/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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/dll2c_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:26:41,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:26:41,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:26:41,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:26:41,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:26:41,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:26:41,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:26:41,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:26:41,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:26:41,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:26:41,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:26:41,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:26:41,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:26:41,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:26:41,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:26:41,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:26:41,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:26:41,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:26:41,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:26:41,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:26:41,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:26:41,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:26:41,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:26:41,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:26:41,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:26:41,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:26:41,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:26:41,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:26:41,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:26:41,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:26:41,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:26:41,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:26:41,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:26:41,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:26:41,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:26:41,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:26:41,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:26:41,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:26:41,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:26:41,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:26:41,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:26:41,825 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 [2020-10-29 09:26:41,858 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:26:41,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:26:41,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:26:41,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:26:41,861 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:26:41,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:26:41,862 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:26:41,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:26:41,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:26:41,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:26:41,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:26:41,864 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:26:41,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:26:41,865 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:26:41,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:26:41,865 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:26:41,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:26:41,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:26:41,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:26:41,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:26:41,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:26:41,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:26:41,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:26:41,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:26:41,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:26:41,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:26:41,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:26:41,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:26:41,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:26:41,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:26:42,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:26:42,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:26:42,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:26:42,335 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:26:42,336 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:26:42,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2020-10-29 09:26:42,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93edf4c6e/a513005f4c4543edb662c19998edbdf9/FLAGf4c16c57b [2020-10-29 09:26:43,237 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:26:43,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2c_update_all_reverse.i [2020-10-29 09:26:43,258 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93edf4c6e/a513005f4c4543edb662c19998edbdf9/FLAGf4c16c57b [2020-10-29 09:26:43,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/93edf4c6e/a513005f4c4543edb662c19998edbdf9 [2020-10-29 09:26:43,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:26:43,481 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:26:43,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:26:43,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:26:43,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:26:43,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:26:43" (1/1) ... [2020-10-29 09:26:43,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73efe0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:43, skipping insertion in model container [2020-10-29 09:26:43,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:26:43" (1/1) ... [2020-10-29 09:26:43,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:26:43,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:26:43,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:26:43,987 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:26:44,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:26:44,138 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:26:44,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:44 WrapperNode [2020-10-29 09:26:44,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:26:44,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:26:44,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:26:44,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:26:44,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:44" (1/1) ... [2020-10-29 09:26:44,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:44" (1/1) ... [2020-10-29 09:26:44,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:44" (1/1) ... [2020-10-29 09:26:44,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:44" (1/1) ... [2020-10-29 09:26:44,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:44" (1/1) ... [2020-10-29 09:26:44,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:44" (1/1) ... [2020-10-29 09:26:44,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:44" (1/1) ... [2020-10-29 09:26:44,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:26:44,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:26:44,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:26:44,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:26:44,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:44" (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 [2020-10-29 09:26:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:26:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:26:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:26:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-29 09:26:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-29 09:26:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-29 09:26:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-29 09:26:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2020-10-29 09:26:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2020-10-29 09:26:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_get_data_at [2020-10-29 09:26:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_update_at [2020-10-29 09:26:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:26:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:26:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:26:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 09:26:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 09:26:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:26:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:26:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-29 09:26:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-29 09:26:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-29 09:26:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-29 09:26:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-29 09:26:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-29 09:26:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-29 09:26:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-29 09:26:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-29 09:26:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-29 09:26:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-29 09:26:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-29 09:26:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-29 09:26:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-29 09:26:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-29 09:26:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-29 09:26:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-29 09:26:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-29 09:26:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-29 09:26:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-29 09:26:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-29 09:26:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-29 09:26:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-29 09:26:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-29 09:26:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-29 09:26:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-29 09:26:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-29 09:26:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-29 09:26:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-29 09:26:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-29 09:26:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-29 09:26:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-29 09:26:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-29 09:26:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-29 09:26:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-29 09:26:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-29 09:26:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-29 09:26:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-29 09:26:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-29 09:26:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-29 09:26:44,331 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-29 09:26:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-29 09:26:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-29 09:26:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-29 09:26:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-29 09:26:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-29 09:26:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-29 09:26:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-29 09:26:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-29 09:26:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-29 09:26:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-29 09:26:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-29 09:26:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 09:26:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 09:26:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-29 09:26:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 09:26:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-29 09:26:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-29 09:26:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-29 09:26:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-29 09:26:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-29 09:26:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-29 09:26:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-29 09:26:44,335 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-29 09:26:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 09:26:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-29 09:26:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-29 09:26:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-29 09:26:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-29 09:26:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-29 09:26:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-29 09:26:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-29 09:26:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-29 09:26:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-29 09:26:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-29 09:26:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-29 09:26:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-29 09:26:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-29 09:26:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-29 09:26:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-29 09:26:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-29 09:26:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-29 09:26:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-29 09:26:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-29 09:26:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-29 09:26:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-29 09:26:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-29 09:26:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-29 09:26:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-29 09:26:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-29 09:26:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-29 09:26:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-29 09:26:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-29 09:26:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-29 09:26:44,340 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-29 09:26:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-29 09:26:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-29 09:26:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-29 09:26:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-29 09:26:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-29 09:26:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-29 09:26:44,341 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-29 09:26:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-29 09:26:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-29 09:26:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-29 09:26:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-29 09:26:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 09:26:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 09:26:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:26:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2020-10-29 09:26:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2020-10-29 09:26:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 09:26:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:26:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_get_data_at [2020-10-29 09:26:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:26:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_update_at [2020-10-29 09:26:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:26:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:26:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:26:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:26:44,896 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-29 09:26:45,016 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:26:45,016 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-29 09:26:45,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:26:45 BoogieIcfgContainer [2020-10-29 09:26:45,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:26:45,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:26:45,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:26:45,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:26:45,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:26:43" (1/3) ... [2020-10-29 09:26:45,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbda375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:26:45, skipping insertion in model container [2020-10-29 09:26:45,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:44" (2/3) ... [2020-10-29 09:26:45,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbda375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:26:45, skipping insertion in model container [2020-10-29 09:26:45,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:26:45" (3/3) ... [2020-10-29 09:26:45,029 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2c_update_all_reverse.i [2020-10-29 09:26:45,043 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:26:45,048 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:26:45,062 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:26:45,095 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:26:45,096 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:26:45,096 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:26:45,096 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:26:45,096 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:26:45,096 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:26:45,097 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:26:45,097 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:26:45,120 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-10-29 09:26:45,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-29 09:26:45,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:45,131 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] [2020-10-29 09:26:45,131 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:45,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:45,139 INFO L82 PathProgramCache]: Analyzing trace with hash -434495315, now seen corresponding path program 1 times [2020-10-29 09:26:45,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:45,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951527209] [2020-10-29 09:26:45,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:45,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:45,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:45,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:46,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:46,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-29 09:26:46,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 09:26:46,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1546 [2020-10-29 09:26:46,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:46,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:26:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:26:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 09:26:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 09:26:47,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:26:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:47,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:47,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:47,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:26:47,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:47,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:26:47,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:47,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:47,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:47,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:47,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:47,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:47,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:26:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:47,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:47,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:47,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:47,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 09:26:47,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:26:47,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 09:26:47,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:47,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:47,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 09:26:47,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 09:26:47,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:26:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:47,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:47,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:47,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:47,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:47,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:26:47,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:47,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:47,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:47,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:47,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 09:26:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:47,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:47,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:47,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:47,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:47,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 09:26:47,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:47,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:47,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:26:47,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:26:47,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:26:47,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:26:47,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951527209] [2020-10-29 09:26:47,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:26:47,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 09:26:47,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113030433] [2020-10-29 09:26:47,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 09:26:47,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:26:47,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 09:26:47,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:26:47,412 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 8 states. [2020-10-29 09:26:47,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:26:47,946 INFO L93 Difference]: Finished difference Result 121 states and 169 transitions. [2020-10-29 09:26:47,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 09:26:47,947 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-10-29 09:26:47,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:26:47,958 INFO L225 Difference]: With dead ends: 121 [2020-10-29 09:26:47,959 INFO L226 Difference]: Without dead ends: 60 [2020-10-29 09:26:47,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-29 09:26:47,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-29 09:26:48,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2020-10-29 09:26:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-29 09:26:48,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2020-10-29 09:26:48,018 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 34 [2020-10-29 09:26:48,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:26:48,018 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2020-10-29 09:26:48,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 09:26:48,019 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2020-10-29 09:26:48,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-29 09:26:48,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:48,022 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, 1] [2020-10-29 09:26:48,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:26:48,022 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:48,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:48,023 INFO L82 PathProgramCache]: Analyzing trace with hash 566335172, now seen corresponding path program 1 times [2020-10-29 09:26:48,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:48,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009133840] [2020-10-29 09:26:48,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:48,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:48,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:48,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:48,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:48,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:49,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:49,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:50,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:53,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:53,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 09:26:53,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 09:26:53,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 09:26:53,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:53,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:53,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:26:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 09:26:53,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 09:26:53,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:53,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:26:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:53,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:53,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:53,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:26:53,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:53,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:26:53,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:53,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:53,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:53,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:53,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:53,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:53,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:26:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:53,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:53,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:53,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 09:26:53,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:53,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 09:26:53,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:53,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:26:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:53,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 09:26:53,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:53,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:26:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:53,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:53,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:53,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:53,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:53,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 09:26:53,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:53,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:26:53,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:53,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 09:26:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:53,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:53,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:53,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:53,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:53,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:26:53,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:53,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:53,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:53,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:53,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:26:53,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:53,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:26:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:53,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:53,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:53,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:26:53,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:53,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:26:53,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:53,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:26:53,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:26:53,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:26:53,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 09:26:53,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009133840] [2020-10-29 09:26:53,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:26:53,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-29 09:26:53,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748308991] [2020-10-29 09:26:53,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-29 09:26:53,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:26:53,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-29 09:26:53,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-10-29 09:26:53,402 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand 11 states. [2020-10-29 09:26:53,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:26:53,933 INFO L93 Difference]: Finished difference Result 88 states and 104 transitions. [2020-10-29 09:26:53,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 09:26:53,934 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2020-10-29 09:26:53,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:26:53,936 INFO L225 Difference]: With dead ends: 88 [2020-10-29 09:26:53,936 INFO L226 Difference]: Without dead ends: 59 [2020-10-29 09:26:53,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2020-10-29 09:26:53,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-29 09:26:53,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2020-10-29 09:26:53,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-29 09:26:53,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2020-10-29 09:26:53,964 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 43 [2020-10-29 09:26:53,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:26:53,965 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2020-10-29 09:26:53,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-29 09:26:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2020-10-29 09:26:53,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-29 09:26:53,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:53,970 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:26:53,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:26:53,970 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:53,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:53,971 INFO L82 PathProgramCache]: Analyzing trace with hash -760340944, now seen corresponding path program 1 times [2020-10-29 09:26:53,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:53,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141269183] [2020-10-29 09:26:53,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:54,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:57,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:57,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 09:26:57,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 09:26:57,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3067 [2020-10-29 09:26:57,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:57,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:57,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:26:57,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:26:57,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-29 09:26:57,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:57,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:26:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:57,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:57,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:57,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:26:57,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:57,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:26:57,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:57,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:57,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:57,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:57,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:26:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:57,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:57,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:57,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:57,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:26:57,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:26:57,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-29 09:26:57,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:57,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:57,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 09:26:57,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:57,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:26:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:57,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:57,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:57,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:57,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:57,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:26:57,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:57,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:57,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:57,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:57,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:57,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:57,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:26:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:57,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:57,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:57,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:57,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:57,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:26:57,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:57,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:57,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:57,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:57,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:57,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:57,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:26:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:57,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:57,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:57,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:57,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:57,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:26:57,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 