,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:51:37,747 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2020-10-27 19:51:37,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 19:51:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2020-10-27 19:51:37,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-27 19:51:37,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:51:37,749 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 19:51:37,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 19:51:37,749 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:51:37,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:51:37,750 INFO L82 PathProgramCache]: Analyzing trace with hash 127844006, now seen corresponding path program 1 times [2020-10-27 19:51:37,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:51:37,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317847060] [2020-10-27 19:51:37,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:51:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:37,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:37,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:37,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:37,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:38,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:38,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:42,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:42,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 19:51:42,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 19:51:42,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 19:51:42,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:51:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 44 [2020-10-27 19:51:42,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 19:51:42,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:42,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:51:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:42,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:42,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:42,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:51:42,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:42,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:51:42,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:42,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:42,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:42,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:51:42,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 19:51:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:42,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:42,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:42,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:42,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:42,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:51:42,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:42,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:42,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:42,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:42,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:51:42,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:51:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:42,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:42,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:42,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:42,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:42,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:51:42,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:42,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:42,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:42,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:42,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:51:42,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 19:51:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:42,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:42,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:42,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:51:42,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:51:42,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:42,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:43,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 19:51:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:43,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:43,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:43,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:51:43,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:43,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 19:51:43,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:43,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:51:43,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:43,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:51:43,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:51:43,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 19:51:43,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317847060] [2020-10-27 19:51:43,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:51:43,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 19:51:43,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630917455] [2020-10-27 19:51:43,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 19:51:43,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:51:43,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 19:51:43,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-27 19:51:43,062 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand 9 states. [2020-10-27 19:51:43,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:51:43,671 INFO L93 Difference]: Finished difference Result 84 states and 108 transitions. [2020-10-27 19:51:43,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 19:51:43,671 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 40 [2020-10-27 19:51:43,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:51:43,674 INFO L225 Difference]: With dead ends: 84 [2020-10-27 19:51:43,674 INFO L226 Difference]: Without dead ends: 80 [2020-10-27 19:51:43,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2020-10-27 19:51:43,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-27 19:51:43,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 71. [2020-10-27 19:51:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-27 19:51:43,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 92 transitions. [2020-10-27 19:51:43,691 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 92 transitions. Word has length 40 [2020-10-27 19:51:43,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:51:43,691 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 92 transitions. [2020-10-27 19:51:43,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 19:51:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2020-10-27 19:51:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-27 19:51:43,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:51:43,694 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-27 19:51:43,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 19:51:43,694 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:51:43,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:51:43,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1247718969, now seen corresponding path program 1 times [2020-10-27 19:51:43,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:51:43,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017376189] [2020-10-27 19:51:43,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:51:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:43,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:43,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:43,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:43,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:44,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:45,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:45,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-27 19:51:45,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 19:51:45,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1981 [2020-10-27 19:51:45,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:45,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:51:45,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 19:51:45,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 19:51:45,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:45,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:51:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:45,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:45,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:45,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:51:45,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:45,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:51:45,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:45,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:45,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:45,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:45,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:45,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 19:51:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:45,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:45,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:45,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:45,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:45,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:51:45,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:45,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:51:45,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:45,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:51:45,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:45,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:51:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:45,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:45,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:45,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:45,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:45,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:51:45,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:45,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:51:45,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:45,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:51:45,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:45,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 19:51:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:45,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:45,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:45,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:51:45,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:45,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:51:45,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:45,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:51:45,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:45,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:51:45,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:45,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 19:51:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:45,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:45,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:45,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:51:45,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:45,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:51:45,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:45,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:45,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 19:51:45,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:45,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:45,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:51:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:45,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:45,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:45,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:45,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:45,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:51:45,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:45,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:45,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:45,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:45,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 19:51:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 19:51:45,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017376189] [2020-10-27 19:51:45,889 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:51:45,889 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 19:51:45,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980232857] [2020-10-27 19:51:45,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 19:51:45,890 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:51:45,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 19:51:45,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 19:51:45,891 INFO L87 Difference]: Start difference. First operand 71 states and 92 transitions. Second operand 8 states. [2020-10-27 19:51:46,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:51:46,492 INFO L93 Difference]: Finished difference Result 156 states and 212 transitions. [2020-10-27 19:51:46,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 19:51:46,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2020-10-27 19:51:46,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:51:46,495 INFO L225 Difference]: With dead ends: 156 [2020-10-27 19:51:46,495 INFO L226 Difference]: Without dead ends: 95 [2020-10-27 19:51:46,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-27 19:51:46,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-27 19:51:46,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 86. [2020-10-27 19:51:46,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-27 19:51:46,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 116 transitions. [2020-10-27 19:51:46,514 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 116 transitions. Word has length 46 [2020-10-27 19:51:46,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:51:46,515 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 116 transitions. [2020-10-27 19:51:46,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 19:51:46,515 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 116 transitions. [2020-10-27 19:51:46,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-27 19:51:46,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:51:46,517 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-27 19:51:46,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 19:51:46,518 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:51:46,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:51:46,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1900055258, now seen corresponding path program 1 times [2020-10-27 19:51:46,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:51:46,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1761713762] [2020-10-27 19:51:46,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:51:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:46,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:46,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:46,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:46,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:46,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:47,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:48,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:50,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:51,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:51,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-27 19:51:51,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 19:51:51,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 19:51:51,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:51,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:51:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 19:51:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:51:51,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:51,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:51:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:51,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:51,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:51,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:51:51,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:51,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:51:51,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:51,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:51,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:51,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:51,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 19:51:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:51,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:51,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:51,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:51:51,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:51,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 19:51:51,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:51,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:51:51,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:51,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:51:51,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:51,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 19:51:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:51,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:51,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:51,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:51,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:51,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:51:51,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:51,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:51:51,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:51:51,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:51:51,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:51,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 19:51:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:51,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:51,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:51,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:51:51,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:51,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:51:51,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:51,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 19:51:51,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:51,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:51:51,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:51:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:51,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:51,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:51,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:51:51,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:51,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:51:51,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:51,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 19:51:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:51,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:51,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:51:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:51,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:51,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:51,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:51,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:51,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:51:51,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:51,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:51,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:51,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:51,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:51,815 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 19:51:51,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1761713762] [2020-10-27 19:51:51,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:51:51,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 19:51:51,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072665039] [2020-10-27 19:51:51,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 19:51:51,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:51:51,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 19:51:51,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 19:51:51,819 INFO L87 Difference]: Start difference. First operand 86 states and 116 transitions. Second operand 8 states. [2020-10-27 19:51:52,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:51:52,399 INFO L93 Difference]: Finished difference Result 151 states and 202 transitions. [2020-10-27 