/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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 01:25:19,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 01:25:19,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 01:25:19,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 01:25:19,452 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 01:25:19,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 01:25:19,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 01:25:19,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 01:25:19,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 01:25:19,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 01:25:19,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 01:25:19,480 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 01:25:19,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 01:25:19,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 01:25:19,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 01:25:19,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 01:25:19,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 01:25:19,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 01:25:19,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 01:25:19,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 01:25:19,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 01:25:19,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 01:25:19,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 01:25:19,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 01:25:19,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 01:25:19,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 01:25:19,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 01:25:19,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 01:25:19,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 01:25:19,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 01:25:19,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 01:25:19,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 01:25:19,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 01:25:19,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 01:25:19,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 01:25:19,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 01:25:19,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 01:25:19,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 01:25:19,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 01:25:19,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 01:25:19,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 01:25:19,567 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 01:25:19,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 01:25:19,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 01:25:19,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 01:25:19,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 01:25:19,626 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 01:25:19,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 01:25:19,627 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 01:25:19,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 01:25:19,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 01:25:19,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 01:25:19,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 01:25:19,630 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 01:25:19,630 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 01:25:19,630 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 01:25:19,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 01:25:19,631 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 01:25:19,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 01:25:19,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 01:25:19,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 01:25:19,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 01:25:19,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 01:25:19,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 01:25:19,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 01:25:19,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 01:25:19,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 01:25:19,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 01:25:19,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 01:25:19,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 01:25:19,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 01:25:19,635 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 01:25:20,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 01:25:20,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 01:25:20,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 01:25:20,082 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 01:25:20,085 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 01:25:20,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_update_all.i [2020-10-27 01:25:20,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bce845a79/ba26fd0e2df740659dbcd8be3d5d89d9/FLAG106013772 [2020-10-27 01:25:20,858 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 01:25:20,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2c_update_all.i [2020-10-27 01:25:20,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bce845a79/ba26fd0e2df740659dbcd8be3d5d89d9/FLAG106013772 [2020-10-27 01:25:21,154 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bce845a79/ba26fd0e2df740659dbcd8be3d5d89d9 [2020-10-27 01:25:21,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 01:25:21,166 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 01:25:21,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 01:25:21,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 01:25:21,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 01:25:21,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:25:21" (1/1) ... [2020-10-27 01:25:21,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509a80e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:25:21, skipping insertion in model container [2020-10-27 01:25:21,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:25:21" (1/1) ... [2020-10-27 01:25:21,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 01:25:21,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 01:25:21,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:25:21,727 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 01:25:21,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:25:21,838 INFO L208 MainTranslator]: Completed translation [2020-10-27 01:25:21,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:25:21 WrapperNode [2020-10-27 01:25:21,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 01:25:21,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 01:25:21,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 01:25:21,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 01:25:21,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:25:21" (1/1) ... [2020-10-27 01:25:21,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:25:21" (1/1) ... [2020-10-27 01:25:21,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:25:21" (1/1) ... [2020-10-27 01:25:21,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:25:21" (1/1) ... [2020-10-27 01:25:21,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:25:21" (1/1) ... [2020-10-27 01:25:21,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:25:21" (1/1) ... [2020-10-27 01:25:21,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:25:21" (1/1) ... [2020-10-27 01:25:21,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 01:25:21,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 01:25:21,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 01:25:21,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 01:25:21,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:25:21" (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 01:25:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 01:25:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 01:25:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 01:25:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 01:25:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 01:25:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-27 01:25:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-27 01:25:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2020-10-27 01:25:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2020-10-27 01:25:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_get_data_at [2020-10-27 01:25:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_update_at [2020-10-27 01:25:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 01:25:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 01:25:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 01:25:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 01:25:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 01:25:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 01:25:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 01:25:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 01:25:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 01:25:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 01:25:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 01:25:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 01:25:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 01:25:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 01:25:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 01:25:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 01:25:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 01:25:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 01:25:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 01:25:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 01:25:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 01:25:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 01:25:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 01:25:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 01:25:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 01:25:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 01:25:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 01:25:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 01:25:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 01:25:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 01:25:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 01:25:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 01:25:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 01:25:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 01:25:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 01:25:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 01:25:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 01:25:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 01:25:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 01:25:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 01:25:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 01:25:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 01:25:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 01:25:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 01:25:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 01:25:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 01:25:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 01:25:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 01:25:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 01:25:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 01:25:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 01:25:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 01:25:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 01:25:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 01:25:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 01:25:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 01:25:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 01:25:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 01:25:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 01:25:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 01:25:22,034 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 01:25:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 01:25:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 01:25:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 01:25:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 01:25:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 01:25:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 01:25:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-27 01:25:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 01:25:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-27 01:25:22,038 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 01:25:22,039 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 01:25:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-27 01:25:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 01:25:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 01:25:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 01:25:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 01:25:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 01:25:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 01:25:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 01:25:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 01:25:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 01:25:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 01:25:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 01:25:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 01:25:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 01:25:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 01:25:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 01:25:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 01:25:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 01:25:22,042 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 01:25:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 01:25:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 01:25:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 01:25:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 01:25:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 01:25:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 01:25:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 01:25:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 01:25:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 01:25:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 01:25:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 01:25:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 01:25:22,044 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 01:25:22,045 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 01:25:22,046 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 01:25:22,046 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 01:25:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 01:25:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 01:25:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 01:25:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 01:25:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-27 01:25:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-27 01:25:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 01:25:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 01:25:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 01:25:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2020-10-27 