/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:50:30,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:50:30,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:50:30,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:50:30,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:50:30,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:50:30,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:50:30,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:50:30,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:50:30,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:50:30,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:50:30,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:50:30,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:50:30,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:50:30,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:50:30,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:50:30,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:50:30,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:50:30,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:50:30,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:50:30,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:50:30,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:50:30,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:50:30,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:50:30,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:50:30,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:50:30,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:50:30,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:50:30,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:50:30,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:50:30,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:50:30,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:50:30,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:50:30,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:50:30,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:50:30,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:50:30,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:50:30,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:50:30,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:50:30,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:50:30,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:50:30,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 14:50:30,505 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:50:30,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:50:30,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:50:30,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:50:30,507 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:50:30,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:50:30,508 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:50:30,508 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:50:30,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:50:30,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:50:30,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:50:30,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:50:30,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:50:30,509 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:50:30,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:50:30,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:50:30,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:50:30,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:50:30,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:50:30,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:50:30,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:50:30,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:50:30,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:50:30,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:50:30,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:50:30,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:50:30,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:50:30,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:50:30,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:50:30,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:50:30,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:50:30,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:50:30,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:50:30,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:50:30,972 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:50:30,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i [2020-10-28 14:50:31,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d4a04414/cede54acea78405d9e51c0956619c643/FLAG8b1037a44 [2020-10-28 14:50:31,779 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:50:31,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2c_update_all.i [2020-10-28 14:50:31,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d4a04414/cede54acea78405d9e51c0956619c643/FLAG8b1037a44 [2020-10-28 14:50:32,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d4a04414/cede54acea78405d9e51c0956619c643 [2020-10-28 14:50:32,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:50:32,016 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:50:32,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:50:32,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:50:32,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:50:32,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:50:32" (1/1) ... [2020-10-28 14:50:32,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@356c194a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:32, skipping insertion in model container [2020-10-28 14:50:32,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:50:32" (1/1) ... [2020-10-28 14:50:32,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:50:32,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:50:32,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:50:32,499 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:50:32,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:50:32,700 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:50:32,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:32 WrapperNode [2020-10-28 14:50:32,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:50:32,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:50:32,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:50:32,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:50:32,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:32" (1/1) ... [2020-10-28 14:50:32,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:32" (1/1) ... [2020-10-28 14:50:32,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:32" (1/1) ... [2020-10-28 14:50:32,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:32" (1/1) ... [2020-10-28 14:50:32,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:32" (1/1) ... [2020-10-28 14:50:32,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:32" (1/1) ... [2020-10-28 14:50:32,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:32" (1/1) ... [2020-10-28 14:50:32,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:50:32,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:50:32,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:50:32,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:50:32,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:50:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:50:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:50:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:50:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-28 14:50:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-28 14:50:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-28 14:50:32,971 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-28 14:50:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2020-10-28 14:50:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2020-10-28 14:50:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2020-10-28 14:50:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2020-10-28 14:50:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:50:32,972 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:50:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:50:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 14:50:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 14:50:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:50:32,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:50:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-28 14:50:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-28 14:50:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-28 14:50:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-28 14:50:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-28 14:50:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-28 14:50:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-28 14:50:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-28 14:50:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-28 14:50:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-28 14:50:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-28 14:50:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-28 14:50:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-28 14:50:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-28 14:50:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-28 14:50:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-28 14:50:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-28 14:50:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-28 14:50:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-28 14:50:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-28 14:50:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-28 14:50:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-28 14:50:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-28 14:50:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-28 14:50:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-28 14:50:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-28 14:50:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-28 14:50:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-28 14:50:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-28 14:50:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-28 14:50:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-28 14:50:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-28 14:50:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-28 14:50:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-28 14:50:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-28 14:50:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-28 14:50:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-28 14:50:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-28 14:50:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-28 14:50:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-28 14:50:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-28 14:50:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-28 14:50:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-28 14:50:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-28 14:50:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-28 14:50:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-28 14:50:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-28 14:50:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-28 14:50:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-28 14:50:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-28 14:50:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-28 14:50:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-28 14:50:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 14:50:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 14:50:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-28 14:50:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 14:50:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-28 14:50:32,983 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-28 14:50:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-28 14:50:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-28 14:50:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-28 14:50:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-28 14:50:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-28 14:50:32,984 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-28 14:50:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 14:50:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-28 14:50:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-28 14:50:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-28 14:50:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-28 14:50:32,985 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-28 14:50:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-28 14:50:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-28 14:50:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-28 14:50:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-28 14:50:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-28 14:50:32,986 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-28 14:50:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-28 14:50:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-28 14:50:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-28 14:50:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-28 14:50:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-28 14:50:32,987 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-28 14:50:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-28 14:50:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-28 14:50:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-28 14:50:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-28 14:50:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-28 14:50:32,988 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-28 14:50:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-28 14:50:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-28 14:50:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-28 14:50:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-28 14:50:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-28 14:50:32,989 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-28 14:50:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-28 14:50:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-28 14:50:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-28 14:50:32,990 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-28 14:50:32,991 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-28 14:50:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-28 14:50:32,992 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-28 14:50:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-28 14:50:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-28 14:50:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-28 14:50:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-28 14:50:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-28 14:50:32,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 14:50:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 14:50:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:50:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2020-10-28 14:50:32,994 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2020-10-28 14:50:32,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 14:50:32,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:50:32,997 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2020-10-28 14:50:32,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:50:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2020-10-28 14:50:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:50:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:50:33,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:50:33,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:50:33,615 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-28 14:50:33,887 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:50:33,887 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-28 14:50:33,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:50:33 BoogieIcfgContainer [2020-10-28 14:50:33,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:50:33,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:50:33,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:50:33,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:50:33,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:50:32" (1/3) ... [2020-10-28 14:50:33,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739f7a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:50:33, skipping insertion in model container [2020-10-28 14:50:33,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:50:32" (2/3) ... [2020-10-28 14:50:33,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739f7a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:50:33, skipping insertion in model container [2020-10-28 14:50:33,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:50:33" (3/3) ... [2020-10-28 14:50:33,900 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2c_update_all.i [2020-10-28 14:50:33,913 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:50:33,919 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:50:33,934 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:50:33,965 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:50:33,965 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:50:33,965 