/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:08:15,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:08:15,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:08:16,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:08:16,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:08:16,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:08:16,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:08:16,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:08:16,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:08:16,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:08:16,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:08:16,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:08:16,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:08:16,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:08:16,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:08:16,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:08:16,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:08:16,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:08:16,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:08:16,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:08:16,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:08:16,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:08:16,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:08:16,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:08:16,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:08:16,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:08:16,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:08:16,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:08:16,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:08:16,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:08:16,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:08:16,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:08:16,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:08:16,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:08:16,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:08:16,062 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:08:16,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:08:16,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:08:16,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:08:16,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:08:16,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:08:16,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:08:16,126 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:08:16,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:08:16,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:08:16,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:08:16,133 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:08:16,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:08:16,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:08:16,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:08:16,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:08:16,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:08:16,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:08:16,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:08:16,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:08:16,137 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:08:16,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:08:16,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:08:16,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:08:16,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:08:16,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:08:16,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:08:16,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:08:16,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:08:16,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:08:16,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:08:16,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:08:16,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:08:16,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:08:16,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:08:16,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:08:16,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:08:16,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:08:16,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:08:16,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:08:16,644 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:08:16,645 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:08:16,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2020-10-27 20:08:16,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f26cb0bac/5fdd125cbfb3428fbc3da89f336c5b03/FLAG126b3c855 [2020-10-27 20:08:17,632 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:08:17,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_remove_all.i [2020-10-27 20:08:17,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f26cb0bac/5fdd125cbfb3428fbc3da89f336c5b03/FLAG126b3c855 [2020-10-27 20:08:17,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f26cb0bac/5fdd125cbfb3428fbc3da89f336c5b03 [2020-10-27 20:08:17,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:08:17,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:08:17,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:08:17,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:08:17,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:08:17,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:08:17" (1/1) ... [2020-10-27 20:08:17,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@776838fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:17, skipping insertion in model container [2020-10-27 20:08:17,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:08:17" (1/1) ... [2020-10-27 20:08:17,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:08:17,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:08:18,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:08:18,322 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:08:18,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:08:18,492 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:08:18,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:18 WrapperNode [2020-10-27 20:08:18,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:08:18,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:08:18,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:08:18,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:08:18,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:18" (1/1) ... [2020-10-27 20:08:18,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:18" (1/1) ... [2020-10-27 20:08:18,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:18" (1/1) ... [2020-10-27 20:08:18,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:18" (1/1) ... [2020-10-27 20:08:18,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:18" (1/1) ... [2020-10-27 20:08:18,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:18" (1/1) ... [2020-10-27 20:08:18,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:18" (1/1) ... [2020-10-27 20:08:18,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:08:18,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:08:18,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:08:18,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:08:18,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:08:18,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:08:18,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:08:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:08:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 20:08:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 20:08:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-27 20:08:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-27 20:08:18,733 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-10-27 20:08:18,733 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_first [2020-10-27 20:08:18,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:08:18,733 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:08:18,733 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:08:18,733 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 20:08:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 20:08:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:08:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:08:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 20:08:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 20:08:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 20:08:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 20:08:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 20:08:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 20:08:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 20:08:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 20:08:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 20:08:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 20:08:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 20:08:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 20:08:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 20:08:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 20:08:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 20:08:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 20:08:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 20:08:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 20:08:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 20:08:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 20:08:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 20:08:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 20:08:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 20:08:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 20:08:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 20:08:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 20:08:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 20:08:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 20:08:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 20:08:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 20:08:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 20:08:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 20:08:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 20:08:18,765 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 20:08:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 20:08:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 20:08:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 20:08:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 20:08:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 20:08:18,766 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 20:08:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 20:08:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 20:08:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 