01:25:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2020-10-27 01:25:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 01:25:22,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 01:25:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_get_data_at [2020-10-27 01:25:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 01:25:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_update_at [2020-10-27 01:25:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 01:25:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 01:25:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 01:25:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 01:25:22,487 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-27 01:25:22,681 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 01:25:22,682 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-27 01:25:22,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:25:22 BoogieIcfgContainer [2020-10-27 01:25:22,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 01:25:22,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 01:25:22,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 01:25:22,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 01:25:22,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:25:21" (1/3) ... [2020-10-27 01:25:22,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724952bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:25:22, skipping insertion in model container [2020-10-27 01:25:22,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:25:21" (2/3) ... [2020-10-27 01:25:22,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724952bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:25:22, skipping insertion in model container [2020-10-27 01:25:22,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:25:22" (3/3) ... [2020-10-27 01:25:22,693 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2c_update_all.i [2020-10-27 01:25:22,706 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 01:25:22,711 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 01:25:22,725 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 01:25:22,761 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 01:25:22,761 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 01:25:22,761 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 01:25:22,762 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 01:25:22,762 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 01:25:22,762 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 01:25:22,762 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 01:25:22,762 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 01:25:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2020-10-27 01:25:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-27 01:25:22,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:25:22,792 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 01:25:22,793 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:25:22,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:25:22,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2066695310, now seen corresponding path program 1 times [2020-10-27 01:25:22,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:25:22,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789311034] [2020-10-27 01:25:22,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:25:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:23,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:23,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:23,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:24,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:24,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-27 01:25:24,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 01:25:24,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-10-27 01:25:24,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:24,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:25:24,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:25:24,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 01:25:24,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 01:25:24,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:25:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:24,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:24,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:24,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:25:24,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:24,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:25:24,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:24,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:24,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:24,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:24,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:24,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:25:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:24,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:24,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:24,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:24,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 01:25:24,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:25:24,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-27 01:25:24,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:24,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:25:24,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 01:25:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:24,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:25:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:24,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:24,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:24,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:24,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:24,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 01:25:24,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:24,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:24,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:24,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:24,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:24,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 01:25:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:24,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:24,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:24,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:24,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:24,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:25:24,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:24,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:24,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:25:24,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:24,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:24,431 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 01:25:24,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789311034] [2020-10-27 01:25:24,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:25:24,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 01:25:24,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38716309] [2020-10-27 01:25:24,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 01:25:24,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:25:24,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 01:25:24,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 01:25:24,460 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 6 states. [2020-10-27 01:25:24,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:25:24,944 INFO L93 Difference]: Finished difference Result 115 states and 159 transitions. [2020-10-27 01:25:24,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 01:25:24,946 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-10-27 01:25:24,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:25:24,955 INFO L225 Difference]: With dead ends: 115 [2020-10-27 01:25:24,956 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 01:25:24,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 01:25:24,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 01:25:25,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2020-10-27 01:25:25,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-10-27 01:25:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2020-10-27 01:25:25,016 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 34 [2020-10-27 01:25:25,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:25:25,017 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2020-10-27 01:25:25,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 01:25:25,017 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2020-10-27 01:25:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 01:25:25,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:25:25,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:25:25,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 01:25:25,021 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:25:25,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:25:25,022 INFO L82 PathProgramCache]: Analyzing trace with hash -940956612, now seen corresponding path program 1 times [2020-10-27 01:25:25,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:25:25,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206801466] [2020-10-27 01:25:25,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:25:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:25,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:25,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:25,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:25,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:25,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:26,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:29,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:29,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 01:25:29,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 01:25:29,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4597 [2020-10-27 01:25:29,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:29,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:25:29,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:25:29,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 01:25:29,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:29,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:25:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:29,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:29,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:29,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:25:29,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:29,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:25:29,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:29,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:29,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:29,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:29,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:29,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:25:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:29,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:29,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:29,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:29,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 01:25:29,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:25:29,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 01:25:29,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:29,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:25:29,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:29,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 01:25:29,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:29,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:25:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:29,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:29,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:29,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:29,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:29,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:25:29,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:29,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:29,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:29,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:29,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:29,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 01:25:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:29,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:29,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:29,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:29,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:29,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 01:25:29,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:29,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:25:29,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:29,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:25:29,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:29,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:25:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:29,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:29,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:29,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:29,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:29,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:25:29,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:29,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:29,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:25:29,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:29,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:29,914 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 01:25:29,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206801466] [2020-10-27 01:25:29,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:25:29,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 01:25:29,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416535881] [2020-10-27 01:25:29,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:25:29,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:25:29,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:25:29,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:25:29,918 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand 8 states. [2020-10-27 01:25:30,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:25:30,220 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2020-10-27 01:25:30,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 01:25:30,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2020-10-27 01:25:30,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:25:30,222 INFO L225 Difference]: With dead ends: 71 [2020-10-27 01:25:30,223 INFO L226 Difference]: Without dead ends: 56 [2020-10-27 01:25:30,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 01:25:30,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-27 01:25:30,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2020-10-27 01:25:30,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-27 01:25:30,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-27 01:25:30,235 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 42 [2020-10-27 01:25:30,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:25:30,236 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-27 01:25:30,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:25:30,236 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-27 