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:50:33,965 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:50:33,966 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:50:33,966 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:50:33,966 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:50:33,966 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:50:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-10-28 14:50:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-28 14:50:33,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:50:33,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:50:33,996 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:50:34,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:50:34,006 INFO L82 PathProgramCache]: Analyzing trace with hash -2066695310, now seen corresponding path program 1 times [2020-10-28 14:50:34,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:50:34,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292765321] [2020-10-28 14:50:34,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:50:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:34,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:34,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:34,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:35,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:35,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 14:50:35,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 14:50:35,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1113 [2020-10-28 14:50:35,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:35,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 14:50:35,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:50:35,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 14:50:35,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 14:50:35,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:50:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:35,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:35,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:35,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:50:35,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:35,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:50:35,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:35,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:35,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:35,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 21 [2020-10-28 14:50:35,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:50:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:35,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:35,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:35,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:35,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 14:50:35,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:50:35,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-28 14:50:35,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:35,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:35,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:50:35,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:35,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 14:50:35,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:35,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:50:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:35,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:35,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:35,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:35,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:35,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 14:50:35,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:35,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:35,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:35,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:35,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:35,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 14:50:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:35,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:35,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:35,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:35,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:35,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:50:35,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:35,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:50:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:35,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:35,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:50:35,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292765321] [2020-10-28 14:50:35,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:50:35,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 14:50:35,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873941978] [2020-10-28 14:50:35,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 14:50:35,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:50:35,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 14:50:35,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 14:50:35,777 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 6 states. [2020-10-28 14:50:36,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:50:36,209 INFO L93 Difference]: Finished difference Result 115 states and 159 transitions. [2020-10-28 14:50:36,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 14:50:36,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-28 14:50:36,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:50:36,221 INFO L225 Difference]: With dead ends: 115 [2020-10-28 14:50:36,221 INFO L226 Difference]: Without dead ends: 54 [2020-10-28 14:50:36,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:50:36,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-28 14:50:36,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2020-10-28 14:50:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-28 14:50:36,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2020-10-28 14:50:36,277 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 34 [2020-10-28 14:50:36,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:50:36,278 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2020-10-28 14:50:36,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 14:50:36,278 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2020-10-28 14:50:36,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-28 14:50:36,280 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:50:36,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:50:36,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:50:36,281 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:50:36,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:50:36,282 INFO L82 PathProgramCache]: Analyzing trace with hash -940956612, now seen corresponding path program 1 times [2020-10-28 14:50:36,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:50:36,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764973140] [2020-10-28 14:50:36,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:50:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:36,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:36,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:36,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:36,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:37,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:37,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:41,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:41,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-28 14:50:41,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 14:50:41,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4983 [2020-10-28 14:50:41,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:41,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:41,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:50:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:50:41,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 14:50:41,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:41,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:50:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:41,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:41,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:41,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:50:41,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:41,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:50:41,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:41,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:41,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:41,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:41,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:41,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:41,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:50:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:41,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:41,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:41,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:41,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 14:50:41,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:50:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-28 14:50:41,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:41,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:50:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:41,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 14:50:41,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:41,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:50:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:41,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:41,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:41,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:41,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:41,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:50:41,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:41,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:41,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:41,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:41,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:41,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:41,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 14:50:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:41,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:41,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:41,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:41,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:41,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 14:50:41,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:41,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:50:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:50:41,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:41,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 14:50:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:41,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:41,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:41,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:41,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:41,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:50:41,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:41,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:50:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:41,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:50:41,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764973140] [2020-10-28 14:50:41,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:50:41,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:50:41,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463314163] [2020-10-28 14:50:41,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:50:41,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:50:41,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:50:41,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:50:41,689 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand 10 states. [2020-10-28 14:50:42,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:50:42,247 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2020-10-28 14:50:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 14:50:42,248 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 42 [2020-10-28 14:50:42,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:50:42,252 INFO L225 Difference]: With dead ends: 75 [2020-10-28 14:50:42,252 INFO L226 Difference]: Without dead ends: 60 [2020-10-28 14:50:42,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2020-10-28 14:50:42,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-28 14:50:42,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53. [2020-10-28 14:50:42,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-28 14:50:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions. [2020-10-28 14:50:42,281 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 42 [2020-10-28 14:50:42,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:50:42,283 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions. [2020-10-28 14:50:42,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:50:42,283 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions. [2020-10-28 14:50:42,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-28 14:50:42,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:50:42,288 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:50:42,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:50:42,288 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:50:42,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:50:42,289 INFO L82 PathProgramCache]: Analyzing trace with hash 2038782038, now seen corresponding path program 1 times [2020-10-28 14:50:42,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:50:42,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801811845] [2020-10-28 14:50:42,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:50:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:42,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:42,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:42,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:42,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:43,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:43,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-28 14:50:43,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:50:43,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1388 [2020-10-28 14:50:43,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:43,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:50:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 14:50:43,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-28 14:50:43,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:43,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:50:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:43,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:43,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:43,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:50:43,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:43,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:50:43,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:43,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:43,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:43,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:43,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:43,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:43,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:50:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:43,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:43,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:43,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-28 14:50:43,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:43,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 14:50:43,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:43,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:50:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:43,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 14:50:43,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:43,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:50:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:43,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:43,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:43,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:43,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:43,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:50:43,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:43,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:43,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:50:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:43,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:50:43,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:43,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 