20:08:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 20:08:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 20:08:18,767 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 20:08:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 20:08:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 20:08:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 20:08:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 20:08:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 20:08:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 20:08:18,768 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 20:08:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 20:08:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 20:08:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 20:08:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 20:08:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 20:08:18,769 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 20:08:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 20:08:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-27 20:08:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 20:08:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-27 20:08:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 20:08:18,770 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 20:08:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-27 20:08:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 20:08:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 20:08:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 20:08:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 20:08:18,771 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 20:08:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 20:08:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 20:08:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 20:08:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 20:08:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 20:08:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 20:08:18,772 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 20:08:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 20:08:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 20:08:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 20:08:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 20:08:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 20:08:18,773 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 20:08:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 20:08:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 20:08:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 20:08:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 20:08:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 20:08:18,774 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 20:08:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 20:08:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 20:08:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 20:08:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 20:08:18,775 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 20:08:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 20:08:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 20:08:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 20:08:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 20:08:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 20:08:18,776 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 20:08:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 20:08:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 20:08:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 20:08:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-27 20:08:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-27 20:08:18,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 20:08:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 20:08:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:08:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-10-27 20:08:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_first [2020-10-27 20:08:18,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 20:08:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:08:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:08:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 20:08:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:08:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:08:18,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:08:18,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:08:19,417 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-27 20:08:19,590 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:08:19,590 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 20:08:19,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:08:19 BoogieIcfgContainer [2020-10-27 20:08:19,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:08:19,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:08:19,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:08:19,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:08:19,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:08:17" (1/3) ... [2020-10-27 20:08:19,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@caaaaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:08:19, skipping insertion in model container [2020-10-27 20:08:19,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:08:18" (2/3) ... [2020-10-27 20:08:19,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@caaaaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:08:19, skipping insertion in model container [2020-10-27 20:08:19,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:08:19" (3/3) ... [2020-10-27 20:08:19,603 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_remove_all.i [2020-10-27 20:08:19,617 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:08:19,624 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:08:19,640 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:08:19,670 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:08:19,671 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:08:19,671 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:08:19,671 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:08:19,671 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:08:19,671 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:08:19,671 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:08:19,672 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:08:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-10-27 20:08:19,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-27 20:08:19,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:19,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:08:19,702 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:19,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:19,710 INFO L82 PathProgramCache]: Analyzing trace with hash -722104671, now seen corresponding path program 1 times [2020-10-27 20:08:19,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:19,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1962645743] [2020-10-27 20:08:19,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:19,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:20,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:20,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:21,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:21,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 20:08:21,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:08:21,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1288 [2020-10-27 20:08:21,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:21,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:08:21,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:08:21,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:08:21,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:08:21,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:21,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:21,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:21,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:21,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:21,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 20:08:21,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:21,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:21,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:21,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:21,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:08:21,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:21,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:21,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:21,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:21,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:21,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 20:08:21,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:08:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:21,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 20:08:21,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:08:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:08:21,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1962645743] [2020-10-27 20:08:21,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:08:21,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:08:21,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592094324] [2020-10-27 20:08:21,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:08:21,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:21,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:08:21,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:08:21,670 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 9 states. [2020-10-27 20:08:22,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:22,222 INFO L93 Difference]: Finished difference Result 74 states and 91 transitions. [2020-10-27 20:08:22,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 20:08:22,224 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2020-10-27 20:08:22,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:22,234 INFO L225 Difference]: With dead ends: 74 [2020-10-27 20:08:22,235 INFO L226 Difference]: Without dead ends: 42 [2020-10-27 20:08:22,238 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:08:22,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-27 20:08:22,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-10-27 20:08:22,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 20:08:22,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2020-10-27 20:08:22,289 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 19 [2020-10-27 20:08:22,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:22,290 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2020-10-27 20:08:22,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:08:22,290 