09:26:57,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:57,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:57,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:57,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:57,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:26:57,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:57,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:26:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:57,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:57,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:57,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:26:57,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:57,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:26:57,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:57,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:26:57,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:57,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-29 09:26:57,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141269183] [2020-10-29 09:26:57,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:26:57,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 09:26:57,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293657158] [2020-10-29 09:26:57,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 09:26:57,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:26:57,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 09:26:57,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:26:57,421 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 8 states. [2020-10-29 09:26:57,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:26:57,754 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2020-10-29 09:26:57,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 09:26:57,755 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-10-29 09:26:57,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:26:57,756 INFO L225 Difference]: With dead ends: 84 [2020-10-29 09:26:57,757 INFO L226 Difference]: Without dead ends: 63 [2020-10-29 09:26:57,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-29 09:26:57,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-29 09:26:57,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 58. [2020-10-29 09:26:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-29 09:26:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2020-10-29 09:26:57,783 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 53 [2020-10-29 09:26:57,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:26:57,787 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2020-10-29 09:26:57,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 09:26:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2020-10-29 09:26:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-29 09:26:57,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:57,789 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, 1] [2020-10-29 09:26:57,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 09:26:57,789 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:57,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:57,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1737511558, now seen corresponding path program 2 times [2020-10-29 09:26:57,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:57,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1429561049] [2020-10-29 09:26:57,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:57,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:57,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:58,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:58,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:01,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:01,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-29 09:27:01,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 09:27:01,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3868 [2020-10-29 09:27:01,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:01,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:01,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:27:01,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:27:01,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 09:27:01,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:01,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:27:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:01,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:01,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:01,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:27:01,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:01,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:27:01,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:01,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:01,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:01,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:01,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:27:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:01,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:01,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:01,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:01,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:27:01,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:01,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-29 09:27:01,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:01,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:01,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 09:27:01,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:01,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:27:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:01,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:01,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:01,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:01,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:01,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:27:01,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:01,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:01,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:01,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:01,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-29 09:27:01,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:27:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:01,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:02,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:02,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:02,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:02,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:27:02,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:02,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:02,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:02,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:02,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:27:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:02,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:02,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:02,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:02,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:02,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:27:02,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:02,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:02,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:27:02,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:27:02,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:27:02,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:27:02,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 09:27:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:02,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:02,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:02,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:02,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:02,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:27:02,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:02,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:27:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:02,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 09:27:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:02,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:02,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:02,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:02,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:02,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:27:02,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:02,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:02,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:02,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:27:02,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:02,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:02,093 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-29 09:27:02,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1429561049] [2020-10-29 09:27:02,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:27:02,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 09:27:02,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773211686] [2020-10-29 09:27:02,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:27:02,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:27:02,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:27:02,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:27:02,096 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand 9 states. [2020-10-29 09:27:02,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:27:02,558 INFO L93 Difference]: Finished difference Result 97 states and 114 transitions. [2020-10-29 09:27:02,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:27:02,559 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-10-29 09:27:02,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:27:02,560 INFO L225 Difference]: With dead ends: 97 [2020-10-29 09:27:02,560 INFO L226 Difference]: Without dead ends: 66 [2020-10-29 09:27:02,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-29 09:27:02,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-29 09:27:02,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62. [2020-10-29 09:27:02,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-29 09:27:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2020-10-29 09:27:02,583 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 72 transitions. Word has length 61 [2020-10-29 09:27:02,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:27:02,584 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 72 transitions. [2020-10-29 09:27:02,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:27:02,586 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 72 transitions. [2020-10-29 09:27:02,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-29 09:27:02,588 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:27:02,588 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, 1, 1] [2020-10-29 09:27:02,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 09:27:02,588 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:27:02,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:27:02,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1645882766, now seen corresponding path program 1 times [2020-10-29 09:27:02,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:27:02,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [860482323] [2020-10-29 09:27:02,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:27:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:02,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:04,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:04,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:05,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:05,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:05,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:07,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:07,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 09:27:07,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 09:27:07,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-29 09:27:07,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:07,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-29 09:27:07,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 09:27:07,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 09:27:07,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:27:07,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:27:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:07,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:07,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:07,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:27:07,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:07,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:27:07,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:07,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:07,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:07,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:07,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:07,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:27:08,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:27:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:08,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:08,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:08,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:27:08,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:08,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-29 09:27:08,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:08,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:08,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 09:27:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 09:27:08,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:08,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:27:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:08,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:08,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:08,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:08,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:08,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-29 09:27:08,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:08,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:27:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:27:08,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:08,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:27:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:08,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:08,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:08,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:08,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:08,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 09:27:08,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:08,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:27:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:27:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:27:08,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:08,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:27:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:09,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:09,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:09,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:09,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:09,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 09:27:09,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:09,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:09,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 09:27:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:27:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 09:27:09,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:09,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:27:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:09,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:09,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:09,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:09,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:09,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 