14:50:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:43,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:43,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:43,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:43,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:43,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:50:43,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:43,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:43,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:50:43,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:43,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:50:43,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:43,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:50:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:43,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:43,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:43,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:50:43,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:43,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:50:43,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:43,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:43,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:43,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:50:43,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:43,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:43,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 14:50:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:43,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:43,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:43,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:43,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:43,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:50:43,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:43,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:43,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:43,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:50:43,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:43,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-28 14:50:44,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801811845] [2020-10-28 14:50:44,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:50:44,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 14:50:44,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678290364] [2020-10-28 14:50:44,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:50:44,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:50:44,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:50:44,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:50:44,003 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand 10 states. [2020-10-28 14:50:44,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:50:44,430 INFO L93 Difference]: Finished difference Result 93 states and 109 transitions. [2020-10-28 14:50:44,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 14:50:44,431 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2020-10-28 14:50:44,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:50:44,433 INFO L225 Difference]: With dead ends: 93 [2020-10-28 14:50:44,433 INFO L226 Difference]: Without dead ends: 56 [2020-10-28 14:50:44,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-10-28 14:50:44,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-28 14:50:44,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2020-10-28 14:50:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-28 14:50:44,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2020-10-28 14:50:44,446 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 51 [2020-10-28 14:50:44,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:50:44,447 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2020-10-28 14:50:44,447 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:50:44,447 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2020-10-28 14:50:44,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-28 14:50:44,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:50:44,449 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:50:44,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 14:50:44,450 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:50:44,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:50:44,451 INFO L82 PathProgramCache]: Analyzing trace with hash 517434430, now seen corresponding path program 1 times [2020-10-28 14:50:44,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:50:44,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1493071178] [2020-10-28 14:50:44,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:50:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:44,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:46,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:46,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 14:50:46,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:46,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1709 [2020-10-28 14:50:46,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:46,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:46,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-28 14:50:46,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 14:50:46,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 14:50:46,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:46,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:50:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:46,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:46,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:46,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:50:46,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:46,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:50:46,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:46,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:46,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:46,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:46,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:46,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:46,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:50:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:46,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:46,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:46,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 14:50:46,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:46,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 259 [2020-10-28 14:50:46,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:46,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:46,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-28 14:50:46,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:46,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 14:50:46,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:47,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:50:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:47,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:47,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:47,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:47,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:47,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 14:50:47,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:47,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:47,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:50:47,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:47,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 14:50:47,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:47,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:50:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:47,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:47,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:47,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:47,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:47,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 14:50:47,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:47,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:47,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:50:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:50:47,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 14:50:47,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:47,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:50:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:47,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:47,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:47,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:47,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:47,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 14:50:47,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:47,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:50:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:50:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 14:50:47,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:47,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:50:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:47,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:47,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:47,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:50:47,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:47,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-28 14:50:47,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:47,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:50:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:50:47,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 14:50:47,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:47,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 14:50:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:47,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:47,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:47,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:47,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:47,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 14:50:47,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:47,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:50:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:50:47,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-28 14:50:47,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1493071178] [2020-10-28 14:50:47,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:50:47,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-28 14:50:47,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448233809] [2020-10-28 14:50:47,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-28 14:50:47,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:50:47,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-28 14:50:47,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=751, Unknown=0, NotChecked=0, Total=812 [2020-10-28 14:50:47,919 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand 29 states. [2020-10-28 14:50:50,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:50:50,956 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2020-10-28 14:50:50,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-28 14:50:50,957 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 59 [2020-10-28 14:50:50,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:50:50,960 INFO L225 Difference]: With dead ends: 98 [2020-10-28 14:50:50,961 INFO L226 Difference]: Without dead ends: 94 [2020-10-28 14:50:50,966 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=174, Invalid=1896, Unknown=0, NotChecked=0, Total=2070 [2020-10-28 14:50:50,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-28 14:50:50,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 81. [2020-10-28 14:50:50,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-28 14:50:50,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 103 transitions. [2020-10-28 14:50:50,995 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 103 transitions. Word has length 59 [2020-10-28 14:50:50,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:50:50,996 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 103 transitions. [2020-10-28 14:50:50,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-28 14:50:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2020-10-28 14:50:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 14:50:50,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:50:50,999 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:50:50,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 14:50:50,999 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:50:51,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:50:51,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1767243702, now seen corresponding path program 2 times [2020-10-28 14:50:51,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:50:51,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1566020693] [2020-10-28 14:50:51,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:50:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:51,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:51,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:51,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:51,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:52,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:52,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 14:50:52,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:50:52,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1460 [2020-10-28 14:50:52,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:52,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:50:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:50:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 14:50:52,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:52,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:50:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:52,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:52,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:52,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:50:52,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:52,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:50:52,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:52,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:52,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:52,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:50:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:52,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:52,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:52,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:52,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 14:50:52,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:50:52,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-28 14:50:52,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:52,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:52,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:50:52,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:52,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 14:50:52,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:52,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:50:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:52,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:52,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:52,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:52,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:52,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:50:52,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:52,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:52,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:52,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:52,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:52,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:52,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:50:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:52,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:52,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:52,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:52,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:52,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:50:52,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:52,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:52,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:52,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:52,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:52,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:52,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:50:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:52,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:52,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:52,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:50:52,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:52,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 14:50:52,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:52,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:52,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:50:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:50:52,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:52,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 