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-10-27 20:08:22,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-27 20:08:22,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:22,292 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] [2020-10-27 20:08:22,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:08:22,292 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:22,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:22,293 INFO L82 PathProgramCache]: Analyzing trace with hash -613617884, now seen corresponding path program 1 times [2020-10-27 20:08:22,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:22,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [244777826] [2020-10-27 20:08:22,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:22,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:22,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:22,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:22,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:22,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-27 20:08:22,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:08:22,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 399 [2020-10-27 20:08:22,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:08:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:08:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 20:08:22,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:22,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:22,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:22,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:22,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:22,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:22,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:08:22,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:22,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:22,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:22,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:22,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:22,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:22,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:22,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:22,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:22,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:08:22,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:08:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:08:22,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:22,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 20:08:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:22,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:22,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:22,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:22,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:22,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:22,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:08:22,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:22,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:08:22,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [244777826] [2020-10-27 20:08:22,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:08:22,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 20:08:22,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131197830] [2020-10-27 20:08:22,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 20:08:22,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:22,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 20:08:22,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:08:22,898 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 9 states. [2020-10-27 20:08:23,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:23,272 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions. [2020-10-27 20:08:23,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 20:08:23,273 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 25 [2020-10-27 20:08:23,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:23,274 INFO L225 Difference]: With dead ends: 54 [2020-10-27 20:08:23,274 INFO L226 Difference]: Without dead ends: 37 [2020-10-27 20:08:23,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:08:23,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-27 20:08:23,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2020-10-27 20:08:23,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-27 20:08:23,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2020-10-27 20:08:23,285 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 25 [2020-10-27 20:08:23,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:23,286 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2020-10-27 20:08:23,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 20:08:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2020-10-27 20:08:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 20:08:23,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:23,287 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] [2020-10-27 20:08:23,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 20:08:23,288 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:23,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:23,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1332581455, now seen corresponding path program 1 times [2020-10-27 20:08:23,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:23,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889229313] [2020-10-27 20:08:23,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:23,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:23,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:23,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:23,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:23,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 20:08:23,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:08:23,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 439 [2020-10-27 20:08:23,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:08:23,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:08:23,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 20:08:23,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:23,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:23,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:23,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:23,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:23,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:23,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:23,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:23,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:23,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:23,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:23,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:23,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:08:23,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:23,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 20:08:23,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:23,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 20:08:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:23,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 20:08:23,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:23,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:08:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:23,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:23,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:23,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:23,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:23,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 20:08:23,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:23,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:23,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:08:24,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889229313] [2020-10-27 20:08:24,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:08:24,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 20:08:24,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44100476] [2020-10-27 20:08:24,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 20:08:24,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:24,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 20:08:24,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 20:08:24,004 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 8 states. [2020-10-27 20:08:24,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:24,370 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2020-10-27 20:08:24,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 20:08:24,371 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-27 20:08:24,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:24,372 INFO L225 Difference]: With dead ends: 42 [2020-10-27 20:08:24,372 INFO L226 Difference]: Without dead ends: 36 [2020-10-27 20:08:24,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:08:24,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-27 20:08:24,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2020-10-27 20:08:24,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-27 20:08:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2020-10-27 20:08:24,382 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 28 [2020-10-27 20:08:24,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:24,382 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2020-10-27 20:08:24,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 20:08:24,382 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-10-27 20:08:24,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 20:08:24,384 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:24,384 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] [2020-10-27 20:08:24,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 20:08:24,384 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:24,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:24,385 INFO L82 PathProgramCache]: Analyzing trace with hash 260667986, now seen corresponding path program 1 times [2020-10-27 20:08:24,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:24,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327210048] [2020-10-27 20:08:24,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:24,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:24,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:24,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:26,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:26,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 20:08:26,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 20:08:26,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2270 [2020-10-27 20:08:26,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:26,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 20:08:26,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:08:26,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 