09:27:09,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:09,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:27:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:27:09,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:27:09,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:09,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 09:27:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:09,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:09,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:09,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:09,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:09,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 09:27:09,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:09,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:09,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:27:09,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:09,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:27:09,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-29 09:27:10,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [860482323] [2020-10-29 09:27:10,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:27:10,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-29 09:27:10,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592155502] [2020-10-29 09:27:10,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-29 09:27:10,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:27:10,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-29 09:27:10,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=924, Unknown=0, NotChecked=0, Total=992 [2020-10-29 09:27:10,023 INFO L87 Difference]: Start difference. First operand 62 states and 72 transitions. Second operand 32 states. [2020-10-29 09:27:11,506 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-10-29 09:27:13,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:27:13,827 INFO L93 Difference]: Finished difference Result 107 states and 138 transitions. [2020-10-29 09:27:13,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-29 09:27:13,828 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 62 [2020-10-29 09:27:13,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:27:13,831 INFO L225 Difference]: With dead ends: 107 [2020-10-29 09:27:13,831 INFO L226 Difference]: Without dead ends: 103 [2020-10-29 09:27:13,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=203, Invalid=2347, Unknown=0, NotChecked=0, Total=2550 [2020-10-29 09:27:13,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-29 09:27:13,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 91. [2020-10-29 09:27:13,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-29 09:27:13,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2020-10-29 09:27:13,854 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 116 transitions. Word has length 62 [2020-10-29 09:27:13,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:27:13,854 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 116 transitions. [2020-10-29 09:27:13,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-29 09:27:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2020-10-29 09:27:13,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-29 09:27:13,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:27:13,856 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, 1, 1] [2020-10-29 09:27:13,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 09:27:13,856 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:27:13,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:27:13,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1215885072, now seen corresponding path program 2 times [2020-10-29 09:27:13,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:27:13,857 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062374344] [2020-10-29 09:27:13,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:27:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:13,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:14,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:14,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:14,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:17,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:18,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:18,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 09:27:18,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 09:27:18,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 09:27:18,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:18,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:18,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:27:18,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:27:18,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 09:27:18,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:18,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:27:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:18,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:18,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:18,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:27:18,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:18,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:27:18,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:18,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:18,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:18,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:18,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:18,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:18,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:27:18,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:19,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:19,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:19,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:19,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:27:19,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:19,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-29 09:27:19,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:19,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:19,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 09:27:19,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:19,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:27:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:19,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:19,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:19,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:19,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:19,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:27:19,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:19,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:19,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:19,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:19,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:19,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:27:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:19,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:19,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:19,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:19,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:19,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:27:19,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:19,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:19,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:27:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:19,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:19,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:19,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:19,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:19,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 09:27:19,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:19,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:19,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:19,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:27:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:19,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:19,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:19,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:19,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:19,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:27:19,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:19,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:19,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:27:19,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:19,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 09:27:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:19,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:19,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:19,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 09:27:19,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:19,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 09:27:19,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:19,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:27:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:27:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:27:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-29 09:27:19,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062374344] [2020-10-29 09:27:19,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:27:19,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:27:19,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997096003] [2020-10-29 09:27:19,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:27:19,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:27:19,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:27:19,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:27:19,283 INFO L87 Difference]: Start difference. First operand 91 states and 116 transitions. Second operand 10 states. [2020-10-29 09:27:19,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:27:19,776 INFO L93 Difference]: Finished difference Result 113 states and 141 transitions. [2020-10-29 09:27:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:27:19,777 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-10-29 09:27:19,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:27:19,778 INFO L225 Difference]: With dead ends: 113 [2020-10-29 09:27:19,778 INFO L226 Difference]: Without dead ends: 87 [2020-10-29 09:27:19,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-29 09:27:19,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-29 09:27:19,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-10-29 09:27:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-29 09:27:19,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2020-10-29 09:27:19,800 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 63 [2020-10-29 09:27:19,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:27:19,801 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2020-10-29 09:27:19,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:27:19,801 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2020-10-29 09:27:19,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-29 09:27:19,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:27:19,803 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, 1, 1] [2020-10-29 09:27:19,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 09:27:19,804 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:27:19,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:27:19,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1324933606, now seen corresponding path program 3 times [2020-10-29 09:27:19,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:27:19,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850059388] [2020-10-29 09:27:19,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:27:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:19,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:19,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:20,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:20,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:20,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:24,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:24,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:24,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 09:27:24,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 09:27:24,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-29 09:27:24,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:24,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:27:24,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:27:24,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-29 09:27:24,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:24,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:27:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:24,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:24,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:24,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:27:24,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:24,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:27:24,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:24,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:24,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:24,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:24,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:24,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:27:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:24,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:25,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:25,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:25,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:27:25,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:25,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-29 09:27:25,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:25,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 09:27:25,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:25,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:27:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:25,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:25,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:25,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:25,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:25,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:27:25,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:25,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:25,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:25,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:25,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:25,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:25,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:27:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:25,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:25,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:25,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:25,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:25,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:27:25,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:25,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:25,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:25,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:27:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:25,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:25,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:25,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:25,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:25,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:25,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 09:27:25,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:25,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:25,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:27:25,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:27:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:25,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:25,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:25,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:25,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:25,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:27:25,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:25,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:25,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:27:25,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:27:25,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:25,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:25,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 09:27:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:25,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:25,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:25,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:25,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:25,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:27:25,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:25,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:25,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:25,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:27:25,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:25,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 09:27:25,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850059388] [2020-10-29 