14:50:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:52,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:52,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:52,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:50:52,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:50:52,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:52,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:50:52,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:52,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:52,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:50:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:52,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:52,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:52,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:52,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:52,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:50:52,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:52,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:52,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:52,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:50:52,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:52,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 14:50:52,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1566020693] [2020-10-28 14:50:52,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:50:52,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:50:52,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409485392] [2020-10-28 14:50:52,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:50:52,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:50:52,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:50:52,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:50:52,855 INFO L87 Difference]: Start difference. First operand 81 states and 103 transitions. Second operand 10 states. [2020-10-28 14:50:53,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:50:53,397 INFO L93 Difference]: Finished difference Result 120 states and 148 transitions. [2020-10-28 14:50:53,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 14:50:53,400 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2020-10-28 14:50:53,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:50:53,403 INFO L225 Difference]: With dead ends: 120 [2020-10-28 14:50:53,404 INFO L226 Difference]: Without dead ends: 81 [2020-10-28 14:50:53,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-10-28 14:50:53,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-28 14:50:53,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-28 14:50:53,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-28 14:50:53,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 97 transitions. [2020-10-28 14:50:53,437 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 97 transitions. Word has length 60 [2020-10-28 14:50:53,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:50:53,438 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 97 transitions. [2020-10-28 14:50:53,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:50:53,441 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2020-10-28 14:50:53,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 14:50:53,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:50:53,446 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:50:53,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 14:50:53,447 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:50:53,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:50:53,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1062352414, now seen corresponding path program 3 times [2020-10-28 14:50:53,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:50:53,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574951354] [2020-10-28 14:50:53,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:50:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:53,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:53,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:53,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:53,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:56,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:56,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 14:50:56,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 14:50:56,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2621 [2020-10-28 14:50:56,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:56,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:50:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:50:56,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 14:50:56,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:56,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:50:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:56,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:56,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:56,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:50:56,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:56,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:50:56,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:56,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:56,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:56,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:56,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:56,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:56,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:50:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:56,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:56,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:56,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 14:50:56,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:50:56,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-28 14:50:56,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:56,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:50:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:56,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 14:50:56,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:56,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:50:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:56,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:56,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:56,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:56,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:56,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:50:56,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:56,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:56,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:56,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:56,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:50:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:56,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:56,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:56,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:56,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:56,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:50:56,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:56,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:56,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:56,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:56,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:56,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:50:56,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:50:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:56,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:56,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:56,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:56,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:56,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:50:56,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:56,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:56,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:50:56,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:50:56,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:50:56,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:56,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:50:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:56,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:56,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:56,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 14:50:56,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:56,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 14:50:56,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:56,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:50:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:50:56,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:50:56,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:56,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 14:50:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:56,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:56,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:50:56,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:50:56,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:50:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:50:56,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:50:56,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:50:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:50:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:50:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:50:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:50:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 14:50:56,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574951354] [2020-10-28 14:50:56,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:50:56,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:50:56,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229376578] [2020-10-28 14:50:56,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:50:56,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:50:56,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:50:56,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:50:56,491 INFO L87 Difference]: Start difference. First operand 81 states and 97 transitions. Second operand 10 states. [2020-10-28 14:50:57,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:50:57,114 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2020-10-28 14:50:57,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 14:50:57,115 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2020-10-28 14:50:57,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:50:57,117 INFO L225 Difference]: With dead ends: 103 [2020-10-28 14:50:57,117 INFO L226 Difference]: Without dead ends: 78 [2020-10-28 14:50:57,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-10-28 14:50:57,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-28 14:50:57,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2020-10-28 14:50:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-28 14:50:57,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 90 transitions. [2020-10-28 14:50:57,140 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 90 transitions. Word has length 60 [2020-10-28 14:50:57,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:50:57,140 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 90 transitions. [2020-10-28 14:50:57,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:50:57,140 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2020-10-28 14:50:57,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 14:50:57,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:50:57,145 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:50:57,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 14:50:57,145 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:50:57,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:50:57,146 INFO L82 PathProgramCache]: Analyzing trace with hash 607059851, now seen corresponding path program 1 times [2020-10-28 14:50:57,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:50:57,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499942644] [2020-10-28 14:50:57,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:50:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:50:57,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:57,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:58,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:58,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:58,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:59,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:50:59,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:02,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:02,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 14:51:02,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 14:51:02,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 14:51:02,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:02,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:02,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:51:02,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 14:51:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:02,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:02,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:51:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:02,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:02,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:02,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:51:02,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:02,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:51:02,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:02,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:02,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:02,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:02,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:02,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:51:02,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:51:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:02,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:02,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:02,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 14:51:02,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:02,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:51:02,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:02,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:02,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:02,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:51:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:02,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:02,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:02,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:02,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:51:02,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:02,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:02,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:02,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:02,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:51:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:02,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:02,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:02,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:02,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:02,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:51:02,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:02,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:02,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:02,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:51:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:02,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:02,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:02,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:02,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:02,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:51:02,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:02,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:02,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:02,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:02,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:51:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:02,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:02,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:02,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:51:02,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:02,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:51:02,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:02,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:02,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:02,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:02,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:02,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:02,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 14:51:02,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:02,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:02,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:02,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:51:02,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:02,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 14:51:02,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:02,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:02,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:51:02,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:51:02,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:51:02,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 14:51:02,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499942644] [2020-10-28 14:51:02,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:51:02,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 