19:51:52,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 19:51:52,400 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-10-27 19:51:52,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:51:52,402 INFO L225 Difference]: With dead ends: 151 [2020-10-27 19:51:52,402 INFO L226 Difference]: Without dead ends: 94 [2020-10-27 19:51:52,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 19:51:52,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-27 19:51:52,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 86. [2020-10-27 19:51:52,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-27 19:51:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 115 transitions. [2020-10-27 19:51:52,421 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 115 transitions. Word has length 50 [2020-10-27 19:51:52,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:51:52,422 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 115 transitions. [2020-10-27 19:51:52,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 19:51:52,422 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2020-10-27 19:51:52,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-27 19:51:52,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:51:52,424 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 19:51:52,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 19:51:52,425 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:51:52,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:51:52,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1200135562, now seen corresponding path program 1 times [2020-10-27 19:51:52,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:51:52,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035197819] [2020-10-27 19:51:52,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:51:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:52,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:52,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:52,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:53,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:57,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 19:51:57,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:51:57,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4588 [2020-10-27 19:51:57,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:51:57,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 19:51:57,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 19:51:57,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:57,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:51:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:57,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:57,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:51:57,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:57,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:51:57,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:57,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:57,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:57,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:57,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-27 19:51:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:57,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:57,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:57,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:57,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:51:57,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:57,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:57,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:57,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:57,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:51:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:57,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:57,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:57,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:57,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:51:57,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:57,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:57,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:57,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:57,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 19:51:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:57,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:57,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:51:57,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:57,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:51:57,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:57,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:57,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:57,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:57,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:57,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-27 19:51:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:57,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:57,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:57,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:57,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:51:57,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:57,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:57,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 19:51:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:57,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:57,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:51:57,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:57,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:51:57,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:57,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:57,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:57,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:57,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:57,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 19:51:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:57,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:57,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:51:57,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:57,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:51:57,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:57,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:51:57,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:57,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:51:57,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:57,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 19:51:57,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035197819] [2020-10-27 19:51:57,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:51:57,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 19:51:57,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637580322] [2020-10-27 19:51:57,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 19:51:57,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:51:57,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 19:51:57,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 19:51:57,215 INFO L87 Difference]: Start difference. First operand 86 states and 115 transitions. Second operand 8 states. [2020-10-27 19:51:57,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:51:57,740 INFO L93 Difference]: Finished difference Result 103 states and 136 transitions. [2020-10-27 19:51:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 19:51:57,741 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-27 19:51:57,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:51:57,743 INFO L225 Difference]: With dead ends: 103 [2020-10-27 19:51:57,743 INFO L226 Difference]: Without dead ends: 82 [2020-10-27 19:51:57,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 19:51:57,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-27 19:51:57,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 66. [2020-10-27 19:51:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-27 19:51:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 82 transitions. [2020-10-27 19:51:57,754 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 82 transitions. Word has length 51 [2020-10-27 19:51:57,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:51:57,754 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 82 transitions. [2020-10-27 19:51:57,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 19:51:57,755 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2020-10-27 19:51:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 19:51:57,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:51:57,768 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-10-27 19:51:57,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 19:51:57,768 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:51:57,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:51:57,769 INFO L82 PathProgramCache]: Analyzing trace with hash 455861427, now seen corresponding path program 1 times [2020-10-27 19:51:57,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:51:57,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [297580063] [2020-10-27 19:51:57,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:51:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:57,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:58,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:58,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:58,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:59,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:00,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:02,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:02,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 19:52:02,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 19:52:02,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 19:52:02,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:02,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:52:02,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 19:52:02,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 19:52:02,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:03,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:03,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:03,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:03,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:52:03,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:03,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:52:03,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:03,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:03,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 19:52:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:03,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:03,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:03,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:52:03,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:03,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 19:52:03,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:03,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:52:03,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:03,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:03,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:03,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:03,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:03,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:03,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:52:03,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:03,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:03,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:03,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:03,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:03,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 19:52:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:03,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:03,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:03,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:03,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:03,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:52:03,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:03,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:03,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:52:03,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:03,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 19:52:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:03,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:03,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:03,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:52:03,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:03,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 19:52:03,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:03,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:52:03,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:52:03,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:52:03,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:03,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 19:52:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:03,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:03,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:03,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:52:03,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:03,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:52:03,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:52:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:52:03,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:52:03,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:03,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:03,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:03,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:03,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:03,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:03,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:52:03,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:03,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:03,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:03,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:52:03,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:03,417 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 19:52:03,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [297580063] [2020-10-27 19:52:03,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:52:03,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 19:52:03,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784356921] [2020-10-27 19:52:03,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 19:52:03,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:52:03,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 19:52:03,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-27 19:52:03,422 INFO L87 Difference]: Start difference. First operand 66 states and 82 transitions. Second operand 12 states. [2020-10-27 19:52:05,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:52:05,155 INFO L93 Difference]: Finished difference Result 168 states and 244 transitions. [2020-10-27 19:52:05,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 19:52:05,156 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2020-10-27 19:52:05,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:52:05,159 INFO L225 Difference]: With dead ends: 168 [2020-10-27 19:52:05,160 INFO L226 Difference]: Without dead ends: 124 [2020-10-27 19:52:05,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=381, Unknown=0, NotChecked=0, Total=462 [2020-10-27 19:52:05,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-27 19:52:05,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 76. [2020-10-27 19:52:05,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-27 19:52:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2020-10-27 19:52:05,207 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 56 [2020-10-27 19:52:05,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:52:05,207 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2020-10-27 19:52:05,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 19:52:05,207 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2020-10-27 19:52:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 19:52:05,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:52:05,214 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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] [2020-10-27 19:52:05,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 19:52:05,214 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:52:05,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:52:05,216 INFO L82 PathProgramCache]: Analyzing trace with hash 517901041, now seen corresponding path program 1 times [2020-10-27 19:52:05,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:52:05,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1797136357] [2020-10-27 19:52:05,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:52:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:05,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:05,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:05,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:06,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:06,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:07,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:07,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 19:52:07,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 19:52:07,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1913 [2020-10-27 19:52:07,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 19:52:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 19:52:07,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 19:52:07,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:07,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:07,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:07,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:52:07,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:07,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:52:07,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:07,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:07,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:07,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:07,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 19:52:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:07,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:07,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:07,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:52:07,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:07,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:52:07,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:52:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:07,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:07,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:07,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:07,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:07,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:52:07,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:07,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:07,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 19:52:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:07,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:07,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:07,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:07,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:07,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:52:07,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:52:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:07,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 19:52:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:07,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:07,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:07,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:52:07,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:07,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 19:52:07,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:07,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:52:07,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:52:07,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:52:07,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:07,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 19:52:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:07,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:07,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:07,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:52:07,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:07,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 