01:25:30,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-27 01:25:30,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:25:30,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:25:30,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 01:25:30,239 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:25:30,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:25:30,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1390730490, now seen corresponding path program 2 times [2020-10-27 01:25:30,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:25:30,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174454584] [2020-10-27 01:25:30,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:25:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:30,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:30,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:30,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:31,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:31,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:33,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:33,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:33,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 01:25:33,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 01:25:33,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3573 [2020-10-27 01:25:33,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:33,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:25:33,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:25:33,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 01:25:33,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:33,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:25:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:33,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:33,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:33,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:25:33,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:33,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:25:33,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:33,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:33,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:25:33,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:25:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:33,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:33,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:33,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 01:25:33,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:33,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 01:25:33,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:33,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:25:33,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:25:33,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 01:25:33,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:25:34,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:25:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:34,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:34,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:34,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:34,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:34,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 01:25:34,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:25:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:34,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:25:34,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:25:34,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-27 01:25:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:34,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:34,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:34,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:34,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:34,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:25:34,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:25:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:34,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:25:34,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:25:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:34,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:34,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:34,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:34,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:34,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:25:34,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:34,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:34,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:25:34,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:34,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:25:34,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 01:25:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:34,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:34,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:34,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:34,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:34,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:25:34,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:34,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:34,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:25:34,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:34,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:34,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-27 01:25:34,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [174454584] [2020-10-27 01:25:34,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:25:34,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 01:25:34,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064119018] [2020-10-27 01:25:34,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:25:34,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:25:34,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:25:34,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:25:34,155 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 8 states. [2020-10-27 01:25:34,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:25:34,542 INFO L93 Difference]: Finished difference Result 83 states and 95 transitions. [2020-10-27 01:25:34,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 01:25:34,542 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50 [2020-10-27 01:25:34,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:25:34,544 INFO L225 Difference]: With dead ends: 83 [2020-10-27 01:25:34,545 INFO L226 Difference]: Without dead ends: 52 [2020-10-27 01:25:34,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-27 01:25:34,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-27 01:25:34,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2020-10-27 01:25:34,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-27 01:25:34,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2020-10-27 01:25:34,567 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 50 [2020-10-27 01:25:34,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:25:34,567 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2020-10-27 01:25:34,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:25:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2020-10-27 01:25:34,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 01:25:34,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:25:34,572 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:25:34,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 01:25:34,572 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:25:34,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:25:34,576 INFO L82 PathProgramCache]: Analyzing trace with hash -54332898, now seen corresponding path program 1 times [2020-10-27 01:25:34,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:25:34,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [850857917] [2020-10-27 01:25:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:25:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:34,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:34,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:34,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:35,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:37,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:37,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 01:25:37,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 01:25:37,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2923 [2020-10-27 01:25:37,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:25:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:25:37,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 01:25:37,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:37,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:25:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:37,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:37,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:37,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:25:37,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:37,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:25:37,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:37,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:37,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:37,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:37,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:37,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:25:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:37,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:37,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:37,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:37,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 01:25:37,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:25:37,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 01:25:37,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:37,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:25:37,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:37,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 01:25:37,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:37,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:25:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:37,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:37,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:37,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:37,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:37,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:25:37,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:25:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:37,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:25:37,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:37,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:25:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:37,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:37,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:37,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:37,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:37,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:25:37,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:37,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:25:37,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:37,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:25:37,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:37,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:25:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:37,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:37,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:37,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:37,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:37,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:25:37,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:25:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:37,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:25:37,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:37,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:25:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:37,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:37,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:37,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:37,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:37,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 01:25:37,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:25:37,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:37,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:25:37,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:37,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 01:25:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:37,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:37,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:37,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:37,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:25:37,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:25:37,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:37,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:37,934 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 01:25:37,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [850857917] [2020-10-27 01:25:37,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:25:37,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 01:25:37,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436027148] [2020-10-27 01:25:37,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 01:25:37,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:25:37,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 01:25:37,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-27 01:25:37,936 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand 12 states. [2020-10-27 01:25:38,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:25:38,594 INFO L93 Difference]: Finished difference Result 80 states and 93 transitions. [2020-10-27 01:25:38,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 01:25:38,594 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2020-10-27 01:25:38,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:25:38,598 INFO L225 Difference]: With dead ends: 80 [2020-10-27 01:25:38,598 INFO L226 Difference]: Without dead ends: 65 [2020-10-27 01:25:38,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2020-10-27 01:25:38,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-27 01:25:38,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 54. [2020-10-27 01:25:38,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-27 01:25:38,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2020-10-27 01:25:38,610 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 58 [2020-10-27 01:25:38,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:25:38,610 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2020-10-27 01:25:38,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 01:25:38,611 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2020-10-27 01:25:38,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-27 01:25:38,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:25:38,612 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:25:38,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 01:25:38,613 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:25:38,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:25:38,613 INFO L82 PathProgramCache]: Analyzing trace with hash 