20:08:26,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:26,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:26,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:26,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:26,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:26,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:26,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:26,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:26,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:26,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:26,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:26,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:08:26,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:26,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 20:08:26,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:08:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:26,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 20:08:26,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:27,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:08:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:27,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:27,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:27,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:27,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 20:08:27,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:27,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:27,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:27,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:08:27,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:08:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:27,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:27,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:27,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:27,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:27,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 20:08:27,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:08:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:08:27,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:08:27,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:08:27,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327210048] [2020-10-27 20:08:27,172 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:08:27,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:08:27,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461168222] [2020-10-27 20:08:27,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:08:27,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:27,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:08:27,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:08:27,174 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 13 states. [2020-10-27 20:08:27,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:27,696 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2020-10-27 20:08:27,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 20:08:27,697 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2020-10-27 20:08:27,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:27,699 INFO L225 Difference]: With dead ends: 55 [2020-10-27 20:08:27,699 INFO L226 Difference]: Without dead ends: 49 [2020-10-27 20:08:27,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2020-10-27 20:08:27,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-27 20:08:27,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2020-10-27 20:08:27,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-27 20:08:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2020-10-27 20:08:27,711 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 34 [2020-10-27 20:08:27,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:27,712 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2020-10-27 20:08:27,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:08:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2020-10-27 20:08:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-10-27 20:08:27,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:27,715 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 20:08:27,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 20:08:27,715 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:27,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:27,716 INFO L82 PathProgramCache]: Analyzing trace with hash -2024566251, now seen corresponding path program 2 times [2020-10-27 20:08:27,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:27,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016609963] [2020-10-27 20:08:27,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:27,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:27,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:28,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:28,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-27 20:08:28,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:08:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-10-27 20:08:28,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:08:28,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:08:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 20:08:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:28,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:28,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:28,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:28,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:28,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:28,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 20:08:28,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:28,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:28,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:28,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:28,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:28,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:28,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 20:08:28,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:28,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 20:08:28,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:08:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:28,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 20:08:28,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:28,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:08:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:28,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:28,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:28,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:28,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:28,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 20:08:28,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:28,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:28,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:28,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:28,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 20:08:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:28,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:28,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:28,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:28,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:28,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:08:28,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:08:28,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:28,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 20:08:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:28,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:28,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:28,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:28,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:28,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:28,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:08:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:28,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 20:08:28,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016609963] [2020-10-27 20:08:28,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:08:28,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 20:08:28,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504989307] [2020-10-27 20:08:28,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:08:28,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:28,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:08:28,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:08:28,407 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 11 states. [2020-10-27 20:08:28,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:28,776 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2020-10-27 20:08:28,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 20:08:28,777 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 40 [2020-10-27 20:08:28,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:28,778 INFO L225 Difference]: With dead ends: 62 [2020-10-27 20:08:28,778 INFO L226 Difference]: Without dead ends: 42 [2020-10-27 20:08:28,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-10-27 20:08:28,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-27 20:08:28,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-10-27 20:08:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 20:08:28,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2020-10-27 20:08:28,788 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 40 [2020-10-27 20:08:28,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:28,789 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2020-10-27 20:08:28,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:08:28,789 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2020-10-27 20:08:28,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 20:08:28,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:28,790 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 20:08:28,791 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 20:08:28,791 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:28,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:28,792 INFO L82 PathProgramCache]: Analyzing trace with hash -2138332444, now seen corresponding path program 3 times [2020-10-27 20:08:28,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:28,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579423287] [2020-10-27 20:08:28,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:28,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:28,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:29,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:29,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 20:08:29,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:08:29,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-27 