19:52:07,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:07,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:52:07,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:52:07,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:52:07,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:07,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:07,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:07,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:07,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:07,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:07,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:52:07,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:07,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:52:07,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:07,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:52:07,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 19:52:07,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1797136357] [2020-10-27 19:52:07,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:52:07,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 19:52:07,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396724966] [2020-10-27 19:52:07,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 19:52:07,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:52:07,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 19:52:07,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=210, Unknown=0, NotChecked=0, Total=240 [2020-10-27 19:52:07,762 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand 16 states. [2020-10-27 19:52:10,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:52:10,023 INFO L93 Difference]: Finished difference Result 171 states and 237 transitions. [2020-10-27 19:52:10,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 19:52:10,024 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 56 [2020-10-27 19:52:10,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:52:10,026 INFO L225 Difference]: With dead ends: 171 [2020-10-27 19:52:10,026 INFO L226 Difference]: Without dead ends: 109 [2020-10-27 19:52:10,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=126, Invalid=744, Unknown=0, NotChecked=0, Total=870 [2020-10-27 19:52:10,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-27 19:52:10,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 94. [2020-10-27 19:52:10,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-10-27 19:52:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 129 transitions. [2020-10-27 19:52:10,052 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 129 transitions. Word has length 56 [2020-10-27 19:52:10,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:52:10,053 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 129 transitions. [2020-10-27 19:52:10,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 19:52:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 129 transitions. [2020-10-27 19:52:10,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 19:52:10,058 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:52:10,058 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 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] [2020-10-27 19:52:10,059 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 19:52:10,059 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:52:10,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:52:10,059 INFO L82 PathProgramCache]: Analyzing trace with hash -687626229, now seen corresponding path program 1 times [2020-10-27 19:52:10,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:52:10,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734488794] [2020-10-27 19:52:10,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:52:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:10,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:10,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:10,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:10,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:10,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:11,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:11,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:11,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:15,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:15,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 19:52:15,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 19:52:15,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 19:52:15,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:52:15,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 19:52:15,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 19:52:15,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:15,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:15,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:15,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:15,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:52:15,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:15,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:52:15,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:15,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:15,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:15,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 19:52:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:15,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:15,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:15,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:52:15,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:15,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:52:15,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:15,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:15,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:15,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:15,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:15,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:15,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:15,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:15,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:52:15,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:15,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:15,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:15,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 19:52:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:15,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:15,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:15,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:15,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:15,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 19:52:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:15,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:15,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:15,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:52:15,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:15,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:52:15,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:15,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:15,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:15,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:15,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:15,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 19:52:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:15,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:15,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:15,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:52:15,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:15,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 19:52:15,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:15,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:52:15,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:15,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:52:15,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:15,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:15,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:15,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:15,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:52:15,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:15,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:52:15,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 19:52:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:52:15,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 19:52:15,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734488794] [2020-10-27 19:52:15,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:52:15,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 19:52:15,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453111945] [2020-10-27 19:52:15,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 19:52:15,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:52:15,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 19:52:15,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-27 19:52:15,339 INFO L87 Difference]: Start difference. First operand 94 states and 129 transitions. Second operand 10 states. [2020-10-27 19:52:16,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:52:16,043 INFO L93 Difference]: Finished difference Result 115 states and 159 transitions. [2020-10-27 19:52:16,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 19:52:16,044 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2020-10-27 19:52:16,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:52:16,046 INFO L225 Difference]: With dead ends: 115 [2020-10-27 19:52:16,046 INFO L226 Difference]: Without dead ends: 111 [2020-10-27 19:52:16,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-27 19:52:16,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-27 19:52:16,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 97. [2020-10-27 19:52:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-27 19:52:16,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2020-10-27 19:52:16,086 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 57 [2020-10-27 19:52:16,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:52:16,087 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2020-10-27 19:52:16,087 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 19:52:16,087 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2020-10-27 19:52:16,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 19:52:16,090 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:52:16,091 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 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] [2020-10-27 19:52:16,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 19:52:16,091 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:52:16,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:52:16,091 INFO L82 PathProgramCache]: Analyzing trace with hash 617343832, now seen corresponding path program 2 times [2020-10-27 19:52:16,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:52:16,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1289073891] [2020-10-27 19:52:16,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:52:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:16,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:16,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:16,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:16,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:16,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:17,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:17,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:18,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:20,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:21,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:21,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 19:52:21,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 19:52:21,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 19:52:21,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:21,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-27 19:52:21,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 19:52:21,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 19:52:21,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:21,324 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2020-10-27 19:52:21,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:21,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:21,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:21,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:52:21,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:21,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:52:21,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:21,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:21,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:21,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:21,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:21,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 19:52:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:21,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:21,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:21,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:52:21,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:21,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 19:52:21,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:21,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:52:21,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:21,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:52:21,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:21,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:21,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:21,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:21,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:21,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:21,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:52:21,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:52:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:52:21,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:52:21,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 19:52:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:21,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:21,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:21,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:21,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:21,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:52:21,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:21,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:21,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:52:21,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:21,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 19:52:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:21,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:21,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:21,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:52:21,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:21,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 19:52:21,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:21,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:52:21,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:52:21,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:52:21,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:21,883 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2020-10-27 19:52:22,240 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2020-10-27 19:52:22,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 19:52:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:22,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:22,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:22,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 19:52:22,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:22,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-27 19:52:22,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:22,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:52:22,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:52:22,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 19:52:22,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:22,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:22,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:22,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:22,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:52:22,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:22,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 19:52:22,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:22,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:52:22,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:22,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:52:22,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:22,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:22,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:22,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:22,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:22,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:22,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:52:22,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:52:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:52:22,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 19:52:22,857 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1289073891] [2020-10-27 19:52:22,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:52:22,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-27 19:52:22,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786193564] [2020-10-27 19:52:22,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 19:52:22,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:52:22,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 19:52:22,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2020-10-27 19:52:22,860 INFO L87 Difference]: Start difference. First operand 97 states and 138 transitions. Second operand 16 states. [2020-10-27 19:52:23,364 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2020-10-27 19:52:23,550 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2020-10-27 19:52:23,824 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2020-10-27 19:52:24,216 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 78 [2020-10-27 19:52:25,650 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 72 [2020-10-27 19:52:26,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:52:26,718 INFO L93 Difference]: Finished difference Result 198 states and 306 transitions. [2020-10-27 19:52:26,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 19:52:26,719 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 63 [2020-10-27 19:52:26,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:52:26,722 INFO L225 Difference]: With dead ends: 198 [2020-10-27 19:52:26,722 INFO L226 Difference]: Without dead ends: 144 [2020-10-27 19:52:26,723 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=170, Invalid=886, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 19:52:26,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-27 19:52:26,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 134. [2020-10-27 19:52:26,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-10-27 19:52:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 209 transitions. [2020-10-27 19:52:26,753 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 209 transitions. Word has length 63 [2020-10-27 19:52:26,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:52:26,753 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 209 transitions. [2020-10-27 19:52:26,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 19:52:26,754 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 209 transitions. [2020-10-27 19:52:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 19:52:26,755 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:52:26,756 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 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] [2020-10-27 19:52:26,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 19:52:26,756 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:52:26,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:52:26,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1156382087, now seen corresponding path program 1 times [2020-10-27 19:52:26,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:52:26,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591852075] [2020-10-27 19:52:26,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:52:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:26,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:26,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:27,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:27,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:27,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:27,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:27,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:29,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:29,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:30,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:30,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:30,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:31,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:31,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:31,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 