517434430, now seen corresponding path program 1 times [2020-10-27 01:25:38,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:25:38,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103346552] [2020-10-27 01:25:38,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:25:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:38,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:39,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:39,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 01:25:39,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:39,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1343 [2020-10-27 01:25:39,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:39,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-27 01:25:39,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 01:25:39,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 01:25:39,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:40,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:25:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:40,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:40,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:40,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:25:40,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:40,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 01:25:40,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:40,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:40,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:25:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:40,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:40,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:40,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 01:25:40,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:40,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-27 01:25:40,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:40,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 01:25:40,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:40,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 01:25:40,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:40,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:25:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:40,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:40,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:40,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:40,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:40,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 01:25:40,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:25:40,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:40,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:25:40,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:25:40,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:25:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:40,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:40,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:40,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:40,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:40,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 01:25:40,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:40,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:25:40,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:25:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:25:40,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:41,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:25:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:41,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:41,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:41,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:41,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:41,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 01:25:41,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:25:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:25:41,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:25:41,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:41,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:25:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:41,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:41,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:41,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:25:41,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:41,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 01:25:41,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:41,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 01:25:41,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:25:41,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 01:25:41,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:41,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 01:25:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:41,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:41,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:41,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:41,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:41,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 01:25:41,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:25:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:25:41,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 01:25:41,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103346552] [2020-10-27 01:25:41,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:25:41,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 01:25:41,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926153350] [2020-10-27 01:25:41,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 01:25:41,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:25:41,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 01:25:41,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=751, Unknown=0, NotChecked=0, Total=812 [2020-10-27 01:25:41,590 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand 29 states. [2020-10-27 01:25:44,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:25:44,249 INFO L93 Difference]: Finished difference Result 98 states and 128 transitions. [2020-10-27 01:25:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 01:25:44,250 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 59 [2020-10-27 01:25:44,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:25:44,254 INFO L225 Difference]: With dead ends: 98 [2020-10-27 01:25:44,254 INFO L226 Difference]: Without dead ends: 94 [2020-10-27 01:25:44,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=174, Invalid=1896, Unknown=0, NotChecked=0, Total=2070 [2020-10-27 01:25:44,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-27 01:25:44,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 81. [2020-10-27 01:25:44,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-27 01:25:44,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 103 transitions. [2020-10-27 01:25:44,297 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 103 transitions. Word has length 59 [2020-10-27 01:25:44,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:25:44,300 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 103 transitions. [2020-10-27 01:25:44,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-27 01:25:44,300 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 103 transitions. [2020-10-27 01:25:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 01:25:44,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:25:44,306 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:25:44,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 01:25:44,307 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:25:44,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:25:44,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1767243702, now seen corresponding path program 2 times [2020-10-27 01:25:44,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:25:44,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1673349236] [2020-10-27 01:25:44,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:25:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:44,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:44,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:44,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:44,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:45,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:45,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 01:25:45,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 01:25:45,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1436 [2020-10-27 01:25:45,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:45,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:25:45,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:25:45,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 01:25:45,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:45,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:25:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:45,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:45,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:45,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:25:45,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:45,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:25:45,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:45,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:45,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:45,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:45,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:45,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:25:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:45,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:45,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:46,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:46,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 01:25:46,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:25:46,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-27 01:25:46,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:25:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:46,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 01:25:46,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:46,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:25:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:46,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:46,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:46,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:46,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:25:46,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:46,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:25:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:46,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:46,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:46,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:46,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:46,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:25:46,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:46,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:46,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:25:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:46,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:46,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:46,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:25:46,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:46,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 01:25:46,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:25:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:46,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:25:46,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:46,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:25:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:46,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:46,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:46,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:25:46,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:25:46,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 01:25:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:46,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 01:25:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:46,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:46,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:46,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:46,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:46,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:25:46,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:25:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:46,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 01:25:46,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1673349236] [2020-10-27 01:25:46,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:25:46,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 01:25:46,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181324916] [2020-10-27 01:25:46,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 01:25:46,137 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:25:46,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 01:25:46,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-27 01:25:46,138 INFO L87 Difference]: Start difference. First operand 81 states and 103 transitions. Second operand 10 states. [2020-10-27 01:25:46,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:25:46,648 INFO L93 Difference]: Finished difference Result 120 states and 148 transitions. [2020-10-27 01:25:46,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 01:25:46,650 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2020-10-27 01:25:46,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:25:46,651 INFO L225 Difference]: With dead ends: 120 [2020-10-27 01:25:46,651 INFO L226 Difference]: Without dead ends: 81 [2020-10-27 01:25:46,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-10-27 01:25:46,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-27 01:25:46,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-27 01:25:46,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-27 01:25:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 97 transitions. [2020-10-27 01:25:46,691 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 97 transitions. Word has length 60 [2020-10-27 01:25:46,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:25:46,692 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 97 transitions. [2020-10-27 01:25:46,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 01:25:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2020-10-27 01:25:46,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 01:25:46,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:25:46,695 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:25:46,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 01:25:46,695 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:25:46,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:25:46,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1062352414, now seen corresponding path program 3 times [2020-10-27 01:25:46,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:25:46,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812511439] [2020-10-27 