09:27:25,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:27:25,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:27:25,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928866980] [2020-10-29 09:27:25,245 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:27:25,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:27:25,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:27:25,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:27:25,246 INFO L87 Difference]: Start difference. First operand 87 states and 108 transitions. Second operand 10 states. [2020-10-29 09:27:25,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:27:25,777 INFO L93 Difference]: Finished difference Result 128 states and 156 transitions. [2020-10-29 09:27:25,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:27:25,778 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-10-29 09:27:25,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:27:25,780 INFO L225 Difference]: With dead ends: 128 [2020-10-29 09:27:25,781 INFO L226 Difference]: Without dead ends: 91 [2020-10-29 09:27:25,782 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 [2020-10-29 09:27:25,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-29 09:27:25,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-10-29 09:27:25,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-29 09:27:25,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 104 transitions. [2020-10-29 09:27:25,797 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 104 transitions. Word has length 63 [2020-10-29 09:27:25,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:27:25,797 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 104 transitions. [2020-10-29 09:27:25,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:27:25,797 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2020-10-29 09:27:25,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-29 09:27:25,799 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:27:25,799 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, 1, 1] [2020-10-29 09:27:25,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 09:27:25,799 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:27:25,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:27:25,800 INFO L82 PathProgramCache]: Analyzing trace with hash 843075590, now seen corresponding path program 4 times [2020-10-29 09:27:25,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:27:25,800 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979113733] [2020-10-29 09:27:25,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:27:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:25,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:25,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:25,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:25,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:27,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:30,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:30,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 09:27:30,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 09:27:30,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 09:27:30,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:30,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:27:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:27:30,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 09:27:30,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:30,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:27:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:30,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:30,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:30,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:27:30,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:30,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:27:30,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:30,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:30,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:30,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:30,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:27:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:30,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:30,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:30,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:30,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:27:30,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:30,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-29 09:27:30,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:30,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:30,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 09:27:30,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:30,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:27:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:30,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:30,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:30,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:30,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:30,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:27:30,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:30,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:30,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:30,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:30,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:30,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:30,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:27:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:31,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:31,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:31,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:31,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:31,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:27:31,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:31,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:31,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:31,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:31,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:31,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:31,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:27:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:31,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:31,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:31,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 09:27:31,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:27:31,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:31,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:27:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:27:31,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:27:31,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:31,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:27:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:31,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:31,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:31,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:31,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:31,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:27:31,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:31,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:31,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:31,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:27:31,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:31,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:31,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 09:27:31,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:31,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:31,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:31,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:31,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:31,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:27:31,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:31,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:27:31,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:31,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:31,102 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-29 09:27:31,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979113733] [2020-10-29 09:27:31,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:27:31,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:27:31,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133986329] [2020-10-29 09:27:31,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:27:31,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:27:31,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:27:31,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:27:31,105 INFO L87 Difference]: Start difference. First operand 87 states and 104 transitions. Second operand 10 states. [2020-10-29 09:27:31,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:27:31,736 INFO L93 Difference]: Finished difference Result 126 states and 147 transitions. [2020-10-29 09:27:31,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 09:27:31,738 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-10-29 09:27:31,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:27:31,740 INFO L225 Difference]: With dead ends: 126 [2020-10-29 09:27:31,740 INFO L226 Difference]: Without dead ends: 83 [2020-10-29 09:27:31,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-29 09:27:31,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-29 09:27:31,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-29 09:27:31,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-29 09:27:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 97 transitions. [2020-10-29 09:27:31,753 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 97 transitions. Word has length 63 [2020-10-29 09:27:31,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:27:31,754 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 97 transitions. [2020-10-29 09:27:31,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:27:31,754 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2020-10-29 09:27:31,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-29 09:27:31,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:27:31,757 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:27:31,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 09:27:31,758 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:27:31,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:27:31,758 INFO L82 PathProgramCache]: Analyzing trace with hash -52869059, now seen corresponding path program 1 times [2020-10-29 09:27:31,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:27:31,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292655037] [2020-10-29 09:27:31,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:27:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:31,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:31,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:31,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:32,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:32,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:33,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:33,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:34,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:34,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:34,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:34,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:34,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:36,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:36,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:36,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:36,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:36,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-29 09:27:36,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 09:27:36,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5133 [2020-10-29 09:27:36,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:36,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 09:27:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:27:36,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-29 09:27:36,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:37,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:27:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:37,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:37,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:37,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:27:37,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:37,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:27:37,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:37,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:37,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:37,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:27:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:37,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:37,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:37,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:37,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:27:37,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:37,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 09:27:37,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:37,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 09:27:37,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:37,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:27:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:37,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:37,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:37,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:37,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:37,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:27:37,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:37,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:37,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:37,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:37,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:27:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:37,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:37,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:37,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:37,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:37,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:27:37,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:37,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:37,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:37,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:37,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:27:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:37,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:37,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:37,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:37,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:37,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:27:37,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:37,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:37,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:37,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:27:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:37,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:37,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:37,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:37,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:37,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 09:27:37,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:37,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:27:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:37,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:37,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:37,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 09:27:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:37,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:37,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:37,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:37,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:27:37,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:37,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:37,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:37,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:37,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 09:27:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:37,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:37,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:37,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:37,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:37,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:27:37,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:37,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:37,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:27:37,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:37,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:37,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-29 09:27:37,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292655037] [2020-10-29 09:27:37,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:27:37,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 