19:52:31,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 19:52:31,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 19:52:31,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:31,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 19:52:31,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 19:52:31,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 19:52:31,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:32,262 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 54 [2020-10-27 19:52:32,750 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 55 [2020-10-27 19:52:33,573 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 74 [2020-10-27 19:52:33,923 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 47 [2020-10-27 19:52:34,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:34,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:34,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:34,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:52:34,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:34,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:52:34,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:34,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:34,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:34,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 19:52:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:34,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:34,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:34,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:52:34,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:34,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 19:52:34,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:34,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:52:34,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:34,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:34,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:34,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:34,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:34,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:34,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:52:34,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:34,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:34,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 19:52:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:34,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:34,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:34,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:34,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:34,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:52:34,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:52:34,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:34,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:52:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:34,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:34,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:34,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:52:34,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:34,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 19:52:34,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:52:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:52:34,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:52:34,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:34,820 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2020-10-27 19:52:35,068 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-27 19:52:35,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 19:52:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:35,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:35,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:35,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 19:52:35,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:35,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 19:52:35,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:52:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:52:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 19:52:35,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:35,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:35,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:35,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:35,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:52:35,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-27 19:52:35,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:35,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:52:35,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:35,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:52:35,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:35,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:35,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:35,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:35,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:35,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:35,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:52:35,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:35,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:52:35,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:35,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:52:35,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 19:52:35,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1591852075] [2020-10-27 19:52:35,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:52:35,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 19:52:35,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692274015] [2020-10-27 19:52:35,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 19:52:35,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:52:35,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 19:52:35,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=341, Unknown=0, NotChecked=0, Total=380 [2020-10-27 19:52:35,673 INFO L87 Difference]: Start difference. First operand 134 states and 209 transitions. Second operand 20 states. [2020-10-27 19:52:36,272 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-27 19:52:36,739 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 84 [2020-10-27 19:52:37,486 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 99 [2020-10-27 19:52:38,255 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2020-10-27 19:52:38,946 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 81 [2020-10-27 19:52:41,001 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-27 19:52:41,271 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-27 19:52:45,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:52:45,811 INFO L93 Difference]: Finished difference Result 307 states and 544 transitions. [2020-10-27 19:52:45,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 19:52:45,811 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 66 [2020-10-27 19:52:45,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:52:45,816 INFO L225 Difference]: With dead ends: 307 [2020-10-27 19:52:45,816 INFO L226 Difference]: Without dead ends: 263 [2020-10-27 19:52:45,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=160, Invalid=1172, Unknown=0, NotChecked=0, Total=1332 [2020-10-27 19:52:45,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-10-27 19:52:45,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 160. [2020-10-27 19:52:45,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-27 19:52:45,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 267 transitions. [2020-10-27 19:52:45,869 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 267 transitions. Word has length 66 [2020-10-27 19:52:45,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:52:45,870 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 267 transitions. [2020-10-27 19:52:45,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 19:52:45,870 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 267 transitions. [2020-10-27 19:52:45,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 19:52:45,872 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:52:45,872 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 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] [2020-10-27 19:52:45,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 19:52:45,873 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:52:45,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:52:45,873 INFO L82 PathProgramCache]: Analyzing trace with hash 2114545419, now seen corresponding path program 3 times [2020-10-27 19:52:45,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:52:45,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978738854] [2020-10-27 19:52:45,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:52:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:45,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:46,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:46,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:46,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:48,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:48,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:49,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:50,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:50,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:50,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 19:52:50,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 19:52:50,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 19:52:50,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:50,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 19:52:50,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 19:52:50,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 19:52:50,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:50,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:50,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:50,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:50,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:52:50,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:50,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:52:50,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:50,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:50,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:50,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:50,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:50,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 19:52:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:50,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:51,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:51,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:52:51,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:51,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 19:52:51,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:52:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:51,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:52:51,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:51,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:51,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:51,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:51,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:51,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:51,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:52:51,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:51,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:52:51,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:51,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:52:51,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:51,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 19:52:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:51,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:51,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:51,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:51,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:51,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:52:51,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:52:51,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:51,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 19:52:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:51,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:51,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:51,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:52:51,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:51,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 19:52:51,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:51,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:52:51,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:52:51,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:52:51,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:51,467 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-27 19:52:51,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 19:52:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:51,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:51,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:51,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 19:52:51,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:51,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 19:52:51,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:52:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:52:51,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 19:52:51,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:51,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:51,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:51,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:51,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 19:52:51,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:51,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 19:52:51,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:52:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:51,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 19:52:51,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:51,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:51,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:51,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:51,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:52:51,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:51,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:52:51,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:52:51,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:51,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:52:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:51,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:51,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:51,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:52:51,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:51,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:52:51,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:51,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:51,998 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 10 proven. 47 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 19:52:51,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978738854] [2020-10-27 19:52:51,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:52:51,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 19:52:51,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151392681] [2020-10-27 19:52:51,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 19:52:51,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:52:51,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 19:52:52,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2020-10-27 19:52:52,000 INFO L87 Difference]: Start difference. First operand 160 states and 267 transitions. Second operand 18 states. [2020-10-27 19:52:52,558 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2020-10-27 19:52:52,774 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-10-27 19:52:53,144 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 76 [2020-10-27 19:52:53,526 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-10-27 19:52:54,886 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-10-27 19:52:56,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:52:56,014 INFO L93 Difference]: Finished difference Result 211 states and 330 transitions. [2020-10-27 19:52:56,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 19:52:56,015 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 70 [2020-10-27 19:52:56,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:52:56,017 INFO L225 Difference]: With dead ends: 211 [2020-10-27 19:52:56,017 INFO L226 Difference]: Without dead ends: 160 [2020-10-27 19:52:56,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=232, Invalid=958, Unknown=0, NotChecked=0, Total=1190 [2020-10-27 19:52:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-27 19:52:56,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 158. [2020-10-27 19:52:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-10-27 19:52:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 260 transitions. [2020-10-27 19:52:56,069 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 260 transitions. Word has length 70 [2020-10-27 19:52:56,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:52:56,069 INFO L481 AbstractCegarLoop]: Abstraction has 158 states and 260 transitions. [2020-10-27 19:52:56,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 19:52:56,069 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 260 transitions. [2020-10-27 19:52:56,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-27 19:52:56,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:52:56,071 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 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] [2020-10-27 19:52:56,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 19:52:56,072 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:52:56,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:52:56,072 INFO L82 PathProgramCache]: Analyzing trace with hash 239555068, now seen corresponding path program 2 times [2020-10-27 19:52:56,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:52:56,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1098445945] [2020-10-27 19:52:56,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:52:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:56,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:56,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:56,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:57,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:57,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:58,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:58,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:01,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:01,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-27 19:53:01,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 19:53:01,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-27 19:53:01,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:01,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 19:53:01,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 19:53:01,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 19:53:01,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:01,654 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2020-10-27 19:53:02,061 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2020-10-27 19:53:02,311 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 59 [2020-10-27 19:53:02,472 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-27 19:53:02,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:53:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:02,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:02,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:02,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:53:02,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:02,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:53:02,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:02,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:02,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:02,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:02,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:02,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 19:53:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:02,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:02,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:02,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:53:02,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:02,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 