01:25:46,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:25:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:46,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:46,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:46,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:47,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:49,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:49,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 01:25:49,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 01:25:49,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2461 [2020-10-27 01:25:49,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:25:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:25:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-27 01:25:49,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:49,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:25:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:49,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:49,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:49,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:25:49,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:49,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:25:49,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:49,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:49,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:49,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:49,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:49,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:25:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:49,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:49,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:49,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:49,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 01:25:49,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:25:49,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-27 01:25:49,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:49,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:25:49,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:49,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 01:25:49,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:49,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:25:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:49,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:49,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:49,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:49,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:49,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:25:49,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:49,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:49,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:49,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:49,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:25:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:49,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:49,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:49,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:49,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:25:49,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:49,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:49,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:49,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:25:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:49,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:49,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:49,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:49,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:49,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 01:25:49,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:25:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:49,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:25:49,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:49,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:25:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:49,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:49,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:49,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 01:25:49,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:49,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 01:25:49,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:25:49,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:25:49,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:25:49,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:49,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 01:25:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:49,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:49,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:49,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:49,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:49,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:25:49,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:49,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:49,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:25:49,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:49,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 01:25:49,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812511439] [2020-10-27 01:25:49,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:25:49,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 01:25:49,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968694140] [2020-10-27 01:25:49,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 01:25:49,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:25:49,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 01:25:49,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-27 01:25:49,535 INFO L87 Difference]: Start difference. First operand 81 states and 97 transitions. Second operand 10 states. [2020-10-27 01:25:50,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:25:50,123 INFO L93 Difference]: Finished difference Result 103 states and 121 transitions. [2020-10-27 01:25:50,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 01:25:50,124 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2020-10-27 01:25:50,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:25:50,127 INFO L225 Difference]: With dead ends: 103 [2020-10-27 01:25:50,127 INFO L226 Difference]: Without dead ends: 78 [2020-10-27 01:25:50,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-10-27 01:25:50,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-27 01:25:50,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2020-10-27 01:25:50,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-27 01:25:50,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 90 transitions. [2020-10-27 01:25:50,149 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 90 transitions. Word has length 60 [2020-10-27 01:25:50,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:25:50,149 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 90 transitions. [2020-10-27 01:25:50,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 01:25:50,150 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2020-10-27 01:25:50,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 01:25:50,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:25:50,153 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:25:50,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 01:25:50,157 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:25:50,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:25:50,158 INFO L82 PathProgramCache]: Analyzing trace with hash 607059851, now seen corresponding path program 1 times [2020-10-27 01:25:50,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:25:50,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927490890] [2020-10-27 01:25:50,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:25:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:50,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:50,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:51,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:51,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:51,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:51,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:52,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:55,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:55,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 01:25:55,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 01:25:55,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 01:25:55,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-27 01:25:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:25:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 01:25:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:55,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:25:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:55,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:55,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:55,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:25:55,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:55,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:25:55,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:55,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:25:55,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:55,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:25:55,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:55,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:25:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:55,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:55,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:55,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:55,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 01:25:55,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:25:55,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-10-27 01:25:55,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 01:25:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 01:25:55,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:55,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:25:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:55,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:55,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:55,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:55,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:55,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 01:25:55,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:25:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:55,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:25:55,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:55,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:25:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:55,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:55,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:55,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:55,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:55,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 01:25:55,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:25:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:55,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:25:55,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:55,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:25:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:56,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:56,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:56,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:25:56,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:56,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 01:25:56,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:25:56,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:25:56,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:25:56,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:56,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:25:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:56,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:56,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:56,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:25:56,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:56,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 01:25:56,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:56,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 01:25:56,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:25:56,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 01:25:56,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:56,501 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2020-10-27 01:25:56,799 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 53 [2020-10-27 01:25:56,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 01:25:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:56,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:56,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:25:56,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:25:56,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:25:56,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 01:25:56,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:25:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:25:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:25:56,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:25:56,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:25:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 01:25:56,993 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927490890] [2020-10-27 01:25:56,993 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:25:56,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 01:25:56,994 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810352482] [2020-10-27 01:25:56,994 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 01:25:56,994 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:25:56,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 01:25:56,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=639, Unknown=0, NotChecked=0, Total=702 [2020-10-27 01:25:56,996 INFO L87 Difference]: Start difference. First operand 77 states and 90 transitions. Second operand 27 states. [2020-10-27 01:25:58,224 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-10-27 01:25:59,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:25:59,248 INFO L93 Difference]: Finished difference Result 88 states and 103 transitions. [2020-10-27 01:25:59,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 01:25:59,252 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 60 [2020-10-27 01:25:59,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:25:59,254 INFO L225 Difference]: With dead ends: 88 [2020-10-27 01:25:59,254 INFO L226 Difference]: Without dead ends: 84 [2020-10-27 01:25:59,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=179, Invalid=1713, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 01:25:59,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-27 01:25:59,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2020-10-27 01:25:59,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-27 01:25:59,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 96 transitions. [2020-10-27 01:25:59,290 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 96 transitions. Word has length 60 [2020-10-27 01:25:59,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:25:59,291 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 96 transitions. [2020-10-27 01:25:59,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 01:25:59,291 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2020-10-27 