14:51:02,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518808615] [2020-10-28 14:51:02,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 14:51:02,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:51:02,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 14:51:02,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 14:51:02,391 INFO L87 Difference]: Start difference. First operand 77 states and 90 transitions. Second operand 8 states. [2020-10-28 14:51:02,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:51:02,817 INFO L93 Difference]: Finished difference Result 102 states and 120 transitions. [2020-10-28 14:51:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 14:51:02,818 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-10-28 14:51:02,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:51:02,819 INFO L225 Difference]: With dead ends: 102 [2020-10-28 14:51:02,819 INFO L226 Difference]: Without dead ends: 84 [2020-10-28 14:51:02,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 14:51:02,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-28 14:51:02,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2020-10-28 14:51:02,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-28 14:51:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 92 transitions. [2020-10-28 14:51:02,836 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 92 transitions. Word has length 60 [2020-10-28 14:51:02,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:51:02,837 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 92 transitions. [2020-10-28 14:51:02,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 14:51:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2020-10-28 14:51:02,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-28 14:51:02,839 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:51:02,839 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-10-28 14:51:02,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 14:51:02,839 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:51:02,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:51:02,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1340536652, now seen corresponding path program 4 times [2020-10-28 14:51:02,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:51:02,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068247043] [2020-10-28 14:51:02,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:51:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:02,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:02,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:02,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:03,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:05,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:06,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:06,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:07,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:07,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:07,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 14:51:07,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:51:07,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 14:51:07,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:07,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:51:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:51:07,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 14:51:07,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:07,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:51:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:07,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:07,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:07,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:51:07,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:07,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:51:07,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:07,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:07,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:07,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:07,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:07,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:08,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:51:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:08,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:08,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:08,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:08,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 14:51:08,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:51:08,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 14:51:08,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:08,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 14:51:08,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:08,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:51:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:08,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:08,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:08,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:08,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:08,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:51:08,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:08,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:08,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:08,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:08,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:08,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:08,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:51:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:08,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:08,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:08,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:08,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:08,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:51:08,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:08,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:08,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:08,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:08,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:51:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:08,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:08,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:08,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:08,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:08,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:51:08,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:08,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:08,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:08,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:08,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:08,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:08,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:51:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:08,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:08,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:08,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:08,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:08,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:51:08,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:08,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:08,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:08,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:08,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:08,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 14:51:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:08,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:08,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:08,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:51:08,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:08,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:51:08,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:08,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 14:51:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:08,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:08,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 14:51:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:08,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:08,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:08,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:08,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:51:08,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:08,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:51:08,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:08,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 14:51:08,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068247043] [2020-10-28 14:51:08,216 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:51:08,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 14:51:08,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324711971] [2020-10-28 14:51:08,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:51:08,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:51:08,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:51:08,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:51:08,218 INFO L87 Difference]: Start difference. First operand 79 states and 92 transitions. Second operand 9 states. [2020-10-28 14:51:08,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:51:08,537 INFO L93 Difference]: Finished difference Result 121 states and 139 transitions. [2020-10-28 14:51:08,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 14:51:08,537 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2020-10-28 14:51:08,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:51:08,539 INFO L225 Difference]: With dead ends: 121 [2020-10-28 14:51:08,539 INFO L226 Difference]: Without dead ends: 82 [2020-10-28 14:51:08,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-28 14:51:08,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-28 14:51:08,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2020-10-28 14:51:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-28 14:51:08,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-10-28 14:51:08,567 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 67 [2020-10-28 14:51:08,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:51:08,567 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-10-28 14:51:08,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:51:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-10-28 14:51:08,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-28 14:51:08,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:51:08,569 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:51:08,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 14:51:08,570 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:51:08,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:51:08,571 INFO L82 PathProgramCache]: Analyzing trace with hash -999614426, now seen corresponding path program 5 times [2020-10-28 14:51:08,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:51:08,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590848914] [2020-10-28 14:51:08,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:51:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:08,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:08,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:08,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:08,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:10,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:13,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:13,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 14:51:13,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 14:51:13,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 14:51:13,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:13,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:13,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:51:13,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-28 14:51:13,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 14:51:13,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:13,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:51:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:13,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:13,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:13,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:51:13,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:13,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:51:13,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:13,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:13,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:13,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:13,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:51:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:13,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:13,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:13,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 14:51:13,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:13,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-28 14:51:13,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:13,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:13,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:51:13,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:13,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 14:51:13,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:13,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:51:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:13,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:13,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:13,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:13,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:13,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:51:13,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:13,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:13,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:51:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:13,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:13,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:13,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:13,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:13,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:51:13,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:13,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:13,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:13,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 14:51:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:13,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:13,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:13,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:13,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 14:51:13,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:13,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:13,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:51:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:13,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:13,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:13,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:13,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:13,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:51:13,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:13,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:13,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:13,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:13,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:13,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:13,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 14:51:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:13,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:14,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:14,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:51:14,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:14,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 14:51:14,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:14,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:14,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:51:14,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:14,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 14:51:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:14,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:14,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:14,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:14,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:51:14,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:14,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:14,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:14,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 14:51:14,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:14,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 14:51:14,026 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-28 14:51:14,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590848914] [2020-10-28 14:51:14,027 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:51:14,027 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 14:51:14,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380277307] [2020-10-28 