09:27:37,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643169616] [2020-10-29 09:27:37,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 09:27:37,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:27:37,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 09:27:37,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-10-29 09:27:37,475 INFO L87 Difference]: Start difference. First operand 83 states and 97 transitions. Second operand 17 states. [2020-10-29 09:27:38,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:27:38,907 INFO L93 Difference]: Finished difference Result 102 states and 122 transitions. [2020-10-29 09:27:38,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 09:27:38,908 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 72 [2020-10-29 09:27:38,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:27:38,910 INFO L225 Difference]: With dead ends: 102 [2020-10-29 09:27:38,910 INFO L226 Difference]: Without dead ends: 98 [2020-10-29 09:27:38,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=145, Invalid=911, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 09:27:38,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-29 09:27:38,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 90. [2020-10-29 09:27:38,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-29 09:27:38,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 107 transitions. [2020-10-29 09:27:38,927 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 107 transitions. Word has length 72 [2020-10-29 09:27:38,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:27:38,928 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 107 transitions. [2020-10-29 09:27:38,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 09:27:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2020-10-29 09:27:38,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-29 09:27:38,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:27:38,929 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:27:38,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 09:27:38,930 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:27:38,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:27:38,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1647551610, now seen corresponding path program 5 times [2020-10-29 09:27:38,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:27:38,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584539377] [2020-10-29 09:27:38,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:27:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:38,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:39,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:39,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:40,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:43,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:43,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-29 09:27:43,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 09:27:43,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 09:27:43,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:43,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 09:27:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 09:27:43,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 09:27:43,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:44,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:27:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:44,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:44,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:44,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:27:44,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:44,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:27:44,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:44,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:44,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:44,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:44,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:27:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:44,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:44,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:44,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 09:27:44,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:44,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-29 09:27:44,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:44,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:27:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:44,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 09:27:44,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:44,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:27:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:44,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:44,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:44,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:44,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-29 09:27:44,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:44,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:27:44,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:44,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:27:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:44,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:44,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:44,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:44,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:44,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 09:27:44,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:44,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:44,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:44,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:44,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:27:44,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:27:44,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 09:27:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:44,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:44,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:44,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:44,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:44,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 09:27:44,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:44,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:44,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:44,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:44,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:27:44,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:27:44,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:27:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:44,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:44,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:44,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:44,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:44,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:44,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 09:27:44,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:44,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:44,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:44,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:44,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:44,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:27:44,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 09:27:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:44,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:44,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:44,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:44,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:44,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:44,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 09:27:44,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:44,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:44,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:44,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:44,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:27:44,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:44,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-29 09:27:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:44,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:44,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:44,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:44,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:44,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:27:44,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:44,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:44,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:44,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:27:44,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:44,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:27:44,507 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 09:27:44,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584539377] [2020-10-29 09:27:44,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:27:44,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 09:27:44,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485917585] [2020-10-29 09:27:44,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 09:27:44,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:27:44,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 09:27:44,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-29 09:27:44,513 INFO L87 Difference]: Start difference. First operand 90 states and 107 transitions. Second operand 12 states. [2020-10-29 09:27:45,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:27:45,205 INFO L93 Difference]: Finished difference Result 142 states and 174 transitions. [2020-10-29 09:27:45,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 09:27:45,205 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 72 [2020-10-29 09:27:45,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:27:45,207 INFO L225 Difference]: With dead ends: 142 [2020-10-29 09:27:45,208 INFO L226 Difference]: Without dead ends: 114 [2020-10-29 09:27:45,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-10-29 09:27:45,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-29 09:27:45,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 93. [2020-10-29 09:27:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-29 09:27:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 111 transitions. [2020-10-29 09:27:45,226 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 111 transitions. Word has length 72 [2020-10-29 09:27:45,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:27:45,226 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 111 transitions. [2020-10-29 09:27:45,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 09:27:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 111 transitions. [2020-10-29 09:27:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-29 09:27:45,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:27:45,228 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:27:45,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 09:27:45,228 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:27:45,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:27:45,228 INFO L82 PathProgramCache]: Analyzing trace with hash -940297563, now seen corresponding path program 2 times [2020-10-29 09:27:45,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:27:45,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19514709] [2020-10-29 09:27:45,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:27:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:45,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:45,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:45,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:45,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:45,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:45,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:50,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:50,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 09:27:50,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 09:27:50,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 09:27:50,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:50,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:27:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:27:50,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-29 09:27:50,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:50,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:27:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:50,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:50,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:50,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:27:50,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:50,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:27:50,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:50,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:50,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:50,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:50,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:50,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:27:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:50,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:50,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:50,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:50,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:27:50,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:50,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-29 09:27:50,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:50,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 09:27:50,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:50,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:27:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:50,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:50,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:50,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:50,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:50,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:27:50,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:50,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:50,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:50,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:50,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:50,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:50,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:27:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:50,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:50,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:50,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:50,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:50,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:27:50,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:50,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:50,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:50,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:27:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:50,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:50,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:50,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:50,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:50,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:27:50,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:50,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:50,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:50,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:27:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:50,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:50,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:50,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:50,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:50,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:27:50,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:50,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:50,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:27:50,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:50,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 09:27:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:50,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:50,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:50,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:50,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:50,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:50,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 09:27:50,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:50,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:50,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:50,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-29 