20:08:29,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:29,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:08:29,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:08:29,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 20:08:29,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:29,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:29,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:29,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:29,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:29,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:29,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:08:29,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:29,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:29,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:29,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:29,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:29,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:29,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:29,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:29,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 20:08:29,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:29,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-27 20:08:29,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:08:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 20:08:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:08:29,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:08:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:29,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:29,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:29,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:29,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:29,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:08:29,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:29,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:29,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:29,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:08:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:29,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:29,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:29,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:29,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:29,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 20:08:29,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:29,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:29,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:29,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:08:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:29,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:29,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:29,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:29,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:29,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:08:29,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:29,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:29,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:29,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:08:29,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 20:08:29,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579423287] [2020-10-27 20:08:29,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:08:29,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 20:08:29,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577697340] [2020-10-27 20:08:29,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 20:08:29,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:29,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 20:08:29,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-27 20:08:29,680 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 11 states. [2020-10-27 20:08:30,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:30,222 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2020-10-27 20:08:30,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 20:08:30,223 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2020-10-27 20:08:30,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:30,224 INFO L225 Difference]: With dead ends: 51 [2020-10-27 20:08:30,224 INFO L226 Difference]: Without dead ends: 45 [2020-10-27 20:08:30,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2020-10-27 20:08:30,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-27 20:08:30,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2020-10-27 20:08:30,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-27 20:08:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2020-10-27 20:08:30,248 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 43 [2020-10-27 20:08:30,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:30,251 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2020-10-27 20:08:30,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 20:08:30,252 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2020-10-27 20:08:30,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-27 20:08:30,253 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:30,253 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 20:08:30,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 20:08:30,254 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:30,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:30,258 INFO L82 PathProgramCache]: Analyzing trace with hash -748321497, now seen corresponding path program 4 times [2020-10-27 20:08:30,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:30,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47807923] [2020-10-27 20:08:30,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:30,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:31,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:31,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-10-27 20:08:31,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:31,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1169 [2020-10-27 20:08:31,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 20:08:31,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-27 20:08:31,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 20:08:31,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:31,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:31,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:31,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:31,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:31,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:31,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:31,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:31,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:31,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:31,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:31,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:31,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:32,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:32,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 20:08:32,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:32,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 301 [2020-10-27 20:08:32,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:32,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 20:08:32,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:32,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 20:08:32,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:08:32,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:08:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:32,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:32,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:32,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:32,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:32,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 20:08:32,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:32,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 20:08:32,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:32,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:32,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:08:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:32,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:32,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:32,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:32,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:32,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 20:08:32,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 20:08:32,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:08:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 20:08:32,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:32,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:08:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:32,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:32,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:32,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:32,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:32,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 20:08:32,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:32,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:08:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:08:32,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:08:32,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:33,110 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 52 [2020-10-27 20:08:33,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:08:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:33,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:33,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:33,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:33,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:33,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 20:08:33,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:08:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 20:08:33,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:08:33,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:33,234 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 20:08:33,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47807923] [2020-10-27 20:08:33,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:08:33,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-27 20:08:33,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140358714] [2020-10-27 20:08:33,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-27 20:08:33,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:33,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-27 20:08:33,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=418, Unknown=0, NotChecked=0, Total=462 [2020-10-27 20:08:33,238 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand 22 states. [2020-10-27 20:08:34,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:34,525 