14:51:14,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 14:51:14,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:51:14,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 14:51:14,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:51:14,036 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 12 states. [2020-10-28 14:51:14,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:51:14,575 INFO L93 Difference]: Finished difference Result 99 states and 111 transitions. [2020-10-28 14:51:14,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 14:51:14,575 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 67 [2020-10-28 14:51:14,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:51:14,577 INFO L225 Difference]: With dead ends: 99 [2020-10-28 14:51:14,577 INFO L226 Difference]: Without dead ends: 62 [2020-10-28 14:51:14,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-10-28 14:51:14,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-28 14:51:14,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-28 14:51:14,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-28 14:51:14,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2020-10-28 14:51:14,602 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 67 [2020-10-28 14:51:14,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:51:14,602 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2020-10-28 14:51:14,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 14:51:14,602 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2020-10-28 14:51:14,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-28 14:51:14,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:51:14,603 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:51:14,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 14:51:14,606 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:51:14,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:51:14,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1553533929, now seen corresponding path program 1 times [2020-10-28 14:51:14,607 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:51:14,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849692996] [2020-10-28 14:51:14,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:51:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:14,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:14,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:14,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:15,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:15,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:15,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:16,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:16,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:18,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:18,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-28 14:51:18,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:51:18,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3977 [2020-10-28 14:51:18,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:18,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:18,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:51:18,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-28 14:51:18,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 14:51:18,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:18,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:51:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:18,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:18,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:18,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:51:18,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:18,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:51:18,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:18,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:18,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:18,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:18,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:18,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:18,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:51:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:18,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:18,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:18,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 14:51:18,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:18,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 14:51:18,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:18,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:18,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:18,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:18,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:18,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:18,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:51:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:18,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:18,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:18,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:18,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:18,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:51:18,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:18,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:18,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:18,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:18,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:18,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:18,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:51:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:18,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:18,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:18,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:18,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:18,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:51:18,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:18,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:18,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:18,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:18,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:18,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:51:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:18,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:18,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:18,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:18,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:18,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:51:18,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:18,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:18,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:18,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:18,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:51:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:18,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:18,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:18,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:51:18,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:51:18,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:18,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:18,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:18,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:18,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 14:51:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:18,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:18,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:18,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:18,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:18,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:51:18,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:18,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:18,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:18,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 14:51:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:18,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:18,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:18,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:18,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:51:18,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:18,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:51:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:51:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:18,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-28 14:51:18,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849692996] [2020-10-28 14:51:18,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:51:18,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 14:51:18,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619190114] [2020-10-28 14:51:18,806 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 14:51:18,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:51:18,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 14:51:18,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:51:18,811 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand 9 states. [2020-10-28 14:51:19,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:51:19,177 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2020-10-28 14:51:19,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 14:51:19,178 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2020-10-28 14:51:19,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:51:19,179 INFO L225 Difference]: With dead ends: 68 [2020-10-28 14:51:19,179 INFO L226 Difference]: Without dead ends: 62 [2020-10-28 14:51:19,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-28 14:51:19,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-28 14:51:19,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-28 14:51:19,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-28 14:51:19,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-10-28 14:51:19,196 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 69 [2020-10-28 14:51:19,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:51:19,197 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-10-28 14:51:19,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 14:51:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-10-28 14:51:19,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-28 14:51:19,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:51:19,201 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:51:19,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 14:51:19,201 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:51:19,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:51:19,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1633594048, now seen corresponding path program 1 times [2020-10-28 14:51:19,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:51:19,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785140720] [2020-10-28 14:51:19,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:51:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:19,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:19,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:20,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:20,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:20,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:20,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:21,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:21,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:22,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:24,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:24,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:24,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-28 14:51:24,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 14:51:24,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 14:51:24,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:24,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-28 14:51:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:51:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 14:51:24,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:24,738 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-10-28 14:51:24,977 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-10-28 14:51:25,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:51:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:25,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:25,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:25,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:51:25,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:25,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:51:25,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:25,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:25,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:25,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:25,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:51:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:25,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:25,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:25,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 14:51:25,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:25,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-28 14:51:25,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:25,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:25,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-28 14:51:25,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:25,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 14:51:25,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:25,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:51:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:25,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:25,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:25,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:25,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:25,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 14:51:25,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:25,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:25,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:51:25,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:25,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:25,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:25,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:51:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:25,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:26,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:26,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:26,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:26,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 14:51:26,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:26,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:51:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:51:26,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:26,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:51:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:26,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:26,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:26,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:26,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:26,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 14:51:26,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:26,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:26,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:51:26,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:51:26,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 14:51:26,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:26,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:51:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:26,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:26,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:26,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:51:26,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:26,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 14:51:26,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:26,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:26,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 14:51:26,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:51:26,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 14:51:26,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:26,686 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-28 14:51:26,889 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2020-10-28 14:51:26,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 14:51:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:26,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:26,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:26,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:26,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:26,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 14:51:26,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:26,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:51:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:51:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:27,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 