01:25:59,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-27 01:25:59,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:25:59,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:25:59,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 01:25:59,292 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:25:59,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:25:59,293 INFO L82 PathProgramCache]: Analyzing trace with hash -909519394, now seen corresponding path program 2 times [2020-10-27 01:25:59,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:25:59,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410812144] [2020-10-27 01:25:59,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:25:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:25:59,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:59,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:59,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:59,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:59,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:25:59,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:03,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:03,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 01:26:03,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 01:26:03,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4412 [2020-10-27 01:26:03,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:26:03,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:26:03,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 01:26:03,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:03,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:26:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:03,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:03,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:03,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:26:03,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:03,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:26:03,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:26:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:03,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:26:03,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:03,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:26:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:03,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:03,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:03,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:03,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 01:26:03,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:26:03,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 01:26:03,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:26:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:03,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 01:26:03,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:03,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:26:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:03,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:03,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:03,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:03,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:26:03,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:26:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:26:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:03,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:26:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:03,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:03,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:03,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:03,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:03,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:26:03,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:03,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:26:03,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:03,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:26:03,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:03,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:26:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:03,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:03,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:03,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:03,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:03,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:26:03,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:03,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:26:03,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:03,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:26:03,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:03,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:26:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:03,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:03,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:03,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:26:03,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:03,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:26:03,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:03,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:26:03,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:03,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:26:03,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:03,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 01:26:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:03,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:03,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:03,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 01:26:03,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 01:26:03,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:26:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:26:03,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:26:03,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:04,012 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 01:26:04,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410812144] [2020-10-27 01:26:04,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:26:04,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 01:26:04,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843366290] [2020-10-27 01:26:04,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 01:26:04,013 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:26:04,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 01:26:04,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 01:26:04,014 INFO L87 Difference]: Start difference. First operand 81 states and 96 transitions. Second operand 10 states. [2020-10-27 01:26:04,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:26:04,509 INFO L93 Difference]: Finished difference Result 106 states and 124 transitions. [2020-10-27 01:26:04,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 01:26:04,510 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2020-10-27 01:26:04,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:26:04,512 INFO L225 Difference]: With dead ends: 106 [2020-10-27 01:26:04,512 INFO L226 Difference]: Without dead ends: 78 [2020-10-27 01:26:04,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-27 01:26:04,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-27 01:26:04,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2020-10-27 01:26:04,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-27 01:26:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 89 transitions. [2020-10-27 01:26:04,526 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 89 transitions. Word has length 61 [2020-10-27 01:26:04,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:26:04,526 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 89 transitions. [2020-10-27 01:26:04,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 01:26:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2020-10-27 01:26:04,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-27 01:26:04,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:26:04,528 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:26:04,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 01:26:04,528 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:26:04,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:26:04,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1340536652, now seen corresponding path program 4 times [2020-10-27 01:26:04,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:26:04,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094461083] [2020-10-27 01:26:04,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:26:04,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:04,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:04,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:04,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:04,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:06,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:07,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:07,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:07,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:09,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:09,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 01:26:09,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 01:26:09,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 01:26:09,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:09,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:26:09,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:26:09,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 01:26:09,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:09,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:26:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:09,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:09,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:09,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:26:09,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:09,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:26:09,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:26:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:09,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:26:09,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:09,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:26:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:09,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:09,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:09,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:09,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 01:26:09,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:26:09,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-27 01:26:09,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:09,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:26:09,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:09,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 01:26:09,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:09,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:26:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:09,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:09,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:09,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:09,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:09,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 01:26:09,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:26:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:26:09,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:09,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:26:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:09,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:09,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:09,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:09,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:09,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:26:09,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:09,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:26:09,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:09,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:26:09,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:09,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:26:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:09,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:09,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:09,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:09,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:09,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:26:09,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:26:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:26:09,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:09,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:26:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:09,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:09,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:09,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:09,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:09,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:26:09,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:26:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:09,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:26:09,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:09,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 01:26:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:09,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:09,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:09,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:26:09,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:09,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:26:09,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:09,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:26:09,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 01:26:09,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:26:09,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:09,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-27 01:26:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:09,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:09,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:09,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:09,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:09,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:26:09,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:26:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:26:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:26:09,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:09,850 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-27 01:26:09,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094461083] [2020-10-27 01:26:09,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:26:09,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 01:26:09,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219055886] [2020-10-27 01:26:09,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 01:26:09,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:26:09,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 01:26:09,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-27 01:26:09,852 INFO L87 Difference]: Start difference. First operand 77 states