INFO L93 Difference]: Finished difference Result 65 states and 74 transitions. [2020-10-27 20:08:34,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 20:08:34,526 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 49 [2020-10-27 20:08:34,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:34,528 INFO L225 Difference]: With dead ends: 65 [2020-10-27 20:08:34,528 INFO L226 Difference]: Without dead ends: 59 [2020-10-27 20:08:34,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2020-10-27 20:08:34,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-27 20:08:34,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2020-10-27 20:08:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-27 20:08:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2020-10-27 20:08:34,553 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 49 [2020-10-27 20:08:34,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:34,556 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2020-10-27 20:08:34,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-27 20:08:34,556 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2020-10-27 20:08:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-27 20:08:34,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:34,558 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2020-10-27 20:08:34,559 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 20:08:34,559 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:34,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:34,560 INFO L82 PathProgramCache]: Analyzing trace with hash -133207766, now seen corresponding path program 5 times [2020-10-27 20:08:34,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:34,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1025481604] [2020-10-27 20:08:34,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:34,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:34,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:35,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 20:08:35,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:08:35,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 651 [2020-10-27 20:08:35,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 20:08:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:08:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-27 20:08:35,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:08:35,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:35,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:35,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:35,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:35,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:35,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:35,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:35,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:35,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:35,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:35,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:35,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:35,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 20:08:35,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:35,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-27 20:08:35,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:08:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:35,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 20:08:35,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:35,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:08:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:35,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:35,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:35,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 20:08:35,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:35,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:35,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:08:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:35,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:35,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:35,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:35,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:08:35,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:35,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:35,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:35,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 20:08:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:35,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:35,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:35,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:35,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:08:35,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:35,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:35,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:35,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:08:35,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:35,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 20:08:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:35,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:35,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:35,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:35,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:08:35,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:35,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:35,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:35,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:08:35,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:35,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 20:08:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:35,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:35,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:35,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:35,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:35,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:35,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:35,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:35,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 20:08:35,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:35,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 20:08:35,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1025481604] [2020-10-27 20:08:35,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:08:35,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:08:35,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775216910] [2020-10-27 20:08:35,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:08:35,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:35,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:08:35,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:08:35,659 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand 13 states. [2020-10-27 20:08:36,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:36,098 INFO L93 Difference]: Finished difference Result 69 states and 76 transitions. [2020-10-27 20:08:36,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 20:08:36,100 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 55 [2020-10-27 20:08:36,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:36,101 INFO L225 Difference]: With dead ends: 69 [2020-10-27 20:08:36,101 INFO L226 Difference]: Without dead ends: 46 [2020-10-27 20:08:36,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2020-10-27 20:08:36,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-10-27 20:08:36,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-10-27 20:08:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-27 20:08:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2020-10-27 20:08:36,117 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 55 [2020-10-27 20:08:36,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:36,117 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2020-10-27 20:08:36,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:08:36,118 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2020-10-27 20:08:36,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 20:08:36,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:08:36,125 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 20:08:36,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 20:08:36,126 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:08:36,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:08:36,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1845421653, now seen corresponding path program 6 times [2020-10-27 20:08:36,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:08:36,127 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023511937] [2020-10-27 20:08:36,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:08:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:36,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:36,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:37,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:37,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 20:08:37,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:08:37,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 849 [2020-10-27 20:08:37,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 20:08:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-27 20:08:37,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-27 20:08:37,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:37,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:08:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:37,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:37,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:37,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:37,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:37,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 20:08:37,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:08:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:37,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:08:37,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:37,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 20:08:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:37,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:37,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:37,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 20:08:37,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:37,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-27 20:08:37,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 20:08:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:37,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 20:08:37,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:37,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 