14:51:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:27,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:27,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:51:27,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:27,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 14:51:27,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:27,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:27,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:51:27,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:27,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:51:27,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 14:51:27,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785140720] [2020-10-28 14:51:27,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:51:27,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-28 14:51:27,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954054766] [2020-10-28 14:51:27,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-28 14:51:27,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:51:27,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-28 14:51:27,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1243, Unknown=0, NotChecked=0, Total=1332 [2020-10-28 14:51:27,401 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 37 states. [2020-10-28 14:51:29,014 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 61 [2020-10-28 14:51:29,422 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-28 14:51:30,090 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-10-28 14:51:30,252 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-28 14:51:30,466 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-10-28 14:51:31,277 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2020-10-28 14:51:31,605 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2020-10-28 14:51:32,116 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-10-28 14:51:32,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:51:32,248 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2020-10-28 14:51:32,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-28 14:51:32,248 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 70 [2020-10-28 14:51:32,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:51:32,250 INFO L225 Difference]: With dead ends: 72 [2020-10-28 14:51:32,250 INFO L226 Difference]: Without dead ends: 63 [2020-10-28 14:51:32,254 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=348, Invalid=3942, Unknown=0, NotChecked=0, Total=4290 [2020-10-28 14:51:32,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-28 14:51:32,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-28 14:51:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-28 14:51:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 66 transitions. [2020-10-28 14:51:32,278 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 66 transitions. Word has length 70 [2020-10-28 14:51:32,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:51:32,278 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 66 transitions. [2020-10-28 14:51:32,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-28 14:51:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2020-10-28 14:51:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-28 14:51:32,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:51:32,280 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:51:32,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 14:51:32,280 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:51:32,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:51:32,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1650313527, now seen corresponding path program 2 times [2020-10-28 14:51:32,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:51:32,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316624251] [2020-10-28 14:51:32,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:51:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:32,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:32,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:32,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:32,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:32,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:32,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:35,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:35,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:37,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:37,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-28 14:51:37,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 14:51:37,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 14:51:37,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:37,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:51:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 14:51:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-28 14:51:37,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:37,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:51:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:37,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:37,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:37,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:51:37,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:37,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:51:37,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:37,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:37,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:37,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 14:51:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:37,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:37,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:37,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:37,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 14:51:37,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:51:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-28 14:51:37,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:37,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:37,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 14:51:37,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:51:37,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:51:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:37,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:37,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:37,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:37,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:37,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:51:37,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:37,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:37,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:37,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:51:37,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 14:51:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:37,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:37,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:37,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:37,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:37,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:51:37,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:37,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:37,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:51:37,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:37,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:51:37,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:51:37,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 14:51:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:37,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:37,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:37,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:37,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:37,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 14:51:37,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:37,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:37,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:37,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:37,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 14:51:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:37,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:37,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:37,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 14:51:37,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:37,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 14:51:37,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:37,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:37,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:37,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:37,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 14:51:37,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:51:37,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 14:51:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:37,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:37,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:37,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 14:51:37,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:37,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:51:37,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:37,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:37,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:51:37,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:51:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 14:51:37,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:51:37,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 14:51:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:51:37,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:51:37,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:51:37,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-28 14:51:37,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:51:37,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 14:51:37,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:51:37,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:51:37,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 14:51:37,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 14:51:37,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 14:51:37,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:51:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-28 14:51:37,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316624251] [2020-10-28 14:51:37,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 14:51:37,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 14:51:37,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492595137] [2020-10-28 14:51:37,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 14:51:37,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:51:37,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 14:51:37,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-28 14:51:37,708 INFO L87 Difference]: Start difference. First operand 63 states and 66 transitions. Second operand 10 states. [2020-10-28 14:51:38,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:51:38,184 INFO L93 Difference]: Finished difference Result 63 states and 66 transitions. [2020-10-28 14:51:38,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 14:51:38,185 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2020-10-28 14:51:38,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:51:38,186 INFO L225 Difference]: With dead ends: 63 [2020-10-28 14:51:38,186 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 14:51:38,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-10-28 14:51:38,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 14:51:38,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 14:51:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 14:51:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 14:51:38,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-10-28 14:51:38,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:51:38,191 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 14:51:38,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 14:51:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 14:51:38,191 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 14:51:38,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 14:51:38,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 14:51:39,031 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2020-10-28 14:51:39,311 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2020-10-28 14:51:39,547 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 34 [2020-10-28 14:51:39,838 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 44 [2020-10-28 14:51:40,058 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2020-10-28 14:51:40,341 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 51 [2020-10-28 14:51:40,424 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-28 14:51:40,425 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-28 14:51:40,425 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-28 14:51:40,425 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-28 14:51:40,425 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-28 14:51:40,425 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:51:40,426 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:51:40,426 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:51:40,426 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 571 573) the Hoare annotation is: true [2020-10-28 14:51:40,427 INFO L277 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: true [2020-10-28 14:51:40,427 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 571 573) no Hoare annotation was computed. [2020-10-28 14:51:40,427 INFO L274 CegarLoopResult]: For program point sll_circular_get_data_atEXIT(lines 606 612) no Hoare annotation was computed. [2020-10-28 14:51:40,428 INFO L270 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse2 (= sll_circular_get_data_at_~index |sll_circular_get_data_at_#in~index|))) (and (let ((.cse0 (<= (+ sll_circular_get_data_at_~index 1) |sll_circular_get_data_at_#in~index|))) (or (and (<= 2 |sll_circular_get_data_at_#in~index|) .cse0) (let ((.cse1 (= sll_circular_get_data_at_~head.offset 0))) (and (or (= (select (select |#memory_$Pointer$.offset| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.offset) .cse1) (or (not .cse1) (= (select (select |#memory_$Pointer$.base| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.base)) .cse0)) (and (= sll_circular_get_data_at_~head.offset |sll_circular_get_data_at_#in~head.offset|) .cse2 (= |sll_circular_get_data_at_#in~head.base| sll_circular_get_data_at_~head.base)))) (or .cse2 (<= 1 |sll_circular_get_data_at_#in~index|)))) [2020-10-28 14:51:40,428 INFO L274 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-10-28 14:51:40,428 INFO L277 CegarLoopResult]: At program point sll_circular_get_data_atENTRY(lines 606 612) the Hoare annotation is: true [2020-10-28 14:51:40,428 INFO L274 CegarLoopResult]: For program point sll_circular_get_data_atFINAL(lines 606 612) no Hoare annotation was computed. [2020-10-28 14:51:40,428 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:51:40,428 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:51:40,429 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-28 14:51:40,429 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:51:40,429 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:51:40,429 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-28 14:51:40,429 INFO L270 CegarLoopResult]: At program point sll_circular_createENTRY(lines 583 594) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:51:40,429 INFO L274 CegarLoopResult]: For program point sll_circular_createFINAL(lines 583 594) no Hoare annotation was computed. [2020-10-28 14:51:40,429 INFO L270 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (or (and (= sll_circular_create_~head~0.offset 0) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= sll_circular_create_~last~0.offset 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (not (= (select |#valid| sll_circular_create_~head~0.base) 0)) (not (= (select |#valid| sll_circular_create_~last~0.base) 0))) (and (<= 3 |sll_circular_create_#in~len|) (<= (+ sll_circular_create_~len 1) |sll_circular_create_#in~len|))) [2020-10-28 14:51:40,430 INFO L274 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-10-28 14:51:40,430 INFO L274 CegarLoopResult]: For program point sll_circular_createEXIT(lines 583 594) no Hoare annotation was computed. [2020-10-28 14:51:40,430 INFO L270 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= sll_circular_create_~data |sll_circular_create_#in~data|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= |old(#valid)| |#valid|)) [2020-10-28 14:51:40,430 INFO L270 CegarLoopResult]: At program point L586-2(lines 586 591) the Hoare annotation is: (let ((.cse0 (= sll_circular_create_~data |sll_circular_create_#in~data|)) (.cse1 (= sll_circular_create_~last~0.offset 0)) (.cse2 (<= (+ sll_circular_create_~len 1) |sll_circular_create_#in~len|))) (or (and (= sll_circular_create_~head~0.offset 0) .cse0 .cse1 (= |sll_circular_create_#in~len| sll_circular_create_~len) (not (= (select |#valid| sll_circular_create_~head~0.base) 0)) (not (= (select |#valid| sll_circular_create_~last~0.base) 0))) (and (= (select (select |#memory_int| sll_circular_create_~head~0.base) 4) |sll_circular_create_#in~data|) (not (= (select (select |#memory_$Pointer$.base| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset) sll_circular_create_~head~0.base)) .cse0 .cse2 .cse1 (not (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base)) (= (select (select |#memory_$Pointer$.offset| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset) 0) (= sll_circular_create_~head~0.offset sll_circular_create_~last~0.offset)) (and (<= 3 |sll_circular_create_#in~len|) .cse2))) [2020-10-28 14:51:40,430 INFO L274 CegarLoopResult]: For program point L584-1(line 584) no Hoare annotation was computed. [2020-10-28 14:51:40,430 INFO L274 CegarLoopResult]: For program point L586-3(lines 586 591) no Hoare annotation was computed. [2020-10-28 14:51:40,430 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:51:40,431 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-28 14:51:40,431 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 14:51:40,431 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:51:40,431 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 620 639) no Hoare annotation was computed. [2020-10-28 14:51:40,431 INFO L270 CegarLoopResult]: At program point L632(lines 620 639) the Hoare annotation is: false [2020-10-28 14:51:40,431 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 620 639) no Hoare annotation was computed. [2020-10-28 14:51:40,431 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 620 639) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:51:40,431 INFO L274 CegarLoopResult]: For program point L637(line 637) no Hoare annotation was computed. [2020-10-28 14:51:40,431 INFO L274 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-10-28 14:51:40,432 INFO L270 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (let ((.cse6 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) 4))) (let ((.cse1 (= (* main_~len~0 2) (+ .cse6 1))) (.cse2 (<= 2 main_~len~0)) (.cse3 (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (.cse4 (= main_~data~0 1)) (.cse5 (= main_~s~0.offset 0))) (or (let ((.cse0 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (and (<= .cse0 main_~expected~0) .cse1 .cse2 (<= main_~expected~0 .cse0) (<= (+ main_~i~0 main_~len~0) .cse0) (<= .cse0 main_~len~0) (<= main_~len~0 (+ main_~i~0 2)) .cse3 .cse4 .cse5)) (and .cse1 .cse2 (<= main_~len~0 (+ main_~i~0 1)) (= .cse6 main_~expected~0) .cse3 .cse4 .cse5 (<= main_~i~0 1))))) [2020-10-28 14:51:40,432 INFO L274 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-10-28 14:51:40,432 INFO L274 CegarLoopResult]: For program point L631-2(lines 631 633) no Hoare annotation was computed. [2020-10-28 14:51:40,432 INFO L270 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (let ((.cse0 (<= (+ main_~i~0 (* 2 main_~len~0)) (+ main_~new_data~0 2))) (.cse1 (<= 2 main_~len~0)) (.cse3 (= main_~data~0 1)) (.cse4 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) main_~s~0.base))) (.cse2 (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (.cse6 (= main_~s~0.offset 0)) (.cse5 (select |#memory_int| main_~s~0.base))) (or (and .cse0 .cse1 (<= 0 main_~i~0) .cse2 .cse3 (<= main_~new_data~0 main_~len~0) .cse4 (= (select .cse5 4) 1) .cse6) (let ((.cse7 (select .cse5 (+ main_~s~0.offset 4)))) (and .cse0 .cse1 (<= main_~len~0 (+ main_~i~0 1)) (<= main_~len~0 .cse7) (<= .cse7 main_~len~0) (<= main_~new_data~0 (+ main_~len~0 1)) .cse3 .cse4 .cse2 .cse6)))) [2020-10-28 14:51:40,432 INFO L274 CegarLoopResult]: For program point L629-2(lines 629 634) no Hoare annotation was computed. [2020-10-28 14:51:40,432 INFO L274 CegarLoopResult]: For program point L627-1(lines 625 628) no Hoare annotation was computed. [2020-10-28 14:51:40,433 INFO L270 CegarLoopResult]: At program point L629-3(lines 629 634) the Hoare annotation is: (let ((.cse2 (= (* main_~len~0 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) 4) 1))) (.cse0 (<= 2 main_~len~0)) (.cse1 (<= main_~len~0 2)) (.cse4 (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (.cse5 (= main_~data~0 1)) (.cse6 (= main_~s~0.offset 0))) (or (and .cse0 .cse1 (<= main_~len~0 main_~i~0)) (let ((.cse3 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (and .cse2 .cse0 (<= (+ main_~i~0 main_~len~0) .cse3) (<= .cse3 main_~len~0) (<= main_~len~0 (+ main_~i~0 2)) .cse4 .cse5 .cse6)) (and .cse2 .cse0 .cse1 (<= main_~len~0 (+ main_~i~0 1)) .cse4 .cse5 .cse6))) [2020-10-28 14:51:40,433 INFO L270 CegarLoopResult]: At program point L629-4(lines 629 634) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-28 14:51:40,433 INFO L270 CegarLoopResult]: At program point L623(line 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (= |old(#length)| |#length|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= main_~data~0 1) (= |old(#valid)| |#valid|)) [2020-10-28 14:51:40,433 INFO L270 CegarLoopResult]: At program point L625-2(lines 625 628) the Hoare annotation is: (let ((.cse9 (select |#memory_int| main_~s~0.base))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (.cse10 (select .cse9 (+ main_~s~0.offset 4)))) (let ((.cse2 (<= 2 main_~len~0)) (.cse1 (<= main_~len~0 2)) (.cse3 (<= main_~len~0 .cse10)) (.cse4 (<= .cse10 main_~len~0)) (.cse5 (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (.cse6 (= main_~data~0 1)) (.cse8 (not (= .cse0 main_~s~0.base))) (.cse7 (= main_~s~0.offset 0))) (or (and (= (* main_~len~0 2) (+ (select (select |#memory_int| .cse0) 4) 1)) .cse1 .cse2 .cse3 (<= main_~len~0 main_~i~0) .cse4 .cse5 .cse6 .cse7) (and .cse2 (= main_~i~0 0) (<= main_~len~0 (+ main_~i~0 2)) .cse5 .cse6 .cse8 (= (select .cse9 4) 1) .cse7) (and (<= (+ main_~i~0 1) main_~len~0) .cse1 (<= main_~len~0 main_~new_data~0) (<= 1 main_~i~0) .cse3 .cse4 .cse5 .cse6 (<= main_~new_data~0 main_~len~0) .cse8 .cse7))))) [2020-10-28 14:51:40,433 INFO L274 CegarLoopResult]: For program point L623-1(line 623) no Hoare annotation was computed. [2020-10-28 14:51:40,434 INFO L274 CegarLoopResult]: For program point L625-3(lines 625 628) no Hoare annotation was computed. [2020-10-28 14:51:40,434 INFO L270 CegarLoopResult]: At program point sll_circular_destroyENTRY(lines 595 605) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-28 14:51:40,434 INFO L274 CegarLoopResult]: For program point L596(lines 596 604) no Hoare annotation was computed. [2020-10-28 14:51:40,434 INFO L277 CegarLoopResult]: At program point L598-2(lines 598 602) the Hoare annotation is: true [2020-10-28 14:51:40,434 INFO L274 CegarLoopResult]: For program point L598-3(lines 598 602) no Hoare annotation was computed. [2020-10-28 14:51:40,434 INFO L274 CegarLoopResult]: For program point L596-2(lines 595 605) no Hoare annotation was computed. [2020-10-28 14:51:40,434 INFO L274 CegarLoopResult]: For program point sll_circular_destroyEXIT(lines 595 605) no Hoare annotation was computed. [2020-10-28 14:51:40,434 INFO L274 CegarLoopResult]: For program point sll_circular_update_atEXIT(lines 613 619) no Hoare annotation was computed. [2020-10-28 14:51:40,434 INFO L270 CegarLoopResult]: At program point sll_circular_update_atENTRY(lines 613 619) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-28 14:51:40,435 INFO L274 CegarLoopResult]: For program point sll_circular_update_atFINAL(lines 613 619) no Hoare annotation was computed. [2020-10-28 14:51:40,435 INFO L270 CegarLoopResult]: At program point L614-2(lines 614 617) the Hoare annotation is: (let ((.cse5 (= |sll_circular_update_at_#in~head.base| sll_circular_update_at_~head.base)) (.cse6 (= |sll_circular_update_at_#in~data| sll_circular_update_at_~data)) (.cse4 (= |sll_circular_update_at_#in~index| sll_circular_update_at_~index)) (.cse2 (<= 2 |sll_circular_update_at_#in~index|))) (and (let ((.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse3 (<= (+ sll_circular_update_at_~index 1) |sll_circular_update_at_#in~index|))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5 (= sll_circular_update_at_~head.offset |sll_circular_update_at_#in~head.offset|) .cse6) (and .cse0 (= (select (select |old(#memory_$Pointer$.base)| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|) sll_circular_update_at_~head.base) .cse1 .cse3 (<= 1 |sll_circular_update_at_#in~index|)))) (or (let ((.cse8 (select (select |#memory_$Pointer$.offset| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|)) (.cse7 (= sll_circular_update_at_~head.offset 0))) (and (or (not .cse7) (and (or .cse5 (= .cse8 0)) .cse6)) (or (= sll_circular_update_at_~head.offset .cse8) .cse7))) .cse4 .cse2) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) [2020-10-28 14:51:40,436 INFO L274 CegarLoopResult]: For program point L614-3(lines 614 617) no Hoare annotation was computed. [2020-10-28 14:51:40,436 INFO L277 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: true [2020-10-28 14:51:40,436 INFO L274 CegarLoopResult]: For program point L576(lines 576 578) no Hoare annotation was computed. [2020-10-28 14:51:40,436 INFO L274 CegarLoopResult]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2020-10-28 14:51:40,436 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 574 582) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:51:40,436 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 574 582) no Hoare annotation was computed. [2020-10-28 14:51:40,436 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 574 582) no Hoare annotation was computed. [2020-10-28 14:51:40,448 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,449 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,450 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,452 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,467 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,468 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,469 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,469 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,470 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,471 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,472 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,484 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,485 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,492 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,496 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,496 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,496 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,496 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,501 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,502 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,503 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,508 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,525 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,526 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,529 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,530 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,533 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,533 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,534 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 02:51:40 BoogieIcfgContainer [2020-10-28 14:51:40,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 14:51:40,542 INFO L168 Benchmark]: Toolchain (without parser) took 68527.03 ms. Allocated memory was 151.0 MB in the beginning and 669.0 MB in the end (delta: 518.0 MB). Free memory was 124.9 MB in the beginning and 555.4 MB in the end (delta: -430.6 MB). Peak memory consumption was 396.0 MB. Max. memory is 8.0 GB. [2020-10-28 14:51:40,544 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 127.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 14:51:40,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.12 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 100.8 MB in the end (delta: 23.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-10-28 14:51:40,548 INFO L168 Benchmark]: Boogie Preprocessor took 137.90 ms. Allocated memory is still 151.0 MB. Free memory was 100.8 MB in the beginning and 98.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-28 14:51:40,552 INFO L168 Benchmark]: RCFGBuilder took 1047.81 ms. Allocated memory is still 151.0 MB. Free memory was 97.9 MB in the beginning and 87.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.6 MB. Max. memory is 8.0 GB. [2020-10-28 14:51:40,554 INFO L168 Benchmark]: TraceAbstraction took 66644.77 ms. Allocated memory was 151.0 MB in the beginning and 669.0 MB in the end (delta: 518.0 MB). Free memory was 87.4 MB in the beginning and 555.4 MB in the end (delta: -468.1 MB). Peak memory consumption was 359.3 MB. Max. memory is 8.0 GB. [2020-10-28 14:51:40,557 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 127.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 682.12 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 100.8 MB in the end (delta: 23.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 137.90 ms. Allocated memory is still 151.0 MB. Free memory was 100.8 MB in the beginning and 98.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1047.81 ms. Allocated memory is still 151.0 MB. Free memory was 97.9 MB in the beginning and 87.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 66644.77 ms. Allocated memory was 151.0 MB in the beginning and 669.0 MB in the end (delta: 518.0 MB). Free memory was 87.4 MB in the beginning and 555.4 MB in the end (delta: -468.1 MB). Peak memory consumption was 359.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 625]: Loop Invariant [2020-10-28 14:51:40,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][4] + 1 && len <= 2) && 2 <= len) && len <= unknown-#memory_int-unknown[s][s + 4]) && len <= i) && unknown-#memory_int-unknown[s][s + 4] <= len) && 0 == #memory_$Pointer$[s][s]) && data == 1) && s == 0) || (((((((2 <= len && i == 0) && len <= i + 2) && 0 == #memory_$Pointer$[s][s]) && data == 1) && !(#memory_$Pointer$[s][s] == s)) && unknown-#memory_int-unknown[s][4] == 1) && s == 0)) || ((((((((((i + 1 <= len && len <= 2) && len <= new_data) && 1 <= i) && len <= unknown-#memory_int-unknown[s][s + 4]) && unknown-#memory_int-unknown[s][s + 4] <= len) && 0 == #memory_$Pointer$[s][s]) && data == 1) && new_data <= len) && !(#memory_$Pointer$[s][s] == s)) && s == 0) - InvariantResult [Line: 586]: Loop Invariant [2020-10-28 14:51:40,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,595 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,596 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((head == 0 && data == \old(data)) && last == 0) && \old(len) == len) && !(\valid[head] == 0)) && !(\valid[last] == 0)) || (((((((unknown-#memory_int-unknown[head][4] == \old(data) && !(#memory_$Pointer$[head][head] == head)) && data == \old(data)) && len + 1 <= \old(len)) && last == 0) && !(head == last)) && #memory_$Pointer$[head][head] == 0) && head == last)) || (3 <= \old(len) && len + 1 <= \old(len)) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant [2020-10-28 14:51:40,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,599 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,600 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,604 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && 2 <= \old(index)) && index + 1 <= \old(index)) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(index) == index) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && head == head) && head == head) && \old(data) == data)) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(#memory_$Pointer$)[head][head] == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index + 1 <= \old(index)) && 1 <= \old(index))) && ((((!(head == 0) || ((head == head || #memory_$Pointer$[head][head] == 0) && \old(data) == data)) && (head == #memory_$Pointer$[head][head] || head == 0)) || \old(index) == index) || 2 <= \old(index))) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 629]: Loop Invariant [2020-10-28 14:51:40,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,619 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,619 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,619 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-28 14:51:40,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((2 <= len && len <= 2) && len <= i) || (((((((len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][4] + 1 && 2 <= len) && i + len <= unknown-#memory_int-unknown[s][s + 4]) && unknown-#memory_int-unknown[s][s + 4] <= len) && len <= i + 2) && 0 == #memory_$Pointer$[s][s]) && data == 1) && s == 0)) || ((((((len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][4] + 1 && 2 <= len) && len <= 2) && len <= i + 1) && 0 == #memory_$Pointer$[s][s]) && data == 1) && s == 0) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant [2020-10-28 14:51:40,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-28 14:51:40,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-28 14:51:40,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-28 14:51:40,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((2 <= \old(index) && index + 1 <= \old(index)) || (((#memory_$Pointer$[head][head] == head || head == 0) && (!(head == 0) || #memory_$Pointer$[head][head] == head)) && index + 1 <= \old(index))) || ((head == head && index == \old(index)) && head == head)) && (index == \old(index) || 1 <= \old(index)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 64.2s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 485 SDtfs, 716 SDslu, 1906 SDs, 0 SdLazy, 4391 SolverSat, 497 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 387 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 37 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 81 PreInvPairs, 128 NumberOfFragments, 912 HoareAnnotationTreeSize, 81 FomulaSimplifications, 1961 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 1556 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 50.4s InterpolantComputationTime, 710 NumberOfCodeBlocks, 710 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 698 ConstructedInterpolants, 0 QuantifiedInterpolants, 256502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 185/248 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...