and 89 transitions. Second operand 12 states. [2020-10-27 01:26:10,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:26:10,414 INFO L93 Difference]: Finished difference Result 117 states and 128 transitions. [2020-10-27 01:26:10,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 01:26:10,415 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 67 [2020-10-27 01:26:10,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:26:10,416 INFO L225 Difference]: With dead ends: 117 [2020-10-27 01:26:10,417 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 01:26:10,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2020-10-27 01:26:10,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 01:26:10,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-27 01:26:10,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-27 01:26:10,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2020-10-27 01:26:10,428 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 67 [2020-10-27 01:26:10,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:26:10,428 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2020-10-27 01:26:10,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 01:26:10,429 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2020-10-27 01:26:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-27 01:26:10,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:26:10,432 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:26:10,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 01:26:10,432 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:26:10,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:26:10,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1553533929, now seen corresponding path program 1 times [2020-10-27 01:26:10,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:26:10,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082783429] [2020-10-27 01:26:10,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:26:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:10,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:10,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:10,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:11,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:11,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:11,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:12,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:12,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:14,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:14,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 01:26:14,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 01:26:14,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3906 [2020-10-27 01:26:14,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 01:26:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:26:14,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 01:26:14,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:14,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:26:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:14,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:14,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:14,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:26:14,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:14,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:26:14,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:14,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:26:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:26:14,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:14,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:26:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:14,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:14,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:14,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:14,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 01:26:14,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:26:14,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 01:26:14,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:14,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:26:14,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:14,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 01:26:14,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:14,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:26:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:14,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:14,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:14,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:14,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:14,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:26:14,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:14,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:26:14,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:14,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:26:14,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:14,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:26:14,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:14,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:14,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:14,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:14,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:14,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:26:14,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:14,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:26:14,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:14,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:26:14,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:14,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-27 01:26:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:14,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:14,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:14,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:14,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:14,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 01:26:14,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:26:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:14,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:26:14,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:15,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 01:26:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:15,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:15,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:15,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:26:15,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:15,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 01:26:15,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:15,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:26:15,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:26:15,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 01:26:15,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:15,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 01:26:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:15,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:15,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:15,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:15,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:15,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:26:15,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:26:15,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:26:15,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:26:15,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:15,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 01:26:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:26:15,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:26:15,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:26:15,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:26:15,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:26:15,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 01:26:15,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:26:15,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:26:15,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:26:15,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:26:15,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:26:15,340 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 01:26:15,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082783429] [2020-10-27 01:26:15,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:26:15,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 01:26:15,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24885420] [2020-10-27 01:26:15,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 01:26:15,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:26:15,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 01:26:15,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2020-10-27 01:26:15,343 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand 25 states. [2020-10-27 01:26:16,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:26:16,896 INFO L93 Difference]: Finished difference Result 64 states and 67 transitions. [2020-10-27 01:26:16,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-27 01:26:16,896 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 69 [2020-10-27 01:26:16,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:26:16,897 INFO L225 Difference]: With dead ends: 64 [2020-10-27 01:26:16,897 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 01:26:16,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=268, Invalid=1712, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 01:26:16,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 01:26:16,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 01:26:16,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 01:26:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 01:26:16,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2020-10-27 01:26:16,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:26:16,904 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 01:26:16,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 01:26:16,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 01:26:16,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 01:26:16,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 01:26:16,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 01:26:17,603 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2020-10-27 01:26:17,801 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2020-10-27 01:26:17,951 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 27 [2020-10-27 01:26:18,184 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-10-27 01:26:18,339 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-10-27 01:26:18,499 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-10-27 01:26:18,593 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-27 01:26:18,594 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-27 01:26:18,594 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-27 01:26:18,594 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-27 01:26:18,594 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-27 01:26:18,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:26:18,594 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 01:26:18,594 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:26:18,595 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 571 573) the Hoare annotation is: true [2020-10-27 01:26:18,595 INFO L277 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: true [2020-10-27 01:26:18,595 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 571 573) no Hoare annotation was computed. [2020-10-27 01:26:18,595 INFO L274 CegarLoopResult]: For program point sll_circular_get_data_atEXIT(lines 606 612) no Hoare annotation was computed. [2020-10-27 01:26:18,595 INFO L270 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse0 (<= (+ sll_circular_get_data_at_~index 1) |sll_circular_get_data_at_#in~index|))) (or (and (<= 2 |sll_circular_get_data_at_#in~index|) .cse0) (and (= (select (select |#memory_$Pointer$.offset| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.offset) (= (select (select |#memory_$Pointer$.base| |sll_circular_get_data_at_#in~head.base|) |sll_circular_get_data_at_#in~head.offset|) sll_circular_get_data_at_~head.base) (<= 1 |sll_circular_get_data_at_#in~index|) .cse0) (and (= sll_circular_get_data_at_~head.offset |sll_circular_get_data_at_#in~head.offset|) (= sll_circular_get_data_at_~index |sll_circular_get_data_at_#in~index|) (= |sll_circular_get_data_at_#in~head.base| sll_circular_get_data_at_~head.base)))) [2020-10-27 01:26:18,596 INFO L274 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-10-27 01:26:18,596 INFO L277 CegarLoopResult]: At program point sll_circular_get_data_atENTRY(lines 606 612) the Hoare annotation is: true [2020-10-27 01:26:18,596 INFO L274 CegarLoopResult]: For program point sll_circular_get_data_atFINAL(lines 606 612) no Hoare annotation was computed. [2020-10-27 01:26:18,596 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:26:18,596 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:26:18,596 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:26:18,596 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:26:18,596 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:26:18,596 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:26:18,596 INFO L270 CegarLoopResult]: At program point sll_circular_createENTRY(lines 583 594) the Hoare annotation is: (or (not (<= |sll_circular_create_#in~len| 2)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (<= 2 |sll_circular_create_#in~len|))) [2020-10-27 01:26:18,597 INFO L274 CegarLoopResult]: For program point sll_circular_createFINAL(lines 583 594) no Hoare annotation was computed. [2020-10-27 01:26:18,597 INFO L270 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: (or (not (<= |sll_circular_create_#in~len| 2)) (and (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base) (= sll_circular_create_~head~0.offset 0) (= sll_circular_create_~last~0.offset 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= (select |#valid| sll_circular_create_~last~0.base) 1)) (not (<= 2 |sll_circular_create_#in~len|))) [2020-10-27 01:26:18,597 INFO L274 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-10-27 01:26:18,597 INFO L274 CegarLoopResult]: For program point sll_circular_createEXIT(lines 583 594) no Hoare annotation was computed. [2020-10-27 01:26:18,597 INFO L270 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (or (not (<= |sll_circular_create_#in~len| 2)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= |old(#valid)| |#valid|)) (not (<= 2 |sll_circular_create_#in~len|))) [2020-10-27 01:26:18,597 INFO L270 CegarLoopResult]: At program point L586-2(lines 586 591) the Hoare annotation is: (let ((.cse1 (= sll_circular_create_~head~0.base sll_circular_create_~last~0.base)) (.cse0 (= sll_circular_create_~head~0.offset 0))) (or (not (<= |sll_circular_create_#in~len| 2)) (and (not (= (select (select |#memory_$Pointer$.base| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset) sll_circular_create_~head~0.base)) .cse0 (= |sll_circular_create_#in~len| (+ sll_circular_create_~len 1)) (not .cse1) (= (select (select |#memory_$Pointer$.offset| sll_circular_create_~head~0.base) sll_circular_create_~head~0.offset) 0) (= sll_circular_create_~head~0.offset sll_circular_create_~last~0.offset)) (and .cse1 .cse0 (= sll_circular_create_~last~0.offset 0) (= |sll_circular_create_#in~len| sll_circular_create_~len) (= (select |#valid| sll_circular_create_~last~0.base) 