20:08:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:37,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:37,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:37,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:37,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:37,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 20:08:37,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:37,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:37,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:37,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:37,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 20:08:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:37,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:37,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:37,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:37,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:37,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 20:08:37,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:37,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:37,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:37,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:37,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:37,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 20:08:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:37,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:37,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:37,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 20:08:37,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:37,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 20:08:37,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 20:08:37,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:37,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 20:08:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:37,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:37,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:37,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:37,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:37,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 20:08:37,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:37,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:37,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:37,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:08:37,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:37,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 20:08:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:08:37,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:08:37,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:08:37,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:08:37,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:08:37,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 20:08:37,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:08:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:08:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:08:37,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 20:08:37,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:08:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 20:08:37,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023511937] [2020-10-27 20:08:37,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 20:08:37,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 20:08:37,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293017213] [2020-10-27 20:08:37,532 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 20:08:37,532 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:08:37,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 20:08:37,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-27 20:08:37,533 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand 13 states. [2020-10-27 20:08:37,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:08:37,957 INFO L93 Difference]: Finished difference Result 46 states and 49 transitions. [2020-10-27 20:08:37,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 20:08:37,957 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 58 [2020-10-27 20:08:37,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:08:37,958 INFO L225 Difference]: With dead ends: 46 [2020-10-27 20:08:37,958 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 20:08:37,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2020-10-27 20:08:37,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 20:08:37,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 20:08:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 20:08:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 20:08:37,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-27 20:08:37,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:08:37,960 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 20:08:37,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 20:08:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 20:08:37,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 20:08:37,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 20:08:37,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 20:08:38,507 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-27 20:08:38,700 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 57 [2020-10-27 20:08:39,218 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2020-10-27 20:08:39,455 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 43 [2020-10-27 20:08:39,463 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-27 20:08:39,464 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-27 20:08:39,464 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-27 20:08:39,464 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-27 20:08:39,464 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-27 20:08:39,464 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:08:39,465 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|)) [2020-10-27 20:08:39,465 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:08:39,465 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 571 573) the Hoare annotation is: true [2020-10-27 20:08:39,465 INFO L277 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: true [2020-10-27 20:08:39,465 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 571 573) no Hoare annotation was computed. [2020-10-27 20:08:39,465 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:08:39,465 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:08:39,466 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-27 20:08:39,466 INFO L274 CegarLoopResult]: For program point sll_createEXIT(lines 583 591) no Hoare annotation was computed. [2020-10-27 20:08:39,466 INFO L270 CegarLoopResult]: At program point sll_createENTRY(lines 583 591) the Hoare annotation is: (or (not (<= |sll_create_#in~len| 2)) (not (<= 2 |sll_create_#in~len|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-27 20:08:39,466 INFO L270 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (let ((.cse0 (= sll_create_~head~0.offset 0))) (or (and (= |sll_create_#in~len| (+ sll_create_~len 1)) (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4) 0) (= (select |#valid| sll_create_~head~0.base) 1) .cse0 (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= sll_create_~head~0.base 0) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) .cse0 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= |sll_create_#in~len| 2)) (not (<= 2 |sll_create_#in~len|)))) [2020-10-27 20:08:39,466 INFO L274 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-10-27 20:08:39,466 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 589) no Hoare annotation was computed. [2020-10-27 20:08:39,467 INFO L270 CegarLoopResult]: At program point L585-3(lines 585 589) the Hoare annotation is: (let ((.cse5 (select |#memory_$Pointer$.base| sll_create_~head~0.base)) (.cse3 (= sll_create_~head~0.offset 0)) (.cse4 (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0))) (or (let ((.cse0 (select .cse5 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4)) (.cse2 (+ sll_create_~len 2))) (and (= (select (select |#memory_$Pointer$.offset| .cse0) 4) 0) (not (= sll_create_~head~0.base .cse1)) (= .cse1 0) (<= .cse2 |sll_create_#in~len|) .cse3 (<= |sll_create_#in~len| .cse2) .cse4))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= sll_create_~head~0.base 0) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) .cse3 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and (= |sll_create_#in~len| (+ sll_create_~len 1)) (= (select .cse5 (+ sll_create_~head~0.offset 4)) 0) (= (select |#valid| sll_create_~head~0.base) 1) .cse3 .cse4) (not (<= |sll_create_#in~len| 2)) (not (<= 2 |sll_create_#in~len|)))) [2020-10-27 20:08:39,467 INFO L274 CegarLoopResult]: For program point L585-4(lines 585 589) no Hoare annotation was computed. [2020-10-27 20:08:39,467 INFO L274 CegarLoopResult]: For program point sll_createFINAL(lines 583 591) no Hoare annotation was computed. [2020-10-27 20:08:39,467 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:08:39,467 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:08:39,467 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-27 20:08:39,468 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:08:39,468 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 20:08:39,468 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 20:08:39,468 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:08:39,468 INFO L274 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-10-27 20:08:39,468 INFO L270 CegarLoopResult]: At program point L606(lines 597 611) the Hoare annotation is: false [2020-10-27 20:08:39,468 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 597 611) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:08:39,468 INFO L274 CegarLoopResult]: For program point L605(lines 605 607) no Hoare annotation was computed. [2020-10-27 20:08:39,469 INFO L270 CegarLoopResult]: At program point L603(line 603) the Hoare annotation is: (let ((.cse12 (select |#memory_$Pointer$.base| |main_~#s~0.base|))) (let ((.cse13 (select .cse12 |main_~#s~0.offset|))) (let ((.cse2 (select |#memory_$Pointer$.offset| .cse13)) (.cse4 (select |#memory_$Pointer$.base| .cse13)) (.cse5 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse0 (<= main_~i~0 0)) (.cse8 (<= 2 main_~len~0)) (.cse7 (<= main_~len~0 2)) (.cse1 (<= 0 main_~i~0)) (.cse10 (= .cse5 0)) (.cse6 (select .cse4 4)) (.cse11 (= (select .cse2 4) 0))) (or (let ((.cse3 (+ .cse5 4))) (and .cse0 .cse1 (= (select .cse2 .cse3) 0) (= (select .cse4 .cse3) 0) (<= main_~len~0 1) (<= 1 main_~len~0))) (let ((.cse9 (select |#memory_$Pointer$.base| .cse6))) (and (= (select (select |#memory_$Pointer$.offset| .cse6) 4) 0) .cse7 .cse8 (<= 1 main_~i~0) (= (select .cse9 4) 0) .cse10 (<= main_~i~0 1) .cse11 (or (not (= |main_~#s~0.offset| 4)) (not (= .cse12 .cse9))))) (and .cse0 .cse8 .cse7 .cse1 .cse10 (= .cse6 0) .cse11)))))) [2020-10-27 20:08:39,469 INFO L274 CegarLoopResult]: For program point L603-1(lines 602 604) no Hoare annotation was computed. [2020-10-27 20:08:39,469 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 