19:53:02,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:02,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:53:02,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:02,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:53:02,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:02,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:53:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:02,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:02,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:02,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:53:02,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:02,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:53:02,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:02,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:02,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:02,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 19:53:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:02,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:02,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:02,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:53:02,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:02,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:53:02,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:53:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:02,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:53:02,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:02,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:53:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:02,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:02,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:02,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:53:02,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:02,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-27 19:53:02,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:02,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:53:02,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:53:02,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:53:02,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:02,995 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2020-10-27 19:53:03,695 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 76 [2020-10-27 19:53:04,380 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 86 [2020-10-27 19:53:04,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 19:53:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:04,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:04,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:04,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 19:53:04,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:04,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-27 19:53:04,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:04,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:53:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:53:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 19:53:04,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:04,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:53:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:04,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:05,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:05,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 19:53:05,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:05,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 19:53:05,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:53:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:05,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 19:53:05,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:05,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:53:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:05,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:05,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:05,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:53:05,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:05,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 19:53:05,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:53:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:05,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:53:05,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:05,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:53:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:05,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:05,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:05,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:53:05,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:05,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:53:05,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:53:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:05,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:53:05,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 19:53:05,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1098445945] [2020-10-27 19:53:05,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:53:05,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 19:53:05,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140912676] [2020-10-27 19:53:05,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 19:53:05,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:53:05,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 19:53:05,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2020-10-27 19:53:05,581 INFO L87 Difference]: Start difference. First operand 158 states and 260 transitions. Second operand 23 states. [2020-10-27 19:53:06,001 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2020-10-27 19:53:06,478 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2020-10-27 19:53:06,834 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-10-27 19:53:07,028 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-10-27 19:53:07,558 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-27 19:53:07,788 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2020-10-27 19:53:08,123 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 73 [2020-10-27 19:53:08,316 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-10-27 19:53:08,649 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 75 [2020-10-27 19:53:08,962 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 71 [2020-10-27 19:53:09,371 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2020-10-27 19:53:09,706 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 79 [2020-10-27 19:53:10,632 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2020-10-27 19:53:10,961 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-27 19:53:14,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:53:14,778 INFO L93 Difference]: Finished difference Result 313 states and 576 transitions. [2020-10-27 19:53:14,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-27 19:53:14,778 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 73 [2020-10-27 19:53:14,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:53:14,782 INFO L225 Difference]: With dead ends: 313 [2020-10-27 19:53:14,782 INFO L226 Difference]: Without dead ends: 264 [2020-10-27 19:53:14,783 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=237, Invalid=1569, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 19:53:14,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-10-27 19:53:14,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 181. [2020-10-27 19:53:14,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-27 19:53:14,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 322 transitions. [2020-10-27 19:53:14,838 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 322 transitions. Word has length 73 [2020-10-27 19:53:14,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:53:14,839 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 322 transitions. [2020-10-27 19:53:14,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 19:53:14,839 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 322 transitions. [2020-10-27 19:53:14,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 19:53:14,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:53:14,841 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 5, 5, 5, 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] [2020-10-27 19:53:14,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 19:53:14,842 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:53:14,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:53:14,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1433712557, now seen corresponding path program 3 times [2020-10-27 19:53:14,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:53:14,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [905515168] [2020-10-27 19:53:14,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:53:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:14,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:14,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:15,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:16,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:16,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:17,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:18,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:19,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:19,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 108 [2020-10-27 19:53:19,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 19:53:19,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 19:53:19,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 19:53:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 19:53:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-27 19:53:19,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:21,379 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 216 DAG size of output: 72 [2020-10-27 19:53:22,900 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 254 DAG size of output: 68 [2020-10-27 19:53:23,595 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 65 [2020-10-27 19:53:23,784 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2020-10-27 19:53:23,962 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 41 [2020-10-27 19:53:24,139 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 40 [2020-10-27 19:53:24,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:53:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:24,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:24,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:24,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:53:24,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:24,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:53:24,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:24,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:24,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:24,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:24,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 19:53:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:24,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:24,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:24,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:53:24,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:24,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:53:24,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:24,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:53:24,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:24,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:53:24,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:24,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:53:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:24,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:24,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:24,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:53:24,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:53:24,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:24,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:24,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:24,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 19:53:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:24,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:24,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:24,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:53:24,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:24,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:53:24,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:53:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:24,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:53:24,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:24,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:53:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:24,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:24,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:24,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:53:24,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:24,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 19:53:24,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:53:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:53:24,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:53:24,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:24,667 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31 [2020-10-27 19:53:25,085 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 68 [2020-10-27 19:53:25,506 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2020-10-27 19:53:25,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 19:53:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:25,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:25,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:25,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 19:53:25,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:25,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-27 19:53:25,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 19:53:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:53:25,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 19:53:25,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:25,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:53:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:25,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:26,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:26,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 19:53:26,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:26,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-27 19:53:26,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:53:26,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:26,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 19:53:26,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:26,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:53:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:26,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:26,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:26,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 19:53:26,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 19:53:26,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:53:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 19:53:26,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:53:26,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:53:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:26,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:26,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:53:26,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:26,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 19:53:26,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:26,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:53:26,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:26,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:53:26,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:53:26,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:53:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:26,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:26,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:26,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:53:26,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:26,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:53:26,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:26,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:53:26,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:26,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:53:26,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 42 proven. 31 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-10-27 19:53:26,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [905515168] [2020-10-27 19:53:26,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:53:26,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 19:53:26,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398732685] [2020-10-27 19:53:26,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 19:53:26,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:53:26,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 19:53:26,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=379, Unknown=0, NotChecked=0, Total=420 [2020-10-27 19:53:26,600 INFO L87 Difference]: Start difference. First operand 181 states and 322 transitions. Second operand 21 states. [2020-10-27 19:53:27,236 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2020-10-27 19:53:27,688 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-10-27 19:53:27,983 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-27 19:53:30,380 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 58 [2020-10-27 19:53:30,628 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-27 19:53:31,082 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-27 19:53:31,760 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2020-10-27 19:53:32,009 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-10-27 19:53:32,383 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2020-10-27 19:53:32,988 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2020-10-27 19:53:35,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:53:35,891 INFO L93 Difference]: Finished difference Result 324 states and 611 transitions. [2020-10-27 19:53:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 19:53:35,892 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 80 [2020-10-27 19:53:35,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:53:35,897 INFO L225 Difference]: With dead ends: 324 [2020-10-27 19:53:35,897 INFO L226 Difference]: Without dead ends: 276 [2020-10-27 19:53:35,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=196, Invalid=1610, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 19:53:35,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-10-27 19:53:35,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 205. [2020-10-27 19:53:35,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-27 19:53:35,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 390 transitions. [2020-10-27 19:53:35,985 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 390 transitions. Word has length 80 [2020-10-27 19:53:35,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:53:35,986 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 390 transitions. [2020-10-27 19:53:35,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-27 19:53:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 390 transitions. [2020-10-27 19:53:35,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-27 19:53:35,989 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:53:35,989 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 6, 6, 6, 6, 6, 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] [2020-10-27 19:53:35,989 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 19:53:35,990 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:53:35,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:53:35,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1056023382, now seen corresponding path program 4 times [2020-10-27 19:53:35,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:53:35,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586704262] [2020-10-27 19:53:35,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:53:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:36,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:36,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:36,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:37,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:39,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:41,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:41,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 19:53:41,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 19:53:41,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 19:53:41,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:41,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 19:53:41,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 19:53:41,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 19:53:41,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:44,610 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 279 DAG size of output: 55 [2020-10-27 19:53:47,870 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 417 DAG size of output: 63 [2020-10-27 