1)) (not (<= 2 |sll_circular_create_#in~len|)))) [2020-10-27 01:26:18,598 INFO L274 CegarLoopResult]: For program point L584-1(line 584) no Hoare annotation was computed. [2020-10-27 01:26:18,598 INFO L274 CegarLoopResult]: For program point L586-3(lines 586 591) no Hoare annotation was computed. [2020-10-27 01:26:18,598 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:26:18,598 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 01:26:18,598 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 01:26:18,598 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:26:18,598 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 620 639) no Hoare annotation was computed. [2020-10-27 01:26:18,598 INFO L270 CegarLoopResult]: At program point L632(lines 620 639) the Hoare annotation is: false [2020-10-27 01:26:18,598 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 620 639) no Hoare annotation was computed. [2020-10-27 01:26:18,599 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 620 639) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:26:18,599 INFO L274 CegarLoopResult]: For program point L637(line 637) no Hoare annotation was computed. [2020-10-27 01:26:18,599 INFO L274 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-10-27 01:26:18,599 INFO L270 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4))) (.cse3 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (let ((.cse2 (<= main_~expected~0 (+ main_~i~0 .cse3))) (.cse1 (or (< main_~len~0 2) (= (* main_~len~0 2) (+ .cse0 1))))) (or (and (<= 2 main_~len~0) (<= main_~len~0 (+ main_~i~0 1)) (= main_~expected~0 .cse0) .cse1 .cse2 (<= main_~i~0 1)) (and (= main_~len~0 2) (<= .cse3 main_~expected~0) .cse2 .cse1 (<= (+ main_~i~0 main_~len~0) .cse3) (<= .cse3 main_~len~0))))) [2020-10-27 01:26:18,599 INFO L274 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-10-27 01:26:18,599 INFO L274 CegarLoopResult]: For program point L631-2(lines 631 633) no Hoare annotation was computed. [2020-10-27 01:26:18,599 INFO L270 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (let ((.cse0 (<= (+ main_~i~0 (* 2 main_~len~0)) (+ main_~new_data~0 2))) (.cse1 (<= 2 main_~len~0)) (.cse2 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset) main_~s~0.base)))) (or (and .cse0 .cse1 (<= 0 main_~i~0) (<= main_~new_data~0 main_~len~0) .cse2 (= main_~s~0.offset 0)) (let ((.cse3 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (and .cse0 .cse1 (<= main_~len~0 (+ main_~i~0 1)) (<= main_~len~0 .cse3) (<= main_~new_data~0 (+ main_~len~0 1)) (<= .cse3 main_~len~0) .cse2)))) [2020-10-27 01:26:18,600 INFO L274 CegarLoopResult]: For program point L629-2(lines 629 634) no Hoare annotation was computed. [2020-10-27 01:26:18,600 INFO L274 CegarLoopResult]: For program point L627-1(lines 625 628) no Hoare annotation was computed. [2020-10-27 01:26:18,600 INFO L270 CegarLoopResult]: At program point L629-3(lines 629 634) the Hoare annotation is: (let ((.cse0 (= main_~len~0 2)) (.cse2 (or (< main_~len~0 2) (= (* main_~len~0 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4)) 1)))) (.cse1 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4)))) (or (and .cse0 (<= main_~len~0 (+ main_~i~0 1)) (<= main_~len~0 .cse1) .cse2 (<= main_~expected~0 (+ main_~i~0 .cse1))) (and .cse0 .cse2 (<= main_~len~0 main_~i~0)) (and .cse0 .cse2 (<= 0 main_~i~0) (<= (+ main_~i~0 main_~len~0) .cse1) (<= .cse1 main_~len~0)))) [2020-10-27 01:26:18,600 INFO L270 CegarLoopResult]: At program point L629-4(lines 629 634) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-27 01:26:18,600 INFO L270 CegarLoopResult]: At program point L623(line 623) the Hoare annotation is: (and (= main_~len~0 2) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:26:18,600 INFO L270 CegarLoopResult]: At program point L625-2(lines 625 628) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 4))) (.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse3 (not (= .cse6 main_~s~0.base))) (.cse4 (= main_~s~0.offset 0)) (.cse2 (<= .cse1 main_~len~0))) (or (let ((.cse0 (+ main_~i~0 1))) (and (= main_~len~0 2) (<= .cse0 .cse1) (<= main_~len~0 main_~new_data~0) (<= main_~len~0 .cse0) .cse2 (<= main_~new_data~0 main_~len~0) .cse3 .cse4)) (let ((.cse5 (+ main_~i~0 2))) (and (= main_~i~0 0) (<= .cse5 main_~len~0) (<= main_~len~0 .cse5) .cse3 .cse4)) (and (<= main_~i~0 .cse1) (<= main_~len~0 2) (<= 2 main_~len~0) (<= main_~len~0 main_~i~0) (= (* main_~len~0 2) (+ (select (select |#memory_int| .cse6) (+ (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset) 4)) 1)) .cse2)))) [2020-10-27 01:26:18,600 INFO L274 CegarLoopResult]: For program point L623-1(line 623) no Hoare annotation was computed. [2020-10-27 01:26:18,600 INFO L274 CegarLoopResult]: For program point L625-3(lines 625 628) no Hoare annotation was computed. [2020-10-27 01:26:18,601 INFO L270 CegarLoopResult]: At program point sll_circular_destroyENTRY(lines 595 605) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-27 01:26:18,601 INFO L274 CegarLoopResult]: For program point L596(lines 596 604) no Hoare annotation was computed. [2020-10-27 01:26:18,601 INFO L277 CegarLoopResult]: At program point L598-2(lines 598 602) the Hoare annotation is: true [2020-10-27 01:26:18,601 INFO L274 CegarLoopResult]: For program point L598-3(lines 598 602) no Hoare annotation was computed. [2020-10-27 01:26:18,601 INFO L274 CegarLoopResult]: For program point L596-2(lines 595 605) no Hoare annotation was computed. [2020-10-27 01:26:18,601 INFO L274 CegarLoopResult]: For program point sll_circular_destroyEXIT(lines 595 605) no Hoare annotation was computed. [2020-10-27 01:26:18,601 INFO L274 CegarLoopResult]: For program point sll_circular_update_atEXIT(lines 613 619) no Hoare annotation was computed. [2020-10-27 01:26:18,601 INFO L270 CegarLoopResult]: At program point sll_circular_update_atENTRY(lines 613 619) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-27 01:26:18,601 INFO L274 CegarLoopResult]: For program point sll_circular_update_atFINAL(lines 613 619) no Hoare annotation was computed. [2020-10-27 01:26:18,602 INFO L270 CegarLoopResult]: At program point L614-2(lines 614 617) the Hoare annotation is: (let ((.cse2 (<= (+ sll_circular_update_at_~index 1) |sll_circular_update_at_#in~index|)) (.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse4 (= |sll_circular_update_at_#in~data| sll_circular_update_at_~data))) (or (and .cse0 (= (select (select |old(#memory_$Pointer$.base)| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|) sll_circular_update_at_~head.base) (= sll_circular_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_circular_update_at_#in~head.base|) |sll_circular_update_at_#in~head.offset|)) .cse1 .cse2 (<= 1 |sll_circular_update_at_#in~index|) .cse3 .cse4) (and .cse0 .cse1 (<= 2 |sll_circular_update_at_#in~index|) .cse2 .cse3) (and .cse0 (= |sll_circular_update_at_#in~index| sll_circular_update_at_~index) .cse1 (= |sll_circular_update_at_#in~head.base| sll_circular_update_at_~head.base) (= sll_circular_update_at_~head.offset |sll_circular_update_at_#in~head.offset|) .cse3 .cse4))) [2020-10-27 01:26:18,602 INFO L274 CegarLoopResult]: For program point L614-3(lines 614 617) no Hoare annotation was computed. [2020-10-27 01:26:18,602 INFO L277 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: true [2020-10-27 01:26:18,602 INFO L274 CegarLoopResult]: For program point L576(lines 576 578) no Hoare annotation was computed. [2020-10-27 01:26:18,602 INFO L274 CegarLoopResult]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2020-10-27 01:26:18,602 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 574 582) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:26:18,602 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 574 582) no Hoare annotation was computed. [2020-10-27 01:26:18,602 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 574 582) no Hoare annotation was computed. [2020-10-27 01:26:18,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,624 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,632 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,632 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,632 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,632 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,638 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,638 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,643 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,643 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,649 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,653 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,653 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,659 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,660 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,661 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,662 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,663 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,663 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,664 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 01:26:18 BoogieIcfgContainer [2020-10-27 01:26:18,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 01:26:18,669 INFO L168 Benchmark]: Toolchain (without parser) took 57507.21 ms. Allocated memory was 152.0 MB in the beginning and 715.1 MB in the end (delta: 563.1 MB). Free memory was 126.2 MB in the beginning and 526.7 MB in the end (delta: -400.5 MB). Peak memory consumption was 423.4 MB. Max. memory is 8.0 GB. [2020-10-27 01:26:18,670 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 01:26:18,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.20 ms. Allocated memory is still 152.0 MB. Free memory was 125.7 MB in the beginning and 102.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 01:26:18,671 INFO L168 Benchmark]: Boogie Preprocessor took 67.93 ms. Allocated memory is still 152.0 MB. Free memory was 102.9 MB in the beginning and 100.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 01:26:18,672 INFO L168 Benchmark]: RCFGBuilder took 774.58 ms. Allocated memory is still 152.0 MB. Free memory was 100.0 MB in the beginning and 92.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB. [2020-10-27 01:26:18,673 INFO L168 Benchmark]: TraceAbstraction took 55980.45 ms. Allocated memory was 152.0 MB in the beginning and 715.1 MB in the end (delta: 563.1 MB). Free memory was 92.4 MB in the beginning and 526.7 MB in the end (delta: -434.3 MB). Peak memory consumption was 388.3 MB. Max. memory is 8.0 GB. [2020-10-27 01:26:18,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 669.20 ms. Allocated memory is still 152.0 MB. Free memory was 125.7 MB in the beginning and 102.9 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 67.93 ms. Allocated memory is still 152.0 MB. Free memory was 102.9 MB in the beginning and 100.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 774.58 ms. Allocated memory is still 152.0 MB. Free memory was 100.0 MB in the beginning and 92.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 55980.45 ms. Allocated memory was 152.0 MB in the beginning and 715.1 MB in the end (delta: 563.1 MB). Free memory was 92.4 MB in the beginning and 526.7 MB in the end (delta: -434.3 MB). Peak memory consumption was 388.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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: 625]: Loop Invariant [2020-10-27 01:26:18,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,703 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((len == 2 && i + 1 <= unknown-#memory_int-unknown[s][s + 4]) && len <= new_data) && len <= i + 1) && unknown-#memory_int-unknown[s][s + 4] <= len) && new_data <= len) && !(#memory_$Pointer$[s][s] == s)) && s == 0) || ((((i == 0 && i + 2 <= len) && len <= i + 2) && !(#memory_$Pointer$[s][s] == s)) && s == 0)) || (((((i <= unknown-#memory_int-unknown[s][s + 4] && len <= 2) && 2 <= len) && len <= i) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 1) && unknown-#memory_int-unknown[s][s + 4] <= len) - InvariantResult [Line: 586]: Loop Invariant [2020-10-27 01:26:18,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,705 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,711 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((!(\old(len) <= 2) || (((((!(#memory_$Pointer$[head][head] == head) && head == 0) && \old(len) == len + 1) && !(head == last)) && #memory_$Pointer$[head][head] == 0) && head == last)) || ((((head == last && head == 0) && last == 0) && \old(len) == len) && \valid[last] == 1)) || !(2 <= \old(len)) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 614]: Loop Invariant [2020-10-27 01:26:18,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,716 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,720 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,721 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,723 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(#memory_$Pointer$)[head][head] == head) && head == #memory_$Pointer$[head][head]) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index + 1 <= \old(index)) && 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(data) == data) || ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && 2 <= \old(index)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(index) == index) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && head == head) && head == head) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(data) == data) - InvariantResult [Line: 629]: Loop Invariant [2020-10-27 01:26:18,724 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,724 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,724 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:26:18,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((len == 2 && len <= i + 1) && len <= unknown-#memory_int-unknown[s][s + 4]) && (len < 2 || len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 1)) && expected <= i + unknown-#memory_int-unknown[s][s + 4]) || ((len == 2 && (len < 2 || len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 1)) && len <= i)) || ((((len == 2 && (len < 2 || len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4] + 1)) && 0 <= i) && i + len <= unknown-#memory_int-unknown[s][s + 4]) && unknown-#memory_int-unknown[s][s + 4] <= len) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant [2020-10-27 01:26:18,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,732 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:26:18,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:26:18,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:26:18,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((2 <= \old(index) && index + 1 <= \old(index)) || (((#memory_$Pointer$[head][head] == head && #memory_$Pointer$[head][head] == head) && 1 <= \old(index)) && index + 1 <= \old(index))) || ((head == head && index == \old(index)) && head == head) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 54.1s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 426 SDtfs, 710 SDslu, 1814 SDs, 0 SdLazy, 4227 SolverSat, 514 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 373 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1051 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 46 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 74 PreInvPairs, 109 NumberOfFragments, 833 HoareAnnotationTreeSize, 74 FomulaSimplifications, 12185 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 26 FomulaSimplificationsInter, 1681 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 42.6s InterpolantComputationTime, 620 NumberOfCodeBlocks, 620 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 609 ConstructedInterpolants, 0 QuantifiedInterpolants, 222442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 129/190 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...