09:27:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:50,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:50,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:50,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:50,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:50,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:27:50,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:50,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:27:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:27:50,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:50,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-29 09:27:50,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19514709] [2020-10-29 09:27:50,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:27:50,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:27:50,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898296671] [2020-10-29 09:27:50,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:27:50,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:27:50,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:27:50,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:27:50,635 INFO L87 Difference]: Start difference. First operand 93 states and 111 transitions. Second operand 10 states. [2020-10-29 09:27:51,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:27:51,123 INFO L93 Difference]: Finished difference Result 112 states and 131 transitions. [2020-10-29 09:27:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:27:51,124 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2020-10-29 09:27:51,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:27:51,126 INFO L225 Difference]: With dead ends: 112 [2020-10-29 09:27:51,126 INFO L226 Difference]: Without dead ends: 94 [2020-10-29 09:27:51,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-29 09:27:51,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-29 09:27:51,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2020-10-29 09:27:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-29 09:27:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 109 transitions. [2020-10-29 09:27:51,163 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 109 transitions. Word has length 73 [2020-10-29 09:27:51,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:27:51,166 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 109 transitions. [2020-10-29 09:27:51,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:27:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2020-10-29 09:27:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-29 09:27:51,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:27:51,168 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:27:51,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 09:27:51,169 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:27:51,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:27:51,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1377753564, now seen corresponding path program 6 times [2020-10-29 09:27:51,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:27:51,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245490306] [2020-10-29 09:27:51,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:27:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:51,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:51,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:51,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:51,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:52,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:52,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:56,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 104 [2020-10-29 09:27:56,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 09:27:56,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 09:27:56,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:56,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:27:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:27:56,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 09:27:56,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:56,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:27:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:56,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:56,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:27:56,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:56,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:27:56,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:56,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:56,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:56,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:56,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:56,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:27:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:56,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:56,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 09:27:56,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:56,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 09:27:56,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:56,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:56,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 09:27:56,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:56,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:27:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:56,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:56,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:56,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:27:56,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:56,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:56,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:56,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:27:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:56,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:56,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:56,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:56,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:27:56,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:56,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:56,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:56,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:56,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 09:27:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:56,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:56,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:56,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:56,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:27:56,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:56,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:56,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:56,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:56,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:27:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:56,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:56,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:56,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:56,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 09:27:56,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:56,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:56,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:56,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:56,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:27:56,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:56,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 09:27:56,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:56,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:56,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:56,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:56,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 09:27:56,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:56,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:56,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:56,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:56,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:27:56,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:56,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-29 09:27:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:56,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:56,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:56,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:56,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:27:56,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:56,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:56,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:56,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:27:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:56,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:56,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-29 09:27:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:56,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:56,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:56,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:27:56,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:56,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:27:56,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:56,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:27:56,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:56,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-29 09:27:56,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245490306] [2020-10-29 09:27:56,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:27:56,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 09:27:56,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139617267] [2020-10-29 09:27:56,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:27:56,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:27:56,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:27:56,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:27:56,546 INFO L87 Difference]: Start difference. First operand 93 states and 109 transitions. Second operand 9 states. [2020-10-29 09:27:56,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:27:56,950 INFO L93 Difference]: Finished difference Result 126 states and 144 transitions. [2020-10-29 09:27:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 09:27:56,952 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2020-10-29 09:27:56,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:27:56,953 INFO L225 Difference]: With dead ends: 126 [2020-10-29 09:27:56,953 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 09:27:56,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-29 09:27:56,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 09:27:56,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 09:27:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 09:27:56,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 09:27:56,955 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2020-10-29 09:27:56,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:27:56,955 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 09:27:56,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:27:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 09:27:56,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 09:27:56,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 09:27:56,957 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 09:27:57,499 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-10-29 09:27:57,671 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2020-10-29 09:27:57,799 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-10-29 09:27:58,042 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2020-10-29 09:27:58,511 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-10-29 09:27:58,688 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-10-29 09:27:58,711 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-29 09:27:58,711 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-29 09:27:58,711 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-29 09:27:58,711 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-29 09:27:58,712 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-29 09:27:58,712 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:27:58,712 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|)) [2020-10-29 09:27:58,712 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:27:58,712 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2020-10-29 09:27:58,713 INFO L277 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: true [2020-10-29 09:27:58,713 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2020-10-29 09:27:58,713 INFO L274 CegarLoopResult]: For program point L602(lines 602 610) no Hoare annotation was computed. [2020-10-29 09:27:58,713 INFO L277 CegarLoopResult]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2020-10-29 09:27:58,713 INFO L274 CegarLoopResult]: For program point L604-3(lines 604 608) no Hoare annotation was computed. [2020-10-29 09:27:58,713 INFO L274 CegarLoopResult]: For program point L602-2(lines 601 611) no Hoare annotation was computed. [2020-10-29 09:27:58,714 INFO L270 CegarLoopResult]: At program point dll_circular_destroyENTRY(lines 601 611) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-29 09:27:58,714 INFO L274 CegarLoopResult]: For program point dll_circular_destroyEXIT(lines 601 611) no Hoare annotation was computed. [2020-10-29 09:27:58,714 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:27:58,714 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:27:58,714 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:27:58,714 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:27:58,714 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:27:58,714 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:27:58,714 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:27:58,714 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 09:27:58,715 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 09:27:58,715 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:27:58,715 INFO L270 CegarLoopResult]: At program point L638(lines 626 645) the Hoare annotation is: false [2020-10-29 09:27:58,715 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 626 645) no Hoare annotation was computed. [2020-10-29 09:27:58,715 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 626 645) no Hoare annotation was computed. [2020-10-29 09:27:58,715 INFO L274 CegarLoopResult]: For program point L643(line 643) no Hoare annotation was computed. [2020-10-29 09:27:58,715 INFO L274 CegarLoopResult]: For program point L641(line 641) no Hoare annotation was computed. [2020-10-29 09:27:58,715 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 626 645) 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$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:27:58,716 INFO L270 CegarLoopResult]: At program point L637(line 637) the Hoare annotation is: (let ((.cse2 (* main_~len~0 2)) (.cse1 (+ main_~i~0 main_~len~0)) (.cse0 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8)))) (or (and (<= main_~len~0 2) (<= 0 main_~i~0) (= .cse0 .cse1) (= .cse2 (+ .cse0 2)) (= .cse0 main_~expected~0)) (let ((.cse3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) 8))) (and (<= 2 main_~len~0) (= .cse1 .cse3) (= (+ .cse3 1) .cse2) (= main_~expected~0 .cse3) (= .cse1 (+ .cse0 1)) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (= main_~s~0.offset 0) (<= main_~i~0 1))))) [2020-10-29 09:27:58,716 INFO L274 CegarLoopResult]: For program point L637-1(line 637) no Hoare annotation was computed. [2020-10-29 09:27:58,716 INFO L274 CegarLoopResult]: For program point L637-2(lines 637 639) no Hoare annotation was computed. [2020-10-29 09:27:58,716 INFO L270 CegarLoopResult]: At program point L633(line 633) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (<= 2 main_~len~0)) (.cse2 (* main_~len~0 2)) (.cse5 (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (.cse6 (not (= .cse1 main_~s~0.base))) (.cse7 (= main_~s~0.offset 0))) (or (let ((.cse4 (+ main_~new_data~0 2)) (.cse3 (* 2 main_~len~0))) (and (<= main_~i~0 0) (<= main_~len~0 2) .cse0 (= (+ (select (select |#memory_int| .cse1) 8) 1) .cse2) (<= .cse3 .cse4) .cse5 .cse6 (<= .cse4 (+ main_~i~0 .cse3)) .cse7)) (and .cse0 (<= main_~len~0 (+ main_~i~0 1)) (= (+ main_~new_data~0 1) .cse2) .cse5 .cse6 .cse7 (<= main_~i~0 1))))) [2020-10-29 09:27:58,716 INFO L274 CegarLoopResult]: For program point L635-2(lines 635 640) no Hoare annotation was computed. [2020-10-29 09:27:58,716 INFO L274 CegarLoopResult]: For program point L633-1(lines 631 634) no Hoare annotation was computed. [2020-10-29 09:27:58,717 INFO L270 CegarLoopResult]: At program point L635-3(lines 635 640) the Hoare annotation is: (let ((.cse5 (* main_~len~0 2)) (.cse2 (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8)))) (let ((.cse1 (<= 2 main_~len~0)) (.cse0 (<= main_~len~0 2)) (.cse3 (+ main_~i~0 main_~len~0)) (.cse4 (= .cse5 (+ .cse2 2)))) (or (and .cse0 .cse1 (= .cse2 .cse3) .cse4) (and .cse1 .cse0 (<= (+ main_~i~0 1) 0) .cse4) (and (<= 1 main_~i~0) (= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset)) 8) 1) .cse5) (= .cse3 (+ .cse2 1)) (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset)) (= main_~s~0.offset 0) (<= main_~i~0 1) .cse4)))) [2020-10-29 09:27:58,717 INFO L270 CegarLoopResult]: At program point L635-4(lines 635 640) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-29 09:27:58,717 INFO L270 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (= |old(#length)| |#length|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:27:58,717 INFO L270 CegarLoopResult]: At program point L631-2(lines 631 634) the Hoare