19:53:51,324 WARN L193 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 373 DAG size of output: 96 [2020-10-27 19:53:56,987 WARN L193 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 442 DAG size of output: 77 [2020-10-27 19:53:57,970 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 86 [2020-10-27 19:53:58,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:53:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:58,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:58,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:58,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:53:58,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:58,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:53:58,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:58,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:58,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:58,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:58,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:58,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-27 19:53:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:58,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:58,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:58,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:53:58,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:58,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 19:53:58,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:53:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:58,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:53:58,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:58,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:53:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:58,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:58,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:58,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:53:58,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:58,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:53:58,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:53:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:53:58,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:58,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 19:53:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:58,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:58,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:58,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:53:58,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:58,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:53:58,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:58,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:53:58,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:58,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 19:53:58,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:58,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 19:53:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:58,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:58,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:58,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 19:53:58,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:58,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-10-27 19:53:58,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:53:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:53:58,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:53:58,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:14,434 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 36 [2020-10-27 19:54:31,236 WARN L193 SmtUtils]: Spent 16.17 s on a formula simplification. DAG size of input: 409 DAG size of output: 182 [2020-10-27 19:54:33,368 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse628 (select |c_old(#memory_$Pointer$.base)| |c_remove_#in~x.base|)) (.cse24 (+ |c_remove_#in~x.offset| 4))) (let ((.cse627 (select |c_old(#memory_$Pointer$.offset)| |c_remove_#in~x.base|)) (.cse25 (select .cse628 .cse24))) (let ((.cse0 (not (= .cse25 0))) (.cse1 (select .cse627 .cse24))) (and (or .cse0 (not (= .cse1 0))) (let ((.cse238 (@diff |c_old(#memory_$Pointer$.base)| |c_#memory_$Pointer$.base|)) (.cse443 (@diff |c_old(#memory_$Pointer$.offset)| |c_#memory_$Pointer$.offset|))) (let ((.cse91 (select |c_#memory_$Pointer$.offset| .cse443)) (.cse64 (select |c_#memory_$Pointer$.base| .cse238))) (let ((.cse622 (store |c_old(#memory_$Pointer$.base)| .cse238 .cse64)) (.cse619 (store |c_old(#memory_$Pointer$.offset)| .cse443 .cse91))) (let ((.cse71 (select .cse628 |c_remove_#in~x.offset|)) (.cse417 (@diff .cse619 |c_#memory_$Pointer$.offset|)) (.cse330 (@diff .cse622 |c_#memory_$Pointer$.base|))) (let ((.cse38 (select |c_#memory_$Pointer$.base| .cse330)) (.cse73 (select |c_#memory_$Pointer$.base| .cse443)) (.cse115 (select |c_#memory_$Pointer$.base| .cse417)) (.cse131 (select |c_#memory_$Pointer$.offset| .cse417)) (.cse618 (select |c_old(#memory_$Pointer$.base)| .cse25)) (.cse92 (select |c_#memory_$Pointer$.base| .cse71)) (.cse289 (select |c_old(#memory_$Pointer$.offset)| .cse25)) (.cse90 (select |c_#memory_$Pointer$.offset| .cse71))) (let ((.cse150 (@diff .cse289 .cse90)) (.cse160 (@diff .cse618 .cse92)) (.cse116 (@diff .cse289 .cse131)) (.cse137 (@diff .cse618 .cse115)) (.cse77 (@diff .cse289 .cse91)) (.cse83 (@diff .cse618 .cse73)) (.cse12 (@diff .cse618 .cse38)) (.cse46 (@diff .cse618 .cse64))) (let ((.cse50 (select .cse64 .cse46)) (.cse23 (select .cse38 .cse12)) (.cse88 (select .cse73 .cse83)) (.cse456 (select .cse91 .cse77)) (.cse435 (select |c_old(#memory_$Pointer$.offset)| .cse443)) (.cse143 (select .cse115 .cse137)) (.cse522 (select .cse131 .cse116)) (.cse525 (select |c_old(#memory_$Pointer$.offset)| .cse417)) (.cse185 (select .cse92 .cse160)) (.cse606 (select .cse90 .cse150))) (let ((.cse616 (store .cse289 .cse150 .cse606)) (.cse617 (store .cse618 .cse160 .cse185)) (.cse198 (@diff .cse525 .cse131)) (.cse620 (store .cse289 .cse116 .cse522)) (.cse621 (store .cse618 .cse137 .cse143)) (.cse213 (@diff .cse435 .cse91)) (.cse623 (store .cse289 .cse77 .cse456)) (.cse624 (store .cse618 .cse83 .cse88)) (.cse203 (select |c_old(#memory_$Pointer$.base)| .cse330)) (.cse625 (store .cse618 .cse12 .cse23)) (.cse207 (select |c_old(#memory_$Pointer$.base)| .cse238)) (.cse626 (store .cse618 .cse46 .cse50))) (let ((.cse27 (select .cse627 |c_remove_#in~x.offset|)) (.cse65 (select |c_#memory_$Pointer$.offset| .cse238)) (.cse56 (@diff .cse626 .cse64)) (.cse208 (@diff .cse207 .cse64)) (.cse39 (select |c_#memory_$Pointer$.offset| .cse330)) (.cse28 (@diff .cse625 .cse38)) (.cse204 (@diff .cse203 .cse38)) (.cse98 (@diff .cse624 .cse73)) (.cse74 (@diff .cse623 .cse91)) (.cse469 (select .cse91 .cse213)) (.cse124 (@diff .cse621 .cse115)) (.cse119 (@diff .cse620 .cse131)) (.cse544 (select .cse131 .cse198)) (.cse171 (@diff .cse617 .cse92)) (.cse153 (@diff .cse616 .cse90))) (let ((.cse601 (select .cse90 .cse153)) (.cse563 (select .cse90 .cse171)) (.cse192 (select .cse92 .cse171)) (.cse560 (select .cse90 .cse160)) (.cse545 (store .cse525 .cse198 .cse544)) (.cse533 (select .cse131 .cse119)) (.cse512 (select .cse131 .cse137)) (.cse508 (select .cse131 .cse124)) (.cse129 (select .cse115 .cse124)) (.cse464 (store .cse435 .cse213 .cse469)) (.cse437 (select .cse91 .cse74)) (.cse432 (select .cse91 .cse98)) (.cse100 (select .cse73 .cse98)) (.cse428 (select .cse91 .cse83)) (.cse397 (select .cse38 .cse204)) (.cse31 (select .cse38 .cse28)) (.cse326 (select .cse39 .cse28)) (.cse323 (select .cse39 .cse12)) (.cse312 (select .cse64 .cse208)) (.cse59 (select .cse64 .cse56)) (.cse231 (select .cse65 .cse46)) (.cse221 (select .cse65 .cse56)) (.cse3 (+ .cse27 4))) (let ((.cse61 (<= .cse56 .cse3)) (.cse57 (= .cse221 .cse27)) (.cse60 (= .cse221 |c_remove_#in~x.offset|)) (.cse62 (<= .cse3 .cse56)) (.cse55 (= .cse626 .cse64)) (.cse45 (= .cse618 .cse64)) (.cse43 (<= .cse46 .cse3)) (.cse54 (= .cse231 .cse27)) (.cse44 (<= .cse3 .cse46)) (.cse53 (= .cse231 |c_remove_#in~x.offset|)) (.cse42 (= (store .cse626 .cse56 .cse59) .cse64)) (.cse41 (= |c_#memory_$Pointer$.base| |c_old(#memory_$Pointer$.base)|)) (.cse206 (= .cse207 .cse64)) (.cse210 (= |c_remove_#in~x.base| .cse312)) (.cse209 (= (store .cse207 .cse208 .cse312) .cse64)) (.cse40 (= .cse25 .cse238)) (.cse51 (= .cse71 .cse238)) (.cse66 (= |c_#memory_$Pointer$.offset| (store .cse619 .cse417 .cse131))) (.cse10 (<= .cse3 .cse12)) (.cse13 (= .cse27 .cse323)) (.cse11 (<= .cse12 .cse3)) (.cse14 (= .cse323 |c_remove_#in~x.offset|)) (.cse9 (= .cse38 .cse618)) (.cse30 (= .cse326 |c_remove_#in~x.offset|)) (.cse29 (= .cse27 .cse326)) (.cse34 (<= .cse28 .cse3)) (.cse33 (<= .cse3 .cse28)) (.cse35 (= .cse38 .cse625)) (.cse36 (= .cse38 (store .cse625 .cse28 .cse31))) (.cse6 (= |c_#memory_$Pointer$.base| .cse622)) (.cse202 (= .cse38 .cse203)) (.cse205 (= |c_remove_#in~x.base| .cse397)) (.cse201 (= .cse38 (store .cse203 .cse204 .cse397))) (.cse7 (= .cse71 .cse330)) (.cse5 (= .cse330 .cse25)) (.cse197 (select |c_old(#memory_$Pointer$.base)| .cse417)) (.cse82 (= .cse27 .cse428)) (.cse94 (<= .cse83 .cse3)) (.cse95 (<= .cse3 .cse83)) (.cse80 (= .cse73 .cse618)) (.cse96 (= (store .cse624 .cse98 .cse100) .cse73)) (.cse97 (= .cse73 .cse624)) (.cse107 (<= .cse98 .cse3)) (.cse105 (= .cse27 .cse432)) (.cse108 (<= .cse3 .cse98)) (.cse72 (= .cse623 .cse91)) (.cse79 (= (store .cse623 .cse74 .cse437) .cse91)) (.cse76 (= .cse289 .cse91)) (.cse215 (= .cse469 |c_remove_#in~x.offset|)) (.cse68 (= |c_#memory_$Pointer$.offset| |c_old(#memory_$Pointer$.offset)|)) (.cse211 (= .cse464 .cse91)) (.cse214 (= .cse435 .cse91)) (.cse78 (= .cse71 .cse443)) (.cse110 (= .cse25 .cse443)) (.cse212 (select |c_old(#memory_$Pointer$.base)| .cse443)) (.cse180 (= (store .cse622 .cse330 .cse38) |c_#memory_$Pointer$.base|)) (.cse135 (= (store .cse621 .cse124 .cse129) .cse115)) (.cse132 (= .cse115 .cse621)) (.cse133 (<= .cse3 .cse124)) (.cse123 (= .cse508 .cse27)) (.cse134 (<= .cse124 .cse3)) (.cse136 (= .cse618 .cse115)) (.cse147 (<= .cse137 .cse3)) (.cse146 (<= .cse3 .cse137)) (.cse139 (= .cse512 .cse27)) (.cse113 (= .cse131 .cse289)) (.cse118 (= .cse131 .cse620)) (.cse121 (= (store .cse620 .cse119 .cse533) .cse131)) (.cse199 (= .cse131 .cse525)) (.cse196 (= .cse131 .cse545)) (.cse200 (= |c_remove_#in~x.offset| .cse544)) (.cse120 (= .cse417 .cse71)) (.cse112 (= .cse417 .cse25)) (.cse111 (= |c_#memory_$Pointer$.offset| .cse619)) (.cse156 (= .cse618 .cse92)) (.cse183 (= .cse560 |c_remove_#in~x.offset|)) (.cse157 (= .cse27 .cse560)) (.cse188 (<= .cse3 .cse160)) (.cse189 (<= .cse160 .cse3)) (.cse179 (= .cse92 (store .cse617 .cse171 .cse192))) (.cse178 (= .cse92 .cse617)) (.cse181 (= .cse563 |c_remove_#in~x.offset|)) (.cse190 (<= .cse3 .cse171)) (.cse169 (= .cse563 .cse27)) (.cse191 (<= .cse171 .cse3)) (.cse152 (= .cse616 .cse90)) (.cse154 (= .cse90 (store .cse616 .cse153 .cse601))) (.cse148 (= .cse90 .cse289)) (.cse193 (= .cse71 |c_remove_#in~x.base|)) (.cse93 (* .cse1 (- 1))) (.cse217 (= .cse25 |c_remove_#in~x.base|)) (.cse8 (not (= .cse71 .cse25))) (.cse216 (+ |c_remove_#in~x.offset| 1))) (or (let ((.cse69 (not .cse217))) (and (let ((.cse2 (and .cse8 .cse69 (let ((.cse194 (<= (+ .cse27 1) |c_remove_#in~x.offset|)) (.cse195 (<= .cse216 .cse27))) (or .cse194 .cse195 (and (or (and .cse196 (or (not (= |c_remove_#in~x.base| (select .cse197 .cse198))) .cse199)) .cse111 (and .cse196 (or .cse200 .cse199))) .cse66 (or .cse194 (and (or (and .cse201 (or .cse202 (not (= |c_remove_#in~x.base| (select .cse203 .cse204))))) (and (or .cse205 .cse202) .cse201) .cse6) (or (and (or .cse206 (not (= |c_remove_#in~x.base| (select .cse207 .cse208)))) .cse209) .cse41 (and (or .cse206 .cse210) .cse209)) .cse180) .cse195) (or .cse68 (and .cse211 (or (not (= (select .cse212 .cse213) |c_remove_#in~x.base|)) .cse214)) (and (or .cse215 .cse214) .cse211)))))))) (or .cse2 (let ((.cse67 (not .cse193))) (and (or (<= .cse3 .cse1) (let ((.cse186 (+ (select .cse90 .cse24) .cse27)) (.cse22 (+ .cse1 |c_remove_#in~x.offset|)) (.cse187 (select .cse92 .cse24))) (let ((.cse167 (<= .cse171 .cse1)) (.cse168 (<= .cse1 .cse171)) (.cse173 (select |c_#memory_$Pointer$.base| .cse192)) (.cse176 (select |c_#memory_$Pointer$.offset| .cse192)) (.cse177 (and .cse190 .cse191)) (.cse155 (and .cse188 .cse189)) (.cse15 (= .cse25 .cse187)) (.cse16 (not (= |c_remove_#in~x.base| .cse187))) (.cse17 (<= .cse186 .cse22)) (.cse18 (<= .cse22 .cse186)) (.cse162 (select |c_#memory_$Pointer$.base| .cse185)) (.cse164 (select |c_#memory_$Pointer$.offset| .cse185)) (.cse165 (<= .cse160 .cse1)) (.cse166 (<= .cse1 .cse160))) (let ((.cse4 (or (and (or (and .cse167 .cse168 (or .cse8 (and (or (not .cse181) (let ((.cse182 (+ (select .cse176 .cse24) .cse27))) (and (<= .cse182 .cse22) (<= .cse22 .cse182) .cse15 .cse16 .cse17 .cse18 (= .cse25 (select .cse173 .cse24))))) .cse169))) .cse178 .cse177) (or .cse155 .cse156 (and (or .cse8 (and .cse157 (or (not .cse183) (let ((.cse184 (+ (select .cse164 .cse24) .cse27))) (and .cse15 .cse16 .cse17 .cse18 (<= .cse22 .cse184) (<= .cse184 .cse22) (= (select .cse162 .cse24) .cse25)))))) .cse165 .cse166)) .cse179) .cse8))) (and (or (and .cse4 .cse5) .cse6 (and .cse7 (or .cse8 (let ((.cse37 (+ (select .cse39 .cse24) .cse27))) (let ((.cse19 (= .cse25 (select .cse38 .cse24))) (.cse20 (<= .cse22 .cse37)) (.cse26 (<= .cse37 .cse22))) (and .cse7 (or .cse9 (and .cse10 .cse11) (and (<= .cse12 .cse1) (<= .cse1 .cse12) (or .cse8 (and .cse13 (or (not .cse14) (let ((.cse21 (+ (select (select |c_#memory_$Pointer$.offset| .cse23) .cse24) .cse27))) (and .cse7 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 (<= .cse21 .cse22) (<= .cse22 .cse21) (= (select (select |c_#memory_$Pointer$.base| .cse23) .cse24) .cse25) .cse26))))))) (or (and (<= .cse1 .cse28) (or .cse8 (and .cse29 (or (not .cse30) (let ((.cse32 (+ (select (select |c_#memory_$Pointer$.offset| .cse31) .cse24) .cse27))) (and .cse7 .cse15 .cse16 (= .cse25 (select (select |c_#memory_$Pointer$.base| .cse31) .cse24)) .cse17 .cse18 .cse19 .cse20 (<= .cse22 .cse32) (<= .cse32 .cse22) .cse26))))) (<= .cse28 .cse1)) (and .cse33 .cse34) .cse35) .cse36)))))) (or (and .cse4 .cse40) .cse41 (and (or .cse8 (let ((.cse63 (+ (select .cse65 .cse24) .cse27))) (let ((.cse48 (<= .cse63 .cse22)) (.cse49 (= .cse25 (select .cse64 .cse24))) (.cse52 (<= .cse22 .cse63))) (and .cse42 (or (and .cse43 .cse44) .cse45 (and (<= .cse46 .cse1) (or .cse8 (and (or (let ((.cse47 (+ (select (select |c_#memory_$Pointer$.offset| .cse50) .cse24) .cse27))) (and .cse15 (<= .cse47 .cse22) .cse16 .cse48 (<= .cse22 .cse47) .cse17 .cse18 .cse49 (= (select (select |c_#memory_$Pointer$.base| .cse50) .cse24) .cse25) .cse51 .cse52)) (not .cse53)) .cse54)) (<= .cse1 .cse46))) .cse51 (or .cse55 (and (<= .cse56 .cse1) (or .cse8 (and .cse57 (or (let ((.cse58 (+ (select (select |c_#memory_$Pointer$.offset| .cse59) .cse24) .cse27))) (and (<= .cse22 .cse58) .cse15 .cse16 .cse48 .cse17 .cse18 (= (select (select |c_#memory_$Pointer$.base| .cse59) .cse24) .cse25) .cse49 .cse51 .cse52 (<= .cse58 .cse22))) (not .cse60)))) (<= .cse1 .cse56)) (and .cse61 .cse62)))))) .cse51)) (or .cse2 (let ((.cse109 (or .cse2 (and (or .cse2 (and .cse67 (or .cse8 (and (let ((.cse149 (select .cse92 .cse150))) (or .cse148 .cse8 (not (= |c_remove_#in~x.base| .cse149)) (and (= .cse71 .cse149) .cse69))) (let ((.cse151 (select .cse92 .cse153))) (or .cse8 (and (= .cse71 .cse151) .cse69) .cse152 (not (= .cse151 |c_remove_#in~x.base|)))) .cse154)))) .cse67 .cse69 (or (and (or .cse155 .cse156 .cse8 (and .cse157 (or (and (or .cse155 .cse8 (let ((.cse163 (+ .cse160 .cse93 .cse27 4))) (let ((.cse158 (select .cse92 .cse163)) (.cse161 (select .cse90 .cse163)) (.cse159 (select .cse164 .cse163))) (and (= .cse25 .cse158) (<= .cse159 .cse160) .cse157 (<= .cse160 .cse161) (not (= |c_remove_#in~x.base| .cse158)) (= (select .cse162 .cse163) .cse25) (= .cse160 .cse161) (<= .cse161 .cse160) (<= .cse160 .cse159))))) .cse67) .cse2) .cse165 .cse69 .cse166)) (or (and .cse167 .cse168 .cse169 (or .cse2 (and (or .cse8 (let ((.cse174 (+ .cse93 .cse171 .cse27 4))) (let ((.cse170 (select .cse92 .cse174)) (.cse172 (select .cse90 .cse174)) (.cse175 (select .cse176 .cse174))) (and (not (= .cse170 |c_remove_#in~x.base|)) (= .cse170 .cse25) (<= .cse171 .cse172) (= (select .cse173 .cse174) .cse25) (= .cse171 .cse172) .cse169 (<= .cse171 .cse175) (<= .cse172 .cse171) (<= .cse175 .cse171)))) .cse177) .cse67)) .cse69) .cse178 .cse8 .cse177) .cse179) .cse8))))) (and .cse66 .cse67 (or .cse68 (and .cse69 (or .cse2 (and .cse67 (or (and (or (and (let ((.cse70 (select .cse73 .cse74))) (or (and .cse69 (= .cse70 .cse71)) (not (= .cse70 |c_remove_#in~x.base|)) .cse8 .cse72)) (let ((.cse75 (select .cse73 .cse77))) (or (and (= .cse71 .cse75) .cse69) .cse76 (not (= .cse75 |c_remove_#in~x.base|)) .cse8)) .cse78 .cse79) .cse8) .cse67) .cse2) (or (and (let ((.cse81 (and .cse94 .cse95))) (or .cse8 .cse80 .cse81 (and (or .cse2 (and .cse67 .cse78 (or (let ((.cse89 (+ .cse93 .cse83 .cse27 4))) (let ((.cse86 (select (select |c_#memory_$Pointer$.offset| .cse88) .cse89)) (.cse87 (select .cse92 .cse89)) (.cse85 (select .cse91 .cse89)) (.cse84 (select .cse90 .cse89))) (and .cse82 (= .cse83 .cse84) (<= .cse83 .cse85) (<= .cse83 .cse86) (<= .cse86 .cse83) .cse78 (<= .cse84 .cse83) (= .cse87 .cse25) (not (= .cse87 |c_remove_#in~x.base|)) (= .cse25 (select (select |c_#memory_$Pointer$.base| .cse88) .cse89)) (<= .cse85 .cse83) (<= .cse83 .cse84) (= (select .cse73 .cse89) .cse25)))) .cse8 .cse81))) .cse82 (<= .cse83 .cse1) (<= .cse1 .cse83) .cse69))) .cse96 .cse78 (let ((.cse106 (and .cse107 .cse108))) (or .cse97 .cse8 (and (<= .cse1 .cse98) (<= .cse98 .cse1) (or .cse2 (and .cse67 .cse78 (or .cse8 (let ((.cse101 (+ .cse93 .cse98 .cse27 4))) (let ((.cse99 (select .cse91 .cse101)) (.cse103 (select .cse90 .cse101)) (.cse102 (select (select |c_#memory_$Pointer$.offset| .cse100) .cse101)) (.cse104 (select .cse92 .cse101))) (and (<= .cse98 .cse99) (= .cse25 (select (select |c_#memory_$Pointer$.base| .cse100) .cse101)) (<= .cse98 .cse102) (<= .cse103 .cse98) (<= .cse99 .cse98) (<= .cse98 .cse103) .cse78 (= .cse103 .cse98) (= (select .cse73 .cse101) .cse25) (<= .cse102 .cse98) (= .cse104 .cse25) (not (= .cse104 |c_remove_#in~x.base|)) .cse105))) .cse106))) .cse69 .cse105) .cse106))) .cse8) .cse78 .cse69))) (and .cse109 .cse69 .cse110)) (or .cse111 (and .cse109 .cse69 .cse112) (and .cse69 (or .cse2 (and (or .cse2 (and .cse67 (or .cse8 (and (let ((.cse114 (select .cse115 .cse116))) (or .cse113 (not (= .cse114 |c_remove_#in~x.base|)) .cse8 (and (= .cse71 .cse114) .cse69))) (let ((.cse117 (select .cse115 .cse119))) (or (not (= .cse117 |c_remove_#in~x.base|)) .cse118 .cse8 (and (= .cse117 .cse71) .cse69))) .cse120 .cse121)))) .cse67 .cse120 .cse69 (or .cse8 (and (let ((.cse122 (and .cse133 .cse134))) (or .cse122 .cse8 (and .cse123 (or .cse2 (and .cse67 .cse120 (or .cse122 (let ((.cse130 (+ .cse124 .cse93 .cse27 4))) (let ((.cse126 (select .cse92 .cse130)) (.cse128 (select (select |c_#memory_$Pointer$.offset| .cse129) .cse130)) (.cse127 (select .cse90 .cse130)) (.cse125 (select .cse131 .cse130))) (and .cse123 (<= .cse124 .cse125) (not (= .cse126 |c_remove_#in~x.base|)) (= .cse127 .cse124) (<= .cse124 .cse127) .cse120 (= .cse126 .cse25) (<= .cse128 .cse124) (= (select (select |c_#memory_$Pointer$.base| .cse129) .cse130) .cse25) (= .cse25 (select .cse115 .cse130)) (<= .cse124 .cse128) (<= .cse127 .cse124) (<= .cse125 .cse124)))) .cse8))) (<= .cse124 .cse1) .cse69 (<= .cse1 .cse124)) .cse132)) .cse135 (let ((.cse145 (and .cse146 .cse147))) (or .cse136 .cse8 (and (or .cse2 (and .cse67 .cse120 (or (let ((.cse144 (+ .cse93 .cse137 .cse27 4))) (let ((.cse140 (select (select |c_#memory_$Pointer$.offset| .cse143) .cse144)) (.cse138 (select .cse90 .cse144)) (.cse142 (select .cse92 .cse144)) (.cse141 (select .cse131 .cse144))) (and (<= .cse137 .cse138) (<= .cse138 .cse137) .cse120 .cse139 (<= .cse137 .cse140) (<= .cse141 .cse137) (= .cse25 .cse142) (<= .cse140 .cse137) (= .cse138 .cse137) (not (= |c_remove_#in~x.base| .cse142)) (= .cse25 (select (select |c_#memory_$Pointer$.base| .cse143) .cse144)) (= (select .cse115 .cse144) .cse25) (<= .cse137 .cse141)))) .cse8 .cse145))) (<= .cse137 .cse1) (<= .cse1 .cse137) .cse69 .cse139) .cse145)) .cse120))))))))) .cse69 .cse180))))) .cse67)))) .cse69)) (let ((.cse572 (select |c_old(#memory_$Pointer$.offset)| .cse71))) (let ((.cse569 (@diff .cse572 .cse90))) (let ((.cse243 (select |c_old(#memory_$Pointer$.offset)| .cse238)) (.cse335 (select |c_old(#memory_$Pointer$.offset)| .cse330)) (.cse571 (select .cse90 .cse569))) (let ((.cse583 (store .cse572 .cse569 .cse571)) (.cse223 (<= .cse24 .cse1)) (.cse226 (<= .cse216 .cse1)) (.cse227 (<= (+ .cse1 1) |c_remove_#in~x.offset|)) (.cse290 (= .cse1 |c_remove_#in~x.offset|)) (.cse570 (= .cse571 .cse27)) (.cse612 (= .cse571 .cse1)) (.cse613 (select .cse92 .cse3)) (.cse260 (or .cse8 (let ((.cse614 (select .cse92 |c_remove_#in~x.offset|))) (let ((.cse615 (= .cse71 .cse614))) (and .cse217 (or (and .cse217 (= .cse27 (select (select |c_#memory_$Pointer$.offset| .cse614) |c_remove_#in~x.offset|)) .cse615) .cse8) .cse615))))) (.cse328 (@diff .cse335 .cse39)) (.cse241 (@diff .cse243 .cse65))) (let ((.cse242 (select .cse65 .cse241)) (.cse336 (select .cse39 .cse328)) (.cse276 (and .cse217 .cse260)) (.cse277 (= .cse3 |c_remove_#in~x.offset|)) (.cse576 (= .cse613 |c_remove_#in~x.base|)) (.cse575 (= .cse71 .cse613)) (.cse240 (+ .cse1 .cse27 4)) (.cse577 (select .cse90 .cse3)) (.cse578 (<= .cse569 .cse3)) (.cse580 (<= .cse3 .cse569)) (.cse252 (<= |c_remove_#in~x.offset| .cse1)) (.cse595 (+ .cse569 .cse1)) (.cse579 (and .cse217 .cse612 .cse260)) (.cse581 (or .cse612 .cse570)) (.cse561 (or .cse217 .cse290)) (.cse582 (or .cse223 (= .cse571 |c_remove_#in~x.offset|) .cse226 .cse227)) (.cse566 (= .cse572 .cse90)) (.cse565 (= .cse90 .cse583))) (let ((.cse224 (= .cse27 |c_remove_#in~x.offset|)) (.cse293 (or .cse223 .cse252 (and .cse217 (or (and (let ((.cse596 (+ .cse153 |c_remove_#in~x.offset|)) (.cse600 (= .cse601 .cse27)) (.cse598 (<= .cse153 .cse3)) (.cse599 (<= .cse3 .cse153)) (.cse597 (= .cse601 .cse1))) (or (and .cse565 (or .cse566 (and (or .cse223 (<= .cse596 .cse595) .cse252 .cse579) .cse578 .cse580 .cse581 .cse561 .cse582))) (and (or .cse223 (and .cse217 .cse597 .cse260) .cse252) .cse598 .cse599 (or .cse597 .cse600) .cse561 (or .cse223 .cse226 .cse227 (= .cse601 |c_remove_#in~x.offset|))) (let ((.cse602 (= .cse153 .cse577)) (.cse603 (+ .cse153 .cse93 |c_remove_#in~x.offset|))) (and (or (and .cse193 .cse602 (or (and .cse575 .cse600 .cse193 .cse602 .cse576) (and (= .cse153 (select .cse572 .cse153)) .cse600))) (not (= .cse153 .cse27))) (<= .cse153 .cse1) .cse600 (or .cse223 (= .cse596 .cse240) (and .cse575 .cse600 .cse193 (= .cse27 (select .cse90 .cse603)) (= (select .cse92 .cse603) .cse71) .cse602)) (<= .cse1 .cse153) (= (select .cse572 .cse603) .cse601))) .cse152 (and .cse598 .cse599 (or .cse0 (and (or (and .cse277 (not (= .cse601 0))) .cse276) .cse597))))) .cse154 (let ((.cse604 (<= .cse3 .cse150)) (.cse605 (<= .cse150 .cse3)) (.cse607 (= .cse606 .cse1)) (.cse608 (= .cse606 .cse27)) (.cse611 (+ |c_remove_#in~x.offset| .cse150))) (or (and .cse604 .cse605 (or .cse223 .cse226 .cse227 (= .cse606 |c_remove_#in~x.offset|)) (or (and .cse217 .cse607 .cse260) .cse223 .cse252) .cse561 (or .cse608 .cse607)) .cse148 (and .cse604 .cse605 (or .cse0 (and (or .cse276 (and .cse277 (not (= .cse606 0)))) .cse607))) (let ((.cse609 (+ .cse93 |c_remove_#in~x.offset| .cse150)) (.cse610 (= .cse150 .cse577))) (and (<= .cse150 .cse1) (<= .cse1 .cse150) (= .cse606 (select .cse572 .cse609)) .cse608 (or (not (= .cse150 .cse27)) (and .cse193 (or (and .cse575 .cse193 .cse608 .cse610 .cse576) (and .cse608 (= (select .cse572 .cse150) .cse150))) .cse610)) (or .cse223 (and .cse575 (= (select .cse90 .cse609) .cse27) .cse193 .cse608 (= (select .cse92 .cse609) .cse71) .cse610) (= .cse611 .cse240)))) (and (or (and .cse578 .cse580 (or .cse223 .cse252 (<= .cse611 .cse595) .cse579) .cse581 .cse561 .cse582) .cse566) .cse565)))) .cse8)))) (.cse294 (let ((.cse567 (and .cse578 .cse580 .cse581 .cse561 .cse582))) (or (and .cse565 (or .cse566 .cse567)) (let ((.cse584 (@diff .cse583 .cse90))) (let ((.cse585 (select .cse90 .cse584))) (and (let ((.cse568 (and .cse578 (or .cse223 .cse252 .cse579) .cse580 .cse581 .cse561 .cse582))) (or (and .cse565 (or .cse566 .cse568)) .cse566 .cse567 .cse568 (let ((.cse574 (= .cse569 .cse577)) (.cse573 (+ .cse569 .cse93 |c_remove_#in~x.offset|))) (and (<= .cse1 .cse569) .cse570 (= .cse571 (select .cse572 .cse573)) (<= .cse569 .cse1) (or (and .cse574 (or (and .cse574 .cse575 .cse193 .cse570 .cse576) (and .cse570 (= (select .cse572 .cse569) .cse569))) .cse193) (not (= .cse569 .cse27))) (or .cse223 (= (+ .cse569 |c_remove_#in~x.offset|) .cse240) (and .cse574 .cse575 .cse193 .cse570 (= .cse27 (select .cse90 .cse573)) (= .cse71 (select .cse92 .cse573)))))))) (= .cse90 (store .cse583 .cse584 .cse585)) (let ((.cse594 (= .cse585 .cse1)) (.cse588 (= .cse585 .cse27))) (let ((.cse590 (<= .cse3 .cse584)) (.cse591 (<= .cse584 .cse3)) (.cse592 (or .cse594 .cse588)) (.cse593 (or .cse223 (= .cse585 |c_remove_#in~x.offset|) .cse226 .cse227)) (.cse589 (+ .cse584 |c_remove_#in~x.offset|))) (or (let ((.cse587 (= .cse577 .cse584)) (.cse586 (+ .cse93 .cse584 |c_remove_#in~x.offset|))) (and (= .cse585 (select .cse572 .cse586)) (<= .cse1 .cse584) (or (and .cse587 .cse193 (or (and (= .cse584 (select .cse572 .cse584)) .cse588) (and .cse587 .cse575 .cse193 .cse588 .cse576))) (not (= .cse27 .cse584))) .cse588 (or .cse223 (and .cse587 .cse575 .cse193 (= .cse71 (select .cse92 .cse586)) .cse588 (= (select .cse90 .cse586) .cse27)) (= .cse589 .cse240)) (<= .cse584 .cse1))) .cse565 (and .cse590 .cse591 .cse561 .cse592 .cse593) (and (or .cse223 .cse252 (and .cse217 .cse594 .cse260)) .cse590 .cse591 .cse561 .cse592 .cse593) (and .cse565 (or .cse566 (and .cse578 .cse580 .cse581 .cse561 (or .cse223 .cse252 (<= .cse589 .cse595) .cse579) .cse582)))))))))))) (.cse348 (store .cse335 .cse328 .cse336)) (.cse254 (store .cse243 .cse241 .cse242))) (let ((.cse237 (= .cse27 .cse242)) (.cse232 (= .cse243 .cse65)) (.cse291 (= .cse1 .cse242)) (.cse247 (= .cse65 .cse254)) (.cse334 (= .cse27 .cse336)) (.cse339 (= .cse348 .cse39)) (.cse381 (= .cse1 .cse336)) (.cse340 (= .cse335 .cse39)) (.cse470 (= .cse27 .cse469)) (.cse315 (= .cse71 (select (select |c_#memory_$Pointer$.base| |c_remove_#in~x.base|) |c_remove_#in~x.offset|))) (.cse316 (= .cse27 (select (select |c_#memory_$Pointer$.offset| |c_remove_#in~x.base|) |c_remove_#in~x.offset|))) (.cse481 (= .cse1 .cse469)) (.cse317 (or .cse226 (and .cse217 .cse290) .cse227)) (.cse408 (= .cse27 .cse544)) (.cse403 (= .cse1 .cse544)) (.cse295 (or .cse8 (and (let ((.cse558 (and .cse217 (= .cse71 .cse185))) (.cse559 (= |c_remove_#in~x.base| .cse185))) (or .cse558 .cse156 .cse559 (and (or .cse558 .cse8 (and (or (and .cse223 (or .cse223 .cse183 .cse226 .cse227) (or (= .cse1 .cse560) .cse157) .cse224 .cse561 .cse188 (or .cse558 (and (= .cse160 .cse560) .cse188)) .cse189) .cse559) .cse293 .cse294)) .cse293 .cse294))) .cse179 (let ((.cse562 (= |c_remove_#in~x.base| .cse192)) (.cse564 (and .cse217 (= .cse71 .cse192)))) (or .cse562 .cse178 (and (or (and (or .cse562 (and (or .cse223 .cse226 .cse181 .cse227) (or (and (= .cse563 .cse171) .cse190) .cse564) .cse223 .cse224 .cse190 .cse561 (or (= .cse563 .cse1) .cse169) .cse191)) .cse293 .cse294) .cse8 .cse564) .cse293 .cse294) .cse564)))))) (and .cse217 (or (let ((.cse292 (select .cse64 .cse3))) (let ((.cse244 (= .cse292 |c_remove_#in~x.base|)) (.cse235 (= |c_remove_#in~x.base| .cse238)) (.cse236 (= .cse292 .cse238)) (.cse245 (select .cse65 .cse3)) (.cse248 (or .cse223 .cse226 .cse227 (= .cse242 |c_remove_#in~x.offset|))) (.cse249 (or .cse291 .cse237)) (.cse264 (+ .cse1 .cse241)) (.cse253 (and .cse217 .cse291 .cse51 .cse260)) (.cse250 (<= .cse3 .cse241)) (.cse225 (or (and .cse217 .cse51) .cse290)) (.cse251 (<= .cse241 .cse3))) (let ((.cse218 (or .cse223 .cse252 (and .cse217 .cse51 (or (let ((.cse286 (@diff .cse289 .cse65))) (let ((.cse282 (select .cse65 .cse286))) (let ((.cse279 (store .cse289 .cse286 .cse282))) (let ((.cse270 (@diff .cse279 .cse65))) (let ((.cse271 (select .cse65 .cse270))) (and (let ((.cse273 (+ .cse270 |c_remove_#in~x.offset|)) (.cse274 (<= .cse270 .cse3)) (.cse275 (<= .cse3 .cse270)) (.cse269 (= .cse271 .cse27)) (.cse278 (= .cse271 .cse1))) (or (let ((.cse268 (= .cse245 .cse270)) (.cse272 (+ .cse93 .cse270 |c_remove_#in~x.offset|))) (and (or (and .cse235 .cse268 (or (and .cse235 .cse236 .cse269 .cse268 .cse244) (and (= .cse270 (select .cse243 .cse270)) .cse269))) (not (= .cse27 .cse270))) .cse269 (<= .cse1 .cse270) (= .cse271 (select .cse243 .cse272)) (or .cse223 (= .cse273 .cse240) (and (= .cse27 (select .cse65 .cse272)) .cse235 .cse236 .cse269 .cse268 (= (select .cse64 .cse272) .cse238))) (<= .cse270 .cse1))) (and .cse274 .cse275 (or (and (or .cse276 (and .cse277 (not (= .cse271 0)))) .cse278) .cse0)) (and (or .cse232 (and (or .cse223 .cse252 (<= .cse273 .cse264) .cse253) .cse248 .cse249 .cse250 .cse225 .cse251)) .cse247) (and .cse274 .cse275 .cse225 (or .cse269 .cse278) (or .cse223 .cse226 .cse227 (= .cse271 |c_remove_#in~x.offset|)) (or (and .cse217 .cse51 .cse278 .cse260) .cse223 .cse252)) (= .cse279 .cse65))) .cse51 (let ((.cse280 (= .cse1 .cse282)) (.cse281 (<= .cse3 .cse286)) (.cse284 (<= .cse286 .cse3)) (.cse283 (= .cse27 .cse282)) (.cse287 (+ .cse286 |c_remove_#in~x.offset|))) (or (and (or .cse223 .cse252 (and .cse217 .cse51 .cse280 .cse260)) .cse281 .cse225 (or .cse223 .cse226 .cse227 (= |c_remove_#in~x.offset| .cse282)) (or .cse283 .cse280) .cse284) (and (or .cse0 (and (or (and .cse277 (not (= 0 .cse282))) .cse276) .cse280)) .cse281 .cse284) (let ((.cse285 (= .cse286 .cse245)) (.cse288 (+ .cse286 .cse93 |c_remove_#in~x.offset|))) (and (or (and .cse235 (or (and .cse235 .cse236 .cse283 .cse285 .cse244) (and .cse283 (= .cse286 (select .cse243 .cse286)))) .cse285) (not (= .cse286 .cse27))) .cse283 (or (= .cse287 .cse240) .cse223 (and .cse235 (= (select .cse65 .cse288) .cse27) .cse236 .cse283 (= (select .cse64 .cse288) .cse238) .cse285)) (<= .cse286 .cse1) (= (select .cse243 .cse288) .cse282) (<= .cse1 .cse286))) (= .cse65 .cse289) (and (or .cse232 (and .cse248 .cse249 (or .cse223 .cse252 (<= .cse287 .cse264) .cse253) .cse250 .cse225 .cse251)) .cse247))) (= .cse65 (store .cse279 .cse270 .cse271)))))))) .cse8)))) (.cse219 (let ((.cse233 (and .cse248 .cse249 .cse250 .cse225 .cse251))) (or (let ((.cse255 (@diff .cse254 .cse65))) (let ((.cse256 (select .cse65 .cse255))) (and (let ((.cse246 (and .cse248 .cse249 .cse250 .cse225 .cse251 (or .cse223 .cse252 .cse253)))) (or .cse232 .cse233 (let ((.cse234 (+ .cse93 .cse241 |c_remove_#in~x.offset|)) (.cse239 (= .cse245 .cse241))) (and (or (and (= .cse27 (select .cse65 .cse234)) .cse235 .cse236 .cse237 (= (select .cse64 .cse234) .cse238) .cse239) .cse223 (= .cse240 (+ .cse241 |c_remove_#in~x.offset|))) (= .cse242 (select .cse243 .cse234)) (<= .cse1 .cse241) .cse237 (or (not (= .cse27 .cse241)) (and .cse235 (or (and .cse237 (= .cse241 (select .cse243 .cse241))) (and .cse235 .cse236 .cse237 .cse239 .cse244)) .cse239)) (<= .cse241 .cse1))) .cse246 (and (or .cse232 .cse246) .cse247))) (= (store .cse254 .cse255 .cse256) .cse65) (let ((.cse267 (= .cse27 .cse256)) (.cse259 (= .cse1 .cse256))) (let ((.cse257 (or .cse267 .cse259)) (.cse258 (<= .cse255 .cse3)) (.cse261 (or .cse223 .cse226 .cse227 (= .cse256 |c_remove_#in~x.offset|))) (.cse262 (<= .cse3 .cse255)) (.cse263 (+ .cse255 |c_remove_#in~x.offset|))) (or (and .cse257 .cse258 (or .cse223 .cse252 (and .cse217 .cse51 .cse259 .cse260)) .cse225 .cse261 .cse262) .cse247 (and (or .cse232 (and (or .cse223 .cse252 (<= .cse263 .cse264) .cse253) .cse248 .cse249 .cse250 .cse225 .cse251)) .cse247) (and .cse257 .cse258 .cse225 .cse261 .cse262) (let ((.cse265 (= .cse255 .cse245)) (.cse266 (+ .cse255 .cse93 |c_remove_#in~x.offset|))) (and (<= .cse1 .cse255) (or .cse223 (and .cse235 .cse265 .cse236 (= (select .cse64 .cse266) .cse238) (= .cse27 (select .cse65 .cse266)) .cse267) (= .cse263 .cse240)) (or (not (= .cse27 .cse255)) (and .cse235 .cse265 (or (and .cse235 .cse265 .cse236 .cse267 .cse244) (and .cse267 (= (select .cse243 .cse255) .cse255))))) (= (select .cse243 .cse266) .cse256) .cse267 (<= .cse255 .cse1))))))))) (and .cse247 (or .cse232 .cse233)))))) (and .cse218 .cse219 (let ((.cse220 (not .cse40))) (or .cse220 (and (let ((.cse222 (and .cse217 (= .cse71 .cse59))) (.cse228 (= .cse59 |c_remove_#in~x.base|))) (or (and (or (and .cse218 .cse219 (or (and (or (and (= .cse221 .cse56) .cse62) .cse222) .cse223 .cse224 .cse61 (or (= .cse221 .cse1) .cse57) .cse225 (or .cse223 .cse226 .cse227 .cse60) .cse62) .cse228)) .cse220 .cse222) .cse218 .cse219 .cse51) .cse55 .cse222 .cse228)) (let ((.cse229 (= .cse50 |c_remove_#in~x.base|)) (.cse230 (and .cse217 (= .cse71 .cse50)))) (or .cse229 .cse230 .cse45 (and (or (and .cse218 .cse219 (or (and .cse43 .cse223 .cse224 .cse225 (or .cse230 (and .cse44 (= .cse231 .cse46))) (or (= .cse231 .cse1) .cse54) .cse44 (or .cse223 .cse226 .cse227 .cse53)) .cse229)) .cse220 .cse230) .cse218 .cse219 .cse51))) .cse42))) .cse51)))) (and .cse40 .cse293 .cse294 .cse295) .cse41) (let ((.cse314 (select .cse65 .cse208)) (.cse296 (and .cse40 .cse51)) (.cse309 (select .cse64 .cse241))) (or .cse296 (let ((.cse304 (= .cse27 .cse314))) (let ((.cse303 (= |c_remove_#in~x.offset| .cse208)) (.cse301 (or (let ((.cse313 (select (select |c_#memory_$Pointer$.offset| .cse312) .cse3))) (let ((.cse310 (+ .cse93 .cse313 |c_remove_#in~x.offset|))) (let ((.cse311 (select .cse64 .cse310))) (and .cse217 (= .cse27 (select .cse65 .cse310)) (= (select (select |c_#memory_$Pointer$.offset| .cse311) .cse3) .cse208) (= .cse238 (select (select |c_#memory_$Pointer$.base| .cse311) .cse3)) (= (select (select |c_#memory_$Pointer$.base| .cse312) .cse3) .cse238) (= .cse208 .cse313) .cse304 (= .cse71 .cse311))))) .cse223)) (.cse302 (= .cse208 .cse1)) (.cse297 (or .cse223 (let ((.cse308 (select (select |c_#memory_$Pointer$.offset| .cse309) .cse3))) (let ((.cse307 (+ .cse93 .cse308 |c_remove_#in~x.offset|))) (let ((.cse306 (select .cse64 .cse307))) (and .cse217 (= (select (select |c_#memory_$Pointer$.base| .cse306) .cse3) .cse238) (= (select (select |c_#memory_$Pointer$.offset| .cse306) .cse3) .cse241) (= (select .cse65 .cse307) .cse27) (= .cse308 .cse241) (= .cse71 .cse306) .cse237 (= (select (select |c_#memory_$Pointer$.base| .cse309) .cse3) .cse238))))))) (.cse299 (= .cse241 .cse1)) (.cse300 (= |c_remove_#in~x.offset| .cse241))) (and (or .cse232 (let ((.cse298 (= .cse1 .cse241))) (and (or .cse232 (and .cse237 (or (and .cse217 .cse297 .cse298 .cse299) (and .cse217 .cse300 .cse298)))) (or .cse206 (and (or (and .cse217 .cse298 .cse301 .cse302) (and .cse217 .cse303 .cse298)) .cse304)) .cse247 .cse209))) .cse247 .cse209 (or .cse206 (let ((.cse305 (= .cse1 .cse208))) (and (or (and (or (and .cse217 .cse305 .cse303) (and .cse217 .cse305 .cse301 .cse302)) .cse304) .cse206) (or .cse232 (and .cse237 (or (and .cse217 .cse305 .cse297 .cse299) (and .cse217 .cse305 .cse300)))) .cse247 .cse209)))))) .cse41 (and (or .cse206 (and (or .cse223 (and .cse315 (= .cse1 .cse314) .cse316 .cse210)) .cse317)) (or .cse296 (and (or .cse232 (and (or .cse223 (and (= |c_remove_#in~x.base| .cse309) .cse315 .cse291 .cse316)) .cse317)) .cse247)) .cse209))) .cse66 (or .cse6 (let ((.cse380 (select .cse38 .cse3))) (let ((.cse322 (or (and .cse217 .cse7) .cse290)) (.cse344 (<= .cse3 .cse328)) (.cse345 (or .cse223 .cse226 .cse227 (= .cse336 |c_remove_#in~x.offset|))) (.cse343 (and .cse217 .cse7 .cse381 .cse260)) (.cse360 (+ .cse1 .cse328)) (.cse346 (or .cse381 .cse334)) (.cse347 (<= .cse328 .cse3)) (.cse337 (= .cse380 |c_remove_#in~x.base|)) (.cse332 (= .cse330 .cse380)) (.cse333 (= .cse330 |c_remove_#in~x.base|)) (.cse338 (select .cse39 .cse3))) (let ((.cse318 (or .cse223 .cse252 (and .cse217 .cse7 (or .cse8 (let ((.cse379 (@diff .cse289 .cse39))) (let ((.cse374 (select .cse39 .cse379))) (let ((.cse361 (store .cse289 .cse379 .cse374))) (let ((.cse366 (@diff .cse361 .cse39))) (let ((.cse362 (select .cse39 .cse366))) (and .cse7 (let ((.cse370 (= .cse362 .cse27)) (.cse364 (<= .cse366 .cse3)) (.cse365 (<= .cse3 .cse366)) (.cse363 (= .cse1 .cse362)) (.cse367 (+ .cse366 |c_remove_#in~x.offset|))) (or (= .cse361 .cse39) (and (or .cse0 (and (or (and .cse277 (not (= .cse362 0))) .cse276) .cse363)) .cse364 .cse365) (let ((.cse368 (+ .cse93 .cse366 |c_remove_#in~x.offset|)) (.cse369 (= .cse338 .cse366))) (and (<= .cse366 .cse1) (or .cse223 (= .cse367 .cse240) (and (= (select .cse39 .cse368) .cse27) .cse369 .cse332 (= .cse330 (select .cse38 .cse368)) .cse370 .cse333)) (= (select .cse335 .cse368) .cse362) (<= .cse1 .cse366) (or (and (or (and (= .cse366 (select .cse335 .cse366)) .cse370) (and .cse337 .cse369 .cse332 .cse370 .cse333)) .cse369 .cse333) (not (= .cse366 .cse27))) .cse370)) (and .cse322 (or .cse363 .cse370) .cse364 .cse365 (or .cse223 (and .cse217 .cse7 .cse363 .cse260) .cse252) (or .cse223 .cse226 .cse227 (= .cse362 |c_remove_#in~x.offset|))) (and (or (and .cse322 .cse344 (or (<= .cse367 .cse360) .cse223 .cse252 .cse343) .cse345 .cse346 .cse347) .cse340) .cse339))) (= (store .cse361 .cse366 .cse362) .cse39) (let ((.cse376 (+ .cse379 |c_remove_#in~x.offset|)) (.cse372 (= .cse27 .cse374)) (.cse371 (= .cse1 .cse374)) (.cse373 (<= .cse379 .cse3)) (.cse375 (<= .cse3 .cse379))) (or (and (or .cse371 .cse372) .cse322 .cse373 (or .cse223 .cse252 (and .cse217 .cse7 .cse371 .cse260)) (or .cse223 .cse226 (= |c_remove_#in~x.offset| .cse374) .cse227) .cse375) (and .cse339 (or (and .cse322 .cse344 .cse345 (or .cse223 .cse252 .cse343 (<= .cse376 .cse360)) .cse346 .cse347) .cse340)) (let ((.cse378 (= .cse338 .cse379)) (.cse377 (+ .cse379 .cse93 |c_remove_#in~x.offset|))) (and (or (and .cse332 (= .cse330 (select .cse38 .cse377)) .cse372 .cse333 .cse378 (= (select .cse39 .cse377) .cse27)) .cse223 (= .cse240 .cse376)) (or (not (= .cse27 .cse379)) (and (or (and (= (select .cse335 .cse379) .cse379) .cse372) (and .cse337 .cse332 .cse372 .cse333 .cse378)) .cse333 .cse378)) (= (select .cse335 .cse377) .cse374) (<= .cse1 .cse379) (<= .cse379 .cse1) .cse372)) (and (or (and (or (and .cse277 (not (= .cse374 0))) .cse276) .cse371) .cse0) .cse373 .cse375) (= .cse289 .cse39))))))))))))) (.cse324 (let ((.cse342 (and .cse322 .cse344 .cse345 .cse346 .cse347))) (or (let ((.cse349 (@diff .cse348 .cse39))) (let ((.cse350 (select .cse39 .cse349))) (and (let ((.cse341 (and (or .cse223 .cse252 .cse343) .cse322 .cse344 .cse345 .cse346 .cse347))) (or (let ((.cse331 (+ .cse93 .cse328 |c_remove_#in~x.offset|)) (.cse329 (= .cse338 .cse328))) (and (<= .cse328 .cse1) (<= .cse1 .cse328) (or .cse223 (= (+ .cse328 |c_remove_#in~x.offset|) .cse240) (and .cse329 (= .cse330 (select .cse38 .cse331)) .cse332 (= (select .cse39 .cse331) .cse27) .cse333 .cse334)) (= (select .cse335 .cse331) .cse336) (or (not (= .cse328 .cse27)) (and .cse329 (or (and (= .cse328 (select .cse335 .cse328)) .cse334) (and .cse329 .cse337 .cse332 .cse333 .cse334)) .cse333)) .cse334)) (and .cse339 (or .cse340 .cse341)) .cse340 .cse341 .cse342)) (= (store .cse348 .cse349 .cse350) .cse39) (let ((.cse357 (= .cse350 .cse27)) (.cse359 (= .cse350 .cse1))) (let ((.cse351 (<= .cse349 .cse3)) (.cse352 (or (= .cse350 |c_remove_#in~x.offset|) .cse223 .cse226 .cse227)) (.cse353 (<= .cse3 .cse349)) (.cse354 (or .cse357 .cse359)) (.cse355 (+ .cse349 |c_remove_#in~x.offset|))) (or (and .cse322 .cse351 .cse352 .cse353 .cse354) (let ((.cse356 (+ .cse93 .cse349 |c_remove_#in~x.offset|)) (.cse358 (= .cse349 .cse338))) (and (or .cse223 (= .cse355 .cse240) (and (= (select .cse39 .cse356) .cse27) .cse357 .cse332 .cse333 (= .cse330 (select .cse38 .cse356)) .cse358)) (<= .cse1 .cse349) .cse357 (= .cse350 (select .cse335 .cse356)) (or (not (= .cse349 .cse27)) (and (or (and .cse337 .cse357 .cse332 .cse333 .cse358) (and (= (select .cse335 .cse349) .cse349) .cse357)) .cse333 .cse358)) (<= .cse349 .cse1))) .cse339 (and .cse322 (or .cse223 .cse252 (and .cse217 .cse7 .cse359 .cse260)) .cse351 .cse352 .cse353 .cse354) (and .cse339 (or (and .cse322 .cse344 (or .cse223 .cse252 .cse343 (<= .cse355 .cse360)) .cse345 .cse346 .cse347) .cse340)))))))) (and (or .cse340 .cse342) .cse339))))) (and .cse7 .cse318 (let ((.cse319 (not .cse5))) (or .cse319 (and (let ((.cse320 (and .cse217 (= .cse71 .cse23))) (.cse321 (= .cse23 |c_remove_#in~x.base|))) (or (and .cse7 .cse318 (or .cse320 .cse319 (and (or .cse321 (and .cse322 (or .cse320 (and .cse10 (= .cse323 .cse12))) .cse223 .cse10 (or .cse13 (= .cse1 .cse323)) .cse11 .cse224 (or .cse223 .cse226 .cse227 .cse14))) .cse318 .cse324)) .cse324) .cse320 .cse9 .cse321)) (let ((.cse325 (and .cse217 (= .cse71 .cse31))) (.cse327 (= |c_remove_#in~x.base| .cse31))) (or .cse325 (and .cse7 .cse318 .cse324 (or .cse319 (and .cse318 (or (and (or .cse223 .cse226 .cse30 .cse227) .cse322 .cse223 (or (= .cse1 .cse326) .cse29) .cse33 .cse224 .cse34 (or (and .cse33 (= .cse28 .cse326)) .cse325)) .cse327) .cse324) .cse325)) .cse35 .cse327)) .cse36))) .cse324)))) (and .cse5 .cse293 .cse294 .cse295)) (let ((.cse382 (and .cse7 .cse5)) (.cse393 (select .cse38 .cse328)) (.cse400 (select .cse39 .cse204))) (or .cse382 (let ((.cse390 (= .cse400 .cse27))) (let ((.cse387 (or (let ((.cse399 (select (select |c_#memory_$Pointer$.offset| .cse397) .cse3))) (let ((.cse398 (+ .cse399 .cse93 |c_remove_#in~x.offset|))) (let ((.cse396 (select .cse38 .cse398))) (and .cse217 (= (select (select |c_#memory_$Pointer$.base| .cse396) .cse3) .cse330) .cse390 (= .cse71 .cse396) (= .cse330 (select (select |c_#memory_$Pointer$.base| .cse397) .cse3)) (= (select (select |c_#memory_$Pointer$.offset| .cse396) .cse3) .cse204) (= (select .cse39 .cse398) .cse27) (= .cse399 .cse204))))) .cse223)) (.cse388 (= .cse204 .cse1)) (.cse389 (= .cse204 |c_remove_#in~x.offset|)) (.cse385 (= .cse328 .cse1)) (.cse386 (or .cse223 (let ((.cse394 (select (select |c_#memory_$Pointer$.offset| .cse393) .cse3))) (let ((.cse395 (+ .cse394 .cse93 |c_remove_#in~x.offset|))) (let ((.cse392 (select .cse38 .cse395))) (and .cse217 (= (select (select |c_#memory_$Pointer$.base| .cse392) .cse3) .cse330) (= (select (select |c_#memory_$Pointer$.offset| .cse392) .cse3) .cse328) (= .cse330 (select (select |c_#memory_$Pointer$.base| .cse393) .cse3)) (= .cse394 .cse328) (= .cse27 (select .cse39 .cse395)) (= .cse392 .cse71) .cse334)))))) (.cse384 (= .cse328 |c_remove_#in~x.offset|))) (and .cse339 (or (let ((.cse383 (= .cse1 .cse328))) (and (or .cse340 (and (or (and .cse217 .cse383 .cse384) (and .cse217 .cse383 .cse385 .cse386)) .cse334)) .cse339 (or .cse202 (and (or (and .cse217 .cse383 .cse387 .cse388) (and .cse217 .cse383 .cse389)) .cse390)) .cse201)) .cse340) .cse201 (or .cse202 (let ((.cse391 (= .cse1 .cse204))) (and (or .cse202 (and (or (and .cse217 .cse387 .cse388 .cse391) (and .cse217 .cse389 .cse391)) .cse390)) .cse339 (or (and (or (and .cse217 .cse385 .cse386 .cse391) (and .cse217 .cse384 .cse391)) .cse334) .cse340) .cse201)))))) .cse6 (and (or .cse382 (and .cse339 (or (and (or .cse223 (and .cse315 .cse381 .cse316 (= .cse393 |c_remove_#in~x.base|))) .cse317) .cse340))) (or .cse202 (and (or .cse223 (and (= .cse400 .cse1) .cse315 .cse205 .cse316)) .cse317)) .cse201))) (let ((.cse421 (@diff .cse197 .cse115))) (let ((.cse406 (select .cse115 .cse421))) (let ((.cse402 (and .cse120 .cse112)) (.cse401 (= .cse115 (store .cse197 .cse421 .cse406))) (.cse407 (= .cse197 .cse115)) (.cse404 (select .cse115 .cse198)) (.cse405 (select .cse131 .cse421))) (or (and .cse401 (or .cse402 (and .cse196 (or (and .cse317 (or .cse223 (and .cse315 .cse403 .cse316 (= |c_remove_#in~x.base| .cse404)))) .cse199))) (or (and (or .cse223 (and .cse315 .cse316 (= .cse1 .cse405) (= .cse406 |c_remove_#in~x.base|))) .cse317) .cse407)) .cse402 (let ((.cse413 (= .cse27 .cse405))) (let ((.cse415 (or .cse223 (let ((.cse422 (select (select |c_#memory_$Pointer$.offset| .cse406) .cse3))) (let ((.cse424 (+ .cse93 .cse422 |c_remove_#in~x.offset|))) (let ((.cse423 (select .cse115 .cse424))) (and .cse217 (= .cse421 .cse422) .cse413 (= .cse417 (select (select |c_#memory_$Pointer$.base| .cse423) .cse3)) (= .cse71 .cse423) (= .cse27 (select .cse131 .cse424)) (= .cse417 (select (select |c_#memory_$Pointer$.base| .cse406) .cse3)) (= .cse421 (select (select |c_#memory_$Pointer$.offset| .cse423) .cse3)))))))) (.cse416 (= .cse421 |c_remove_#in~x.offset|)) (.cse410 (= |c_remove_#in~x.offset| .cse198)) (.cse411 (= .cse198 .cse1)) (.cse414 (= .cse421 .cse1)) (.cse412 (or .cse223 (let ((.cse420 (select (select |c_#memory_$Pointer$.offset| .cse404) .cse3))) (let ((.cse419 (+ .cse93 |c_remove_#in~x.offset| .cse420))) (let ((.cse418 (select .cse115 .cse419))) (and .cse217 (= .cse417 (select (select |c_#memory_$Pointer$.base| .cse404) .cse3)) (= .cse71 .cse418) .cse408 (= .cse27 (select .cse131 .cse419)) (= .cse417 (select (select |c_#memory_$Pointer$.base| .cse418) .cse3)) (= (select (select |c_#memory_$Pointer$.offset| .cse418) .cse3) .cse198) (= .cse420 .cse198)))))))) (and .cse401 (or (let ((.cse409 (= .cse1 .cse198))) (and .cse401 .cse196 (or (and .cse408 (or (and .cse217 .cse409 .cse410) (and .cse217 .cse409 .cse411 .cse412))) .cse199) (or (and .cse413 (or (and .cse217 .cse409 .cse414 .cse415) (and .cse217 .cse409 .cse416))) .cse407))) .cse199) .cse196 (or (and .cse401 (or (and .cse413 (or (and .cse217 .cse414 .cse415) (and .cse217 .cse416 .cse414))) .cse407) .cse196 (or (and (or (and .cse217 .cse414 .cse410) (and .cse217 .cse411 .cse414 .cse412)) .cse408) .cse199)) .cse407)))) .cse111)))) (or .cse68 (let ((.cse482 (select .cse73 .cse3))) (let ((.cse450 (and .cse217 .cse78 .cse481 .cse260)) (.cse451 (+ .cse1 .cse213)) (.cse441 (= |c_remove_#in~x.base| .cse482)) (.cse439 (= .cse443 .cse482)) (.cse440 (= |c_remove_#in~x.base| .cse443)) (.cse445 (select .cse91 .cse3)) (.cse449 (or .cse470 .cse481)) (.cse452 (<= .cse3 .cse213)) (.cse453 (or .cse223 .cse226 .cse227 .cse215)) (.cse429 (or .cse290 (and .cse217 .cse78))) (.cse454 (<= .cse213 .cse3))) (let ((.cse426 (let ((.cse463 (and .cse449 .cse452 .cse453 .cse429 .cse454))) (or (and (or .cse463 .cse214) .cse211) (let ((.cse465 (@diff .cse464 .cse91))) (let ((.cse466 (select .cse91 .cse465))) (and (= (store .cse464 .cse465 .cse466) .cse91) (let ((.cse467 (and (or .cse223 .cse450 .cse252) .cse449 .cse452 .cse453 .cse429 .cse454))) (or .cse467 .cse463 (and .cse211 (or .cse467 .cse214)) .cse214 (let ((.cse468 (+ .cse93 .cse213 |c_remove_#in~x.offset|)) (.cse471 (= .cse213 .cse445))) (and (= (select .cse435 .cse468) .cse469) (or (not (= .cse213 .cse27)) (and (or (and (= .cse213 (select .cse435 .cse213)) .cse470) (and .cse439 .cse440 .cse441 .cse471 .cse470)) .cse440 .cse471)) (<= .cse213 .cse1) (or .cse223 (and .cse439 (= (select .cse73 .cse468) .cse443) (= (select .cse91 .cse468) .cse27) .cse440 .cse471 .cse470) (= .cse240 (+ .cse213 |c_remove_#in~x.offset|))) .cse470 (<= .cse1 .cse213))))) (let ((.cse478 (= .cse466 .cse27)) (.cse477 (= .cse466 .cse1))) (let ((.cse473 (or .cse223 .cse226 (= .cse466 |c_remove_#in~x.offset|) .cse227)) (.cse474 (or .cse478 .cse477)) (.cse475 (<= .cse465 .cse3)) (.cse476 (<= .cse3 .cse465)) (.cse472 (+ .cse465 |c_remove_#in~x.offset|))) (or .cse211 (and .cse211 (or (and .cse449 .cse452 (or .cse223 .cse450 .cse252 (<= .cse472 .cse451)) .cse453 .cse429 .cse454) .cse214)) (and .cse473 .cse474 .cse475 .cse476 .cse429) (and .cse473 .cse474 .cse475 .cse476 .cse429 (or (and .cse217 .cse477 .cse78 .cse260) .cse223 .cse252)) (let ((.cse479 (= .cse445 .cse465)) (.cse480 (+ .cse93 .cse465 |c_remove_#in~x.offset|))) (and .cse478 (or (and .cse479 .cse440 (or (and .cse478 (= (select .cse435 .cse465) .cse465)) (and .cse478 .cse479 .cse439 .cse440 .cse441))) (not (= .cse465 .cse27))) (or (= .cse472 .cse240) .cse223 (and .cse478 .cse479 .cse439 (= (select .cse91 .cse480) .cse27) .cse440 (= (select .cse73 .cse480) .cse443))) (<= .cse1 .cse465) (= .cse466 (select .cse435 .cse480)) (<= .cse465 .cse1)))))))))))) (.cse431 (or .cse223 .cse252 (and .cse217 (or .cse8 (and (let ((.cse438 (= .cse437 .cse27)) (.cse444 (+ .cse74 |c_remove_#in~x.offset|)) (.cse447 (<= .cse74 .cse3)) (.cse448 (<= .cse3 .cse74)) (.cse446 (= .cse437 .cse1))) (or (let ((.cse442 (= .cse74 .cse445)) (.cse436 (+ .cse74 .cse93 |c_remove_#in~x.offset|))) (and (= (select .cse435 .cse436) .cse437) (or (not (= .cse74 .cse27)) (and (or (and (= .cse74 (select .cse435 .cse74)) .cse438) (and .cse439 .cse440 .cse441 .cse442 .cse438)) .cse440 .cse442)) (<= .cse1 .cse74) (or .cse223 (and (= (select .cse91 .cse436) .cse27) .cse439 .cse440 .cse442 .cse438 (= (select .cse73 .cse436) .cse443)) (= .cse444 .cse240)) (<= .cse74 .cse1) .cse438)) .cse72 (and (or (and .cse217 .cse446 .cse78 .cse260) .cse223 .cse252) .cse447 (or .cse446 .cse438) .cse448 .cse429 (or .cse223 .cse226 .cse227 (= .cse437 |c_remove_#in~x.offset|))) (and (or (and .cse449 (or .cse223 .cse450 .cse252 (<= .cse444 .cse451)) .cse452 .cse453 .cse429 .cse454) .cse214) .cse211) (and .cse447 .cse448 (or (and .cse446 (or (and .cse277 (not (= .cse437 0))) .cse276)) .cse0)))) .cse78 .cse79 (let ((.cse455 (<= .cse77 .cse3)) (.cse457 (= .cse1 .cse456)) (.cse458 (<= .cse3 .cse77)) (.cse459 (+ .cse77 |c_remove_#in~x.offset|)) (.cse460 (= .cse27 .cse456))) (or .cse76 (and .cse455 (or .cse0 (and (or (and .cse277 (not (= .cse456 0))) .cse276) .cse457)) .cse458) (and .cse211 (or (and .cse449 .cse452 (or (<= .cse459 .cse451) .cse223 .cse450 .cse252) .cse453 .cse429 .cse454) .cse214)) (and (or .cse460 .cse457) .cse455 (or .cse223 (= .cse456 |c_remove_#in~x.offset|) .cse226 .cse227) .cse429 (or .cse223 .cse252 (and .cse217 .cse78 .cse457 .cse260)) .cse458) (let ((.cse461 (= .cse445 .cse77)) (.cse462 (+ .cse77 .cse93 |c_remove_#in~x.offset|))) (and (<= .cse1 .cse77) (or (and (or (and (= .cse77 (select .cse435 .cse77)) .cse460) (and .cse439 .cse461 .cse440 .cse441 .cse460)) .cse461 .cse440) (not (= .cse27 .cse77))) (<= .cse77 .cse1) (or .cse223 (= .cse459 .cse240) (and .cse439 .cse461 (= .cse443 (select .cse73 .cse462)) .cse440 (= (select .cse91 .cse462) .cse27) .cse460)) (= .cse456 (select .cse435 .cse462)) .cse460)))))) .cse78)))) (and (let ((.cse425 (not .cse110))) (or .cse425 (and (let ((.cse427 (and .cse217 (= .cse88 .cse71))) (.cse430 (= .cse88 |c_remove_#in~x.base|))) (or (and (or (and .cse426 (or (and .cse223 (or .cse427 (and (= .cse83 .cse428) .cse95)) .cse224 (or (= .cse1 .cse428) .cse82) (or .cse223 .cse226 .cse227 (= |c_remove_#in~x.offset| .cse428)) .cse94 .cse429 .cse95) .cse430) .cse431) .cse425 .cse427) .cse426 .cse431 .cse78) .cse80 .cse427 .cse430)) .cse96 (let ((.cse433 (and .cse217 (= .cse71 .cse100))) (.cse434 (= |c_remove_#in~x.base| .cse100))) (or .cse97 (and (or .cse425 (and .cse426 (or (and .cse107 .cse223 .cse108 .cse224 .cse429 (or (= .cse1 .cse432) .cse105) (or (= |c_remove_#in~x.offset| .cse432) .cse223 .cse226 .cse227) (or (and .cse108 (= .cse98 .cse432)) .cse433)) .cse434) .cse431) .cse433) .cse426 .cse431 .cse78) .cse433 .cse434))))) .cse426 .cse431 .cse78)))) (and .cse293 .cse294 .cse295 .cse110)) (let ((.cse493 (@diff .cse212 .cse73))) (let ((.cse496 (select .cse73 .cse493))) (let ((.cse486 (= .cse212 .cse73)) (.cse501 (select .cse91 .cse493)) (.cse502 (and .cse78 .cse110)) (.cse500 (select .cse73 .cse213)) (.cse491 (= .cse73 (store .cse212 .cse493 .cse496)))) (or .cse68 (let ((.cse490 (= .cse501 .cse27))) (let ((.cse485 (or (let ((.cse499 (select (select |c_#memory_$Pointer$.offset| .cse500) .cse3))) (let ((.cse497 (+ .cse93 .cse499 |c_remove_#in~x.offset|))) (let ((.cse498 (select .cse73 .cse497))) (and .cse217 (= (select .cse91 .cse497) .cse27) (= .cse213 (select (select |c_#memory_$Pointer$.offset| .cse498) .cse3)) (= .cse213 .cse499) (= .cse71 .cse498) (= .cse443 (select (select |c_#memory_$Pointer$.base| .cse498) .cse3)) .cse470 (= (select (select |c_#memory_$Pointer$.base| .cse500) .cse3) .cse443))))) .cse223)) (.cse484 (= .cse213 .cse1)) (.cse483 (= .cse213 |c_remove_#in~x.offset|)) (.cse487 (= .cse493 |c_remove_#in~x.offset|)) (.cse488 (= .cse493 .cse1)) (.cse489 (or .cse223 (let ((.cse494 (select (select |c_#memory_$Pointer$.offset| .cse496) .cse3))) (let ((.cse495 (+ .cse494 .cse93 |c_remove_#in~x.offset|))) (let ((.cse492 (select .cse73 .cse495))) (and .cse217 (= .cse71 .cse492) (= .cse493 .cse494) (= (select (select |c_#memory_$Pointer$.base| .cse492) .cse3) .cse443) .cse490 (= .cse493 (select (select |c_#memory_$Pointer$.offset| .cse492) .cse3)) (= .cse27 (select .cse91 .cse495)) (= (select (select |c_#memory_$Pointer$.base| .cse496) .cse3) .cse443)))))))) (and (or (and (or (and (or (and .cse217 .cse483 .cse484) (and .cse217 .cse485 .cse484)) .cse470) .cse214) (or .cse486 (and (or (and .cse217 .cse487 .cse484) (and .cse217 .cse488 .cse489 .cse484)) .cse490)) .cse211 .cse491) .cse214) .cse211 (or .cse486 (and .cse211 (or (and .cse470 (or (and .cse217 .cse488 .cse485 .cse484) (and .cse217 .cse483 .cse488))) .cse214) .cse491 (or .cse486 (and (or (and .cse217 .cse488 .cse487) (and .cse217 .cse488 .cse489)) .cse490)))) .cse491))) .cse502 (and (or .cse486 (and .cse317 (or .cse223 (and .cse315 (= |c_remove_#in~x.base| .cse496) .cse316 (= .cse501 .cse1))))) (or .cse502 (and .cse211 (or (and (or .cse223 (and .cse315 .cse316 (= .cse500 |c_remove_#in~x.base|) .cse481)) .cse317) .cse214))) .cse491))))) .cse180 (or (let ((.cse557 (select .cse115 .cse3))) (let ((.cse514 (+ .cse198 .cse1)) (.cse515 (and .cse217 .cse403 .cse120 .cse260)) (.cse529 (= .cse417 .cse557)) (.cse530 (= .cse557 |c_remove_#in~x.base|)) (.cse528 (= .cse417 |c_remove_#in~x.base|)) (.cse531 (select .cse131 .cse3)) (.cse516 (<= .cse198 .cse3)) (.cse507 (or (and .cse217 .cse120) .cse290)) (.cse517 (or .cse408 .cse403)) (.cse518 (or .cse223 .cse226 .cse200 .cse227)) (.cse519 (<= .cse3 .cse198))) (let ((.cse503 (let ((.cse540 (and .cse516 .cse507 .cse517 .cse518 .cse519))) (or (and (or .cse540 .cse199) .cse196) (let ((.cse546 (@diff .cse545 .cse131))) (let ((.cse547 (select .cse131 .cse546))) (and (let ((.cse541 (and .cse516 .cse507 .cse517 (or .cse223 .cse252 .cse515) .cse518 .cse519))) (or .cse540 .cse541 (let ((.cse543 (+ .cse198 .cse93 |c_remove_#in~x.offset|)) (.cse542 (= .cse531 .cse198))) (and (<= .cse198 .cse1) .cse408 (<= .cse1 .cse198) (or .cse223 (and .cse529 .cse542 (= (select .cse115 .cse543) .cse417) .cse408 .cse528 (= .cse27 (select .cse131 .cse543))) (= .cse240 (+ .cse198 |c_remove_#in~x.offset|))) (= (select .cse525 .cse543) .cse544) (or (not (= .cse27 .cse198)) (and (or (and .cse529 .cse542 .cse408 .cse528 .cse530) (and .cse408 (= (select .cse525 .cse198) .cse198))) .cse542 .cse528)))) (and (or .cse541 .cse199) .cse196) .cse199)) (= (store .cse545 .cse546 .cse547) .cse131) (let ((.cse554 (= .cse547 .cse27)) (.cse553 (= .cse547 .cse1))) (let ((.cse548 (or .cse554 .cse553)) (.cse549 (or .cse223 (= .cse547 |c_remove_#in~x.offset|) .cse226 .cse227)) (.cse550 (<= .cse546 .cse3)) (.cse551 (<= .cse3 .cse546)) (.cse552 (+ .cse546 |c_remove_#in~x.offset|))) (or (and .cse507 .cse548 .cse549 .cse550 .cse551) (and (or .cse199 (and .cse516 .cse507 (or (<= .cse552 .cse514) .cse223 .cse252 .cse515) .cse517 .cse518 .cse519)) .cse196) (and .cse507 .cse548 (or .cse223 (and .cse217 .cse120 .cse553 .cse260) .cse252) .cse549 .cse550 .cse551) .cse196 (let ((.cse555 (+ .cse546 .cse93 |c_remove_#in~x.offset|)) (.cse556 (= .cse531 .cse546))) (and (<= .cse1 .cse546) .cse554 (or .cse223 (and .cse554 (= .cse417 (select .cse115 .cse555)) (= (select .cse131 .cse555) .cse27) .cse529 .cse556 .cse528) (= .cse552 .cse240)) (= .cse547 (select .cse525 .cse555)) (<= .cse546 .cse1) (or (and .cse556 (or (and .cse554 .cse529 .cse556 .cse528 .cse530) (and .cse554 (= (select .cse525 .cse546) .cse546))) .cse528) (not (= .cse546 .cse27)))))))))))))) (.cse509 (or (and .cse217 (or (and .cse120 (let ((.cse513 (+ .cse116 |c_remove_#in~x.offset|)) (.cse520 (= .cse27 .cse522)) (.cse523 (<= .cse116 .cse3)) (.cse521 (= .cse1 .cse522)) (.cse524 (<= .cse3 .cse116))) (or .cse113 (and (or (and (or .cse223 .cse252 (<= .cse513 .cse514) .cse515) .cse516 .cse507 .cse517 .cse518 .cse519) .cse199) .cse196) (and (or .cse520 .cse521) (or .cse223 .cse226 .cse227 (= |c_remove_#in~x.offset| .cse522)) .cse507 .cse523 (or .cse223 .cse252 (and .cse217 .cse120 .cse521 .cse260)) .cse524) (let ((.cse527 (= .cse531 .cse116)) (.cse526 (+ .cse93 .cse116 |c_remove_#in~x.offset|))) (and (= (select .cse525 .cse526) .cse522) (<= .cse116 .cse1) .cse520 (<= .cse1 .cse116) (or (and .cse527 .cse528 (or (and (= (select .cse525 .cse116) .cse116) .cse520) (and .cse529 .cse527 .cse520 .cse528 .cse530))) (not (= .cse27 .cse116))) (or (= .cse513 .cse240) .cse223 (and .cse529 .cse527 .cse520 .cse528 (= (select .cse131 .cse526) .cse27) (= (select .cse115 .cse526) .cse417))))) (and .cse523 (or (and (or .cse276 (and .cse277 (not (= .cse522 0)))) .cse521) .cse0) .cse524))) (let ((.cse532 (= .cse1 .cse533)) (.cse534 (<= .cse119 .cse3)) (.cse536 (<= .cse3 .cse119)) (.cse537 (+ .cse119 |c_remove_#in~x.offset|)) (.cse535 (= .cse27 .cse533))) (or .cse118 (and (or .cse223 .cse252 (and .cse217 .cse120 .cse532 .cse260)) (or (= .cse533 |c_remove_#in~x.offset|) .cse223 .cse226 .cse227) .cse507 .cse534 (or .cse532 .cse535) .cse536) (and .cse196 (or (and (or .cse223 .cse252 (<= .cse537 .cse514) .cse515) .cse516 .cse507 .cse517 .cse518 .cse519) .cse199)) (and (or (and .cse532 (or (and (not (= .cse533 0)) .cse277) .cse276)) .cse0) .cse534 .cse536) (let ((.cse538 (= .cse531 .cse119)) (.cse539 (+ .cse119 .cse93 |c_remove_#in~x.offset|))) (and (or (not (= .cse119 .cse27)) (and .cse538 .cse528 (or (and .cse538 .cse529 .cse528 .cse530 .cse535) (and (= .cse119 (select .cse525 .cse119)) .cse535)))) (or .cse223 (and .cse538 .cse529 (= .cse417 (select .cse115 .cse539)) .cse528 (= .cse27 (select .cse131 .cse539)) .cse535) (= .cse537 .cse240)) (<= .cse1 .cse119) (= (select .cse525 .cse539) .cse533) .cse535 (<= .cse119 .cse1))))) .cse121) .cse8) .cse120) .cse223 .cse252))) (and .cse120 .cse503 (let ((.cse504 (not .cse112))) (or .cse504 (and .cse135 (let ((.cse505 (and .cse217 (= .cse71 .cse129))) (.cse506 (= .cse129 |c_remove_#in~x.base|))) (or .cse505 .cse132 (and (or (and (or .cse506 (and .cse223 .cse133 .cse507 (or .cse505 (and .cse133 (= .cse508 .cse124))) (or .cse123 (= .cse508 .cse1)) (or .cse223 .cse226 .cse227 (= .cse508 |c_remove_#in~x.offset|)) .cse224 .cse134)) .cse503 .cse509) .cse504 .cse505) .cse120 .cse503 .cse509) .cse506)) (let ((.cse510 (= |c_remove_#in~x.base| .cse143)) (.cse511 (and .cse217 (= .cse71 .cse143)))) (or .cse136 .cse510 (and (or .cse504 .cse511 (and (or .cse510 (and .cse223 .cse507 .cse224 .cse146 (or (= .cse512 |c_remove_#in~x.offset|) .cse223 .cse226 .cse227) .cse147 (or (and .cse146 (= .cse512 .cse137)) .cse511) (or (= .cse512 .cse1) .cse139))) .cse503 .cse509)) .cse120 .cse503 .cse509) .cse511))))) .cse509)))) (and .cse112 .cse293 .cse294 .cse295) .cse111))))))))))))))))))))))))) is different from false [2020-10-27 19:54:34,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 19:54:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:34,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:35,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:35,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-27 19:54:35,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:35,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-10-27 19:54:35,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 19:54:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:54:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 19:54:35,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:35,856 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 79 [2020-10-27 19:54:35,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:54:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:35,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:36,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:36,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 19:54:36,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:36,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-27 19:54:36,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 19:54:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 19:54:36,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:36,701 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-27 19:54:36,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:54:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:36,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:36,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:36,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-27 19:54:36,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:36,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-27 19:54:36,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:36,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:54:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 19:54:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:37,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:54:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:37,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:37,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:37,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 19:54:37,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:37,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 19:54:37,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:37,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:54:37,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:37,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 19:54:37,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:37,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:54:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:37,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:37,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:37,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 19:54:37,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:37,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 19:54:37,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:37,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 19:54:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:37,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:54:37,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:37,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 19:54:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:37,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:37,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:37,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:54:37,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:54:37,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:54:37,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:54:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 7 proven. 74 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-10-27 19:54:37,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586704262] [2020-10-27 19:54:37,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:54:37,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 19:54:37,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563618159] [2020-10-27 19:54:37,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 19:54:37,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:54:37,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 19:54:37,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=380, Unknown=1, NotChecked=38, Total=462 [2020-10-27 19:54:37,598 INFO L87 Difference]: Start difference. First operand 205 states and 390 transitions. Second operand 22 states. [2020-10-27 19:54:39,440 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 122 DAG size of output: 100 [2020-10-27 19:54:40,141 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2020-10-27 19:54:40,787 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-27 19:54:45,197 WARN L193 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 234 DAG size of output: 212 [2020-10-27 19:54:46,516 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 221 DAG size of output: 177 [2020-10-27 19:54:46,961 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-27 19:54:47,948 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-27 19:54:48,952 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 90 [2020-10-27 19:54:49,431 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-10-27 19:54:52,465 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 197 [2020-10-27 19:54:53,075 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-27 19:54:53,655 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 117