597 611) no Hoare annotation was computed. [2020-10-27 20:08:39,469 INFO L270 CegarLoopResult]: At program point L600(line 600) the Hoare annotation is: (and (<= main_~len~0 2) (<= 2 main_~len~0)) [2020-10-27 20:08:39,470 INFO L270 CegarLoopResult]: At program point L602-2(lines 602 604) the Hoare annotation is: (let ((.cse13 (select |#memory_$Pointer$.base| |main_~#s~0.base|))) (let ((.cse6 (select .cse13 |main_~#s~0.offset|))) (let ((.cse2 (select |#memory_$Pointer$.offset| .cse6)) (.cse4 (select |#memory_$Pointer$.base| .cse6)) (.cse5 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse0 (<= main_~i~0 0)) (.cse7 (<= main_~len~0 2)) (.cse10 (<= 2 main_~len~0)) (.cse1 (<= 0 main_~i~0)) (.cse8 (= .cse5 0)) (.cse9 (select .cse4 4)) (.cse12 (= (select .cse2 4) 0))) (or (let ((.cse3 (+ .cse5 4))) (and .cse0 .cse1 (= (select .cse2 .cse3) 0) (= (select .cse4 .cse3) 0) (<= main_~len~0 1) (<= 1 main_~len~0))) (and (= .cse6 0) .cse7 (<= (+ main_~i~0 1) 0) .cse8) (let ((.cse11 (select |#memory_$Pointer$.base| .cse9))) (and (= (select (select |#memory_$Pointer$.offset| .cse9) 4) 0) .cse7 .cse10 (<= 1 main_~i~0) (= (select .cse11 4) 0) .cse8 (<= main_~i~0 1) .cse12 (or (not (= |main_~#s~0.offset| 4)) (not (= .cse13 .cse11))))) (and .cse0 .cse7 .cse10 .cse1 .cse8 (= .cse9 0) .cse12)))))) [2020-10-27 20:08:39,470 INFO L274 CegarLoopResult]: For program point L600-1(line 600) no Hoare annotation was computed. [2020-10-27 20:08:39,470 INFO L274 CegarLoopResult]: For program point L602-3(lines 602 604) no Hoare annotation was computed. [2020-10-27 20:08:39,470 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 597 611) no Hoare annotation was computed. [2020-10-27 20:08:39,471 INFO L274 CegarLoopResult]: For program point sll_remove_firstEXIT(lines 592 596) no Hoare annotation was computed. [2020-10-27 20:08:39,471 INFO L270 CegarLoopResult]: At program point sll_remove_firstENTRY(lines 592 596) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:08:39,471 INFO L274 CegarLoopResult]: For program point sll_remove_firstFINAL(lines 592 596) no Hoare annotation was computed. [2020-10-27 20:08:39,471 INFO L277 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: true [2020-10-27 20:08:39,471 INFO L274 CegarLoopResult]: For program point L576(lines 576 578) no Hoare annotation was computed. [2020-10-27 20:08:39,471 INFO L274 CegarLoopResult]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2020-10-27 20:08:39,471 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 574 582) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 20:08:39,472 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 574 582) no Hoare annotation was computed. [2020-10-27 20:08:39,472 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 574 582) no Hoare annotation was computed. [2020-10-27 20:08:39,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,491 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,491 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,491 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,491 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,492 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,492 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,492 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,492 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,498 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,500 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,508 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,509 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,509 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,510 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,511 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,512 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,513 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,514 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,516 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,520 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,521 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:08:39,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:08:39,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:08:39,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:08:39,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,523 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,525 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,526 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,527 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,528 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,528 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,529 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,530 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:08:39,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:08:39,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:08:39,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:08:39,531 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,532 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:08:39 BoogieIcfgContainer [2020-10-27 20:08:39,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 20:08:39,537 INFO L168 Benchmark]: Toolchain (without parser) took 21675.52 ms. Allocated memory was 152.0 MB in the beginning and 461.4 MB in the end (delta: 309.3 MB). Free memory was 126.3 MB in the beginning and 395.1 MB in the end (delta: -268.8 MB). Peak memory consumption was 225.2 MB. Max. memory is 8.0 GB. [2020-10-27 20:08:39,537 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 152.0 MB. Free memory is still 128.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 20:08:39,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.36 ms. Allocated memory is still 152.0 MB. Free memory was 125.6 MB in the beginning and 102.9 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:08:39,539 INFO L168 Benchmark]: Boogie Preprocessor took 134.45 ms. Allocated memory is still 152.0 MB. Free memory was 102.9 MB in the beginning and 100.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:08:39,539 INFO L168 Benchmark]: RCFGBuilder took 961.57 ms. Allocated memory is still 152.0 MB. Free memory was 100.3 MB in the beginning and 97.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 8.0 GB. [2020-10-27 20:08:39,540 INFO L168 Benchmark]: TraceAbstraction took 19939.81 ms. Allocated memory was 152.0 MB in the beginning and 461.4 MB in the end (delta: 309.3 MB). Free memory was 96.5 MB in the beginning and 395.1 MB in the end (delta: -298.6 MB). Peak memory consumption was 194.4 MB. Max. memory is 8.0 GB. [2020-10-27 20:08:39,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 152.0 MB. Free memory is still 128.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 627.36 ms. Allocated memory is still 152.0 MB. Free memory was 125.6 MB in the beginning and 102.9 MB in the end (delta: 22.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 134.45 ms. Allocated memory is still 152.0 MB. Free memory was 102.9 MB in the beginning and 100.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 961.57 ms. Allocated memory is still 152.0 MB. Free memory was 100.3 MB in the beginning and 97.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19939.81 ms. Allocated memory was 152.0 MB in the beginning and 461.4 MB in the end (delta: 309.3 MB). Free memory was 96.5 MB in the beginning and 395.1 MB in the end (delta: -298.6 MB). Peak memory consumption was 194.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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_$Pointer$ * 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: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant [2020-10-27 20:08:39,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,565 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,579 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((i <= 0 && 0 <= i) && #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] == 0) && len <= 1) && 1 <= len) || (((#memory_$Pointer$[s][s] == 0 && len <= 2) && i + 1 <= 0) && #memory_$Pointer$[s][s] == 0)) || ((((((((#memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0 && len <= 2) && 2 <= len) && 1 <= i) && #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]][4] == 0) && #memory_$Pointer$[s][s] == 0) && i <= 1) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && (!(s == 4) || !(#memory_$Pointer$[s] == #memory_$Pointer$[#memory_$Pointer$[#memory_$Pointer$[s][s]][4]])))) || ((((((i <= 0 && len <= 2) && 2 <= len) && 0 <= i) && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) && #memory_$Pointer$[#memory_$Pointer$[s][s]][4] == 0) - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant [2020-10-27 20:08:39,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:08:39,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:08:39,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:08:39,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:08:39,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,589 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,590 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 20:08:39,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 20:08:39,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,591 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,592 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:08:39,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 20:08:39,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:08:39,593 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 20:08:39,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 20:08:39,594 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((#memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0 && !(head == #memory_$Pointer$[#memory_$Pointer$[head][4]][4])) && #memory_$Pointer$[#memory_$Pointer$[head][4]][4] == 0) && len + 2 <= \old(len)) && head == 0) && \old(len) <= len + 2) && #memory_$Pointer$[head][4] == 0) || (((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && head == 0) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(len) == len) && head == 0) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid)) || ((((\old(len) == len + 1 && #memory_$Pointer$[head][head + 4] == 0) && \valid[head] == 1) && head == 0) && #memory_$Pointer$[head][4] == 0)) || !(\old(len) <= 2)) || !(2 <= \old(len)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.2s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 252 SDtfs, 191 SDslu, 1422 SDs, 0 SdLazy, 1704 SolverSat, 212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 22 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 37 PreInvPairs, 56 NumberOfFragments, 657 HoareAnnotationTreeSize, 37 FomulaSimplifications, 1580 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 17 FomulaSimplificationsInter, 904 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 12.5s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 119694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 60/114 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...