annotation is: (let ((.cse8 (* main_~len~0 2)) (.cse9 (select (select |#memory_$Pointer$.base| main_~s~0.base) main_~s~0.offset))) (let ((.cse2 (not (= .cse9 main_~s~0.base))) (.cse4 (<= main_~i~0 1)) (.cse5 (<= main_~len~0 2)) (.cse6 (<= 2 main_~len~0)) (.cse0 (+ main_~i~0 1)) (.cse7 (= (+ (select (select |#memory_int| .cse9) 8) 1) .cse8)) (.cse1 (= 0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) main_~s~0.offset))) (.cse3 (= main_~s~0.offset 0))) (or (and (<= .cse0 main_~len~0) (<= 1 main_~i~0) (<= main_~len~0 .cse0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 (<= 0 main_~i~0) .cse7 (= (+ main_~new_data~0 1) .cse8) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 (<= .cse0 0) .cse7 .cse1 .cse3 (= .cse8 (+ (select (select |#memory_int| main_~s~0.base) (+ main_~s~0.offset 8)) 2)))))) [2020-10-29 09:27:58,717 INFO L274 CegarLoopResult]: For program point L629-1(line 629) no Hoare annotation was computed. [2020-10-29 09:27:58,717 INFO L274 CegarLoopResult]: For program point L631-3(lines 631 634) no Hoare annotation was computed. [2020-10-29 09:27:58,717 INFO L274 CegarLoopResult]: For program point dll_circular_createEXIT(lines 585 600) no Hoare annotation was computed. [2020-10-29 09:27:58,718 INFO L274 CegarLoopResult]: For program point dll_circular_createFINAL(lines 585 600) no Hoare annotation was computed. [2020-10-29 09:27:58,718 INFO L274 CegarLoopResult]: For program point L591(lines 591 593) no Hoare annotation was computed. [2020-10-29 09:27:58,718 INFO L270 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (or (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~head~0.offset 0) (= (select |#valid| dll_circular_create_~head~0.base) 1) (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base)) (<= 3 |dll_circular_create_#in~len|)) [2020-10-29 09:27:58,718 INFO L274 CegarLoopResult]: For program point L591-2(lines 591 593) no Hoare annotation was computed. [2020-10-29 09:27:58,718 INFO L274 CegarLoopResult]: For program point L589-1(line 589) no Hoare annotation was computed. [2020-10-29 09:27:58,718 INFO L270 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= dll_circular_create_~len |dll_circular_create_#in~len|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:27:58,718 INFO L270 CegarLoopResult]: At program point L588-2(lines 588 596) the Hoare annotation is: (let ((.cse1 (= dll_circular_create_~head~0.offset 0)) (.cse0 (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base))) (or (and (= (select (select |#memory_$Pointer$.offset| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset) 0) (not (= dll_circular_create_~new_head~0.base dll_circular_create_~last~0.base)) (= (select (select |#memory_$Pointer$.offset| dll_circular_create_~head~0.base) dll_circular_create_~head~0.offset) 0) (not .cse0) (not (= dll_circular_create_~new_head~0.base (select (select |#memory_$Pointer$.base| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset))) (= (+ dll_circular_create_~len 1) |dll_circular_create_#in~len|) (= dll_circular_create_~new_head~0.offset 0) .cse1 (not (= dll_circular_create_~head~0.base (select (select |#memory_$Pointer$.base| dll_circular_create_~head~0.base) dll_circular_create_~head~0.offset)))) (and (= dll_circular_create_~len |dll_circular_create_#in~len|) .cse1 (= (select |#valid| dll_circular_create_~head~0.base) 1) .cse0) (<= 3 |dll_circular_create_#in~len|))) [2020-10-29 09:27:58,719 INFO L274 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-10-29 09:27:58,719 INFO L274 CegarLoopResult]: For program point L588-3(lines 588 596) no Hoare annotation was computed. [2020-10-29 09:27:58,719 INFO L270 CegarLoopResult]: At program point dll_circular_createENTRY(lines 585 600) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:27:58,719 INFO L274 CegarLoopResult]: For program point dll_circular_update_atFINAL(lines 619 625) no Hoare annotation was computed. [2020-10-29 09:27:58,719 INFO L270 CegarLoopResult]: At program point L620-2(lines 620 623) the Hoare annotation is: (let ((.cse2 (= dll_circular_update_at_~index |dll_circular_update_at_#in~index|))) (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (let ((.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |#memory_int| |old(#memory_int)|))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 |dll_circular_update_at_#in~index|) .cse1))) (let ((.cse3 (<= (+ dll_circular_update_at_~index 1) |dll_circular_update_at_#in~index|)) (.cse4 (= |dll_circular_update_at_#in~data| dll_circular_update_at_~data))) (or (and .cse3 (<= 2 |dll_circular_update_at_#in~index|)) (and (= |dll_circular_update_at_#in~head.offset| dll_circular_update_at_~head.offset) .cse2 (= dll_circular_update_at_~head.base |dll_circular_update_at_#in~head.base|) .cse4) (let ((.cse5 (= dll_circular_update_at_~head.offset 0))) (and .cse3 (= dll_circular_update_at_~head.base (select (select |#memory_$Pointer$.base| |dll_circular_update_at_#in~head.base|) |dll_circular_update_at_#in~head.offset|)) (or (= dll_circular_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_circular_update_at_#in~head.base|) |dll_circular_update_at_#in~head.offset|)) .cse5) (or .cse4 (not .cse5)))))))) [2020-10-29 09:27:58,719 INFO L274 CegarLoopResult]: For program point L620-3(lines 620 623) no Hoare annotation was computed. [2020-10-29 09:27:58,719 INFO L274 CegarLoopResult]: For program point dll_circular_update_atEXIT(lines 619 625) no Hoare annotation was computed. [2020-10-29 09:27:58,719 INFO L270 CegarLoopResult]: At program point dll_circular_update_atENTRY(lines 619 625) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-29 09:27:58,720 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-10-29 09:27:58,720 INFO L274 CegarLoopResult]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2020-10-29 09:27:58,720 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 575 584) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:27:58,720 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2020-10-29 09:27:58,720 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2020-10-29 09:27:58,720 INFO L277 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: true [2020-10-29 09:27:58,720 INFO L274 CegarLoopResult]: For program point dll_circular_get_data_atFINAL(lines 612 618) no Hoare annotation was computed. [2020-10-29 09:27:58,720 INFO L274 CegarLoopResult]: For program point dll_circular_get_data_atEXIT(lines 612 618) no Hoare annotation was computed. [2020-10-29 09:27:58,720 INFO L277 CegarLoopResult]: At program point dll_circular_get_data_atENTRY(lines 612 618) the Hoare annotation is: true [2020-10-29 09:27:58,721 INFO L270 CegarLoopResult]: At program point L613-2(lines 613 616) the Hoare annotation is: (let ((.cse0 (= |dll_circular_get_data_at_#in~index| dll_circular_get_data_at_~index))) (and (or (<= 1 |dll_circular_get_data_at_#in~index|) .cse0) (or (let ((.cse1 (= dll_circular_get_data_at_~head.offset 0))) (and (or .cse1 (= dll_circular_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_circular_get_data_at_#in~head.base|) |dll_circular_get_data_at_#in~head.offset|))) (or (= (select (select |#memory_$Pointer$.base| |dll_circular_get_data_at_#in~head.base|) |dll_circular_get_data_at_#in~head.offset|) dll_circular_get_data_at_~head.base) (not .cse1)) (= |dll_circular_get_data_at_#in~index| (+ dll_circular_get_data_at_~index 1)))) (<= 2 |dll_circular_get_data_at_#in~index|) (and (= dll_circular_get_data_at_~head.offset |dll_circular_get_data_at_#in~head.offset|) .cse0 (= |dll_circular_get_data_at_#in~head.base| dll_circular_get_data_at_~head.base))))) [2020-10-29 09:27:58,721 INFO L274 CegarLoopResult]: For program point L613-3(lines 613 616) no Hoare annotation was computed. [2020-10-29 09:27:58,737 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,742 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,748 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,749 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,750 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,755 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,761 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,763 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,764 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,776 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,777 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,783 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,791 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,791 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,792 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,792 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,793 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,794 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,798 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,799 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,801 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,801 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,802 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,803 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,808 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,809 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,812 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,812 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,813 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,813 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,814 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,814 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:27:58 BoogieIcfgContainer [2020-10-29 09:27:58,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:27:58,821 INFO L168 Benchmark]: Toolchain (without parser) took 75345.29 ms. Allocated memory was 152.0 MB in the beginning and 815.8 MB in the end (delta: 663.7 MB). Free memory was 125.7 MB in the beginning and 544.1 MB in the end (delta: -418.5 MB). Peak memory consumption was 246.3 MB. Max. memory is 8.0 GB. [2020-10-29 09:27:58,822 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 152.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:27:58,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.45 ms. Allocated memory is still 152.0 MB. Free memory was 125.0 MB in the beginning and 102.0 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-29 09:27:58,823 INFO L168 Benchmark]: Boogie Preprocessor took 103.30 ms. Allocated memory is still 152.0 MB. Free memory was 102.0 MB in the beginning and 133.3 MB in the end (delta: -31.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. [2020-10-29 09:27:58,824 INFO L168 Benchmark]: RCFGBuilder took 773.83 ms. Allocated memory is still 152.0 MB. Free memory was 133.3 MB in the beginning and 86.1 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2020-10-29 09:27:58,828 INFO L168 Benchmark]: TraceAbstraction took 73797.12 ms. Allocated memory was 152.0 MB in the beginning and 815.8 MB in the end (delta: 663.7 MB). Free memory was 85.6 MB in the beginning and 544.1 MB in the end (delta: -458.6 MB). Peak memory consumption was 205.2 MB. Max. memory is 8.0 GB. [2020-10-29 09:27:58,834 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 152.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 656.45 ms. Allocated memory is still 152.0 MB. Free memory was 125.0 MB in the beginning and 102.0 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 103.30 ms. Allocated memory is still 152.0 MB. Free memory was 102.0 MB in the beginning and 133.3 MB in the end (delta: -31.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 773.83 ms. Allocated memory is still 152.0 MB. Free memory was 133.3 MB in the beginning and 86.1 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 73797.12 ms. Allocated memory was 152.0 MB in the beginning and 815.8 MB in the end (delta: 663.7 MB). Free memory was 85.6 MB in the beginning and 544.1 MB in the end (delta: -458.6 MB). Peak memory consumption was 205.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_$Pointer$ * 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: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 631]: Loop Invariant [2020-10-29 09:27:58,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,858 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,861 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,862 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((i + 1 <= len && 1 <= i) && len <= i + 1) && 0 == #memory_$Pointer$[s][s]) && !(#memory_$Pointer$[s][s] == s)) && s == 0) && i <= 1) || ((((((((len <= 2 && 2 <= len) && 0 <= i) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][8] + 1 == len * 2) && new_data + 1 == len * 2) && 0 == #memory_$Pointer$[s][s]) && !(#memory_$Pointer$[s][s] == s)) && s == 0) && i <= 1)) || ((((((len <= 2 && 2 <= len) && i + 1 <= 0) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][8] + 1 == len * 2) && 0 == #memory_$Pointer$[s][s]) && s == 0) && len * 2 == unknown-#memory_int-unknown[s][s + 8] + 2) - InvariantResult [Line: 620]: Loop Invariant [2020-10-29 09:27:58,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,864 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,864 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,865 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,866 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,866 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,866 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,867 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,867 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,867 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,867 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,867 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,867 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,868 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,869 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (#memory_$Pointer$ == \old(#memory_$Pointer$) && (((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index == \old(index)) || ((#memory_$Pointer$ == \old(#memory_$Pointer$) && 1 <= \old(index)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)))) && (((index + 1 <= \old(index) && 2 <= \old(index)) || (((head == head && index == \old(index)) && head == head) && \old(data) == data)) || (((index + 1 <= \old(index) && head == #memory_$Pointer$[head][head]) && (head == #memory_$Pointer$[head][head] || head == 0)) && (\old(data) == data || !(head == 0)))) - InvariantResult [Line: 613]: Loop Invariant [2020-10-29 09:27:58,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,871 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,871 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (1 <= \old(index) || \old(index) == index) && (((((head == 0 || head == #memory_$Pointer$[head][head]) && (#memory_$Pointer$[head][head] == head || !(head == 0))) && \old(index) == index + 1) || 2 <= \old(index)) || ((head == head && \old(index) == index) && head == head)) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 635]: Loop Invariant [2020-10-29 09:27:58,872 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,872 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,872 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,873 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,875 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:27:58,876 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,877 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((len <= 2 && 2 <= len) && unknown-#memory_int-unknown[s][s + 8] == i + len) && len * 2 == unknown-#memory_int-unknown[s][s + 8] + 2) || (((2 <= len && len <= 2) && i + 1 <= 0) && len * 2 == unknown-#memory_int-unknown[s][s + 8] + 2)) || ((((((1 <= i && unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][8] + 1 == len * 2) && i + len == unknown-#memory_int-unknown[s][s + 8] + 1) && 0 == #memory_$Pointer$[s][s]) && s == 0) && i <= 1) && len * 2 == unknown-#memory_int-unknown[s][s + 8] + 2) - InvariantResult [Line: 588]: Loop Invariant [2020-10-29 09:27:58,877 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,877 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,878 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,879 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:58,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:58,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:58,880 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((#memory_$Pointer$[new_head][new_head] == 0 && !(new_head == last)) && #memory_$Pointer$[head][head] == 0) && !(head == last)) && !(new_head == #memory_$Pointer$[new_head][new_head])) && len + 1 == \old(len)) && new_head == 0) && head == 0) && !(head == #memory_$Pointer$[head][head])) || (((len == \old(len) && head == 0) && \valid[head] == 1) && head == last)) || 3 <= \old(len) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 71.8s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 527 SDtfs, 753 SDslu, 2248 SDs, 0 SdLazy, 4603 SolverSat, 519 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 529 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 65 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 105 PreInvPairs, 171 NumberOfFragments, 819 HoareAnnotationTreeSize, 105 FomulaSimplifications, 2443 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 26 FomulaSimplificationsInter, 977 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 60.3s InterpolantComputationTime, 739 NumberOfCodeBlocks, 739 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 727 ConstructedInterpolants, 0 QuantifiedInterpolants, 213731 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 203/260 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...