/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/dll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 01:22:19,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 01:22:19,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 01:22:19,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 01:22:19,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 01:22:19,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 01:22:19,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 01:22:19,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 01:22:19,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 01:22:19,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 01:22:19,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 01:22:19,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 01:22:19,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 01:22:19,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 01:22:19,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 01:22:19,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 01:22:19,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 01:22:19,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 01:22:19,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 01:22:19,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 01:22:19,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 01:22:19,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 01:22:19,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 01:22:19,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 01:22:19,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 01:22:19,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 01:22:19,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 01:22:19,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 01:22:19,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 01:22:19,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 01:22:19,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 01:22:19,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 01:22:20,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 01:22:20,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 01:22:20,003 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 01:22:20,003 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 01:22:20,004 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 01:22:20,004 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 01:22:20,005 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 01:22:20,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 01:22:20,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 01:22:20,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 01:22:20,066 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 01:22:20,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 01:22:20,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 01:22:20,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 01:22:20,072 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 01:22:20,073 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 01:22:20,073 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 01:22:20,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 01:22:20,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 01:22:20,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 01:22:20,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 01:22:20,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 01:22:20,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 01:22:20,076 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 01:22:20,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 01:22:20,076 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 01:22:20,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 01:22:20,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 01:22:20,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 01:22:20,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 01:22:20,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 01:22:20,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 01:22:20,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 01:22:20,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 01:22:20,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 01:22:20,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 01:22:20,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 01:22:20,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 01:22:20,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 01:22:20,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 01:22:20,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 01:22:20,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 01:22:20,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 01:22:20,527 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 01:22:20,528 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 01:22:20,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2020-10-27 01:22:20,607 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8ce1e103/9acb7203a6d44aa7ab23f9f825fbefc8/FLAG4de99696f [2020-10-27 01:22:21,363 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 01:22:21,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2020-10-27 01:22:21,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8ce1e103/9acb7203a6d44aa7ab23f9f825fbefc8/FLAG4de99696f [2020-10-27 01:22:21,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a8ce1e103/9acb7203a6d44aa7ab23f9f825fbefc8 [2020-10-27 01:22:21,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 01:22:21,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 01:22:21,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 01:22:21,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 01:22:21,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 01:22:21,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:22:21" (1/1) ... [2020-10-27 01:22:21,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d25eb3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:21, skipping insertion in model container [2020-10-27 01:22:21,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:22:21" (1/1) ... [2020-10-27 01:22:21,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 01:22:21,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 01:22:22,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:22:22,228 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 01:22:22,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:22:22,386 INFO L208 MainTranslator]: Completed translation [2020-10-27 01:22:22,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:22 WrapperNode [2020-10-27 01:22:22,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 01:22:22,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 01:22:22,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 01:22:22,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 01:22:22,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:22" (1/1) ... [2020-10-27 01:22:22,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:22" (1/1) ... [2020-10-27 01:22:22,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:22" (1/1) ... [2020-10-27 01:22:22,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:22" (1/1) ... [2020-10-27 01:22:22,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:22" (1/1) ... [2020-10-27 01:22:22,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:22" (1/1) ... [2020-10-27 01:22:22,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:22" (1/1) ... [2020-10-27 01:22:22,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 01:22:22,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 01:22:22,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 01:22:22,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 01:22:22,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 01:22:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 01:22:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 01:22:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 01:22:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 01:22:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 01:22:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-27 01:22:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-27 01:22:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2020-10-27 01:22:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_first [2020-10-27 01:22:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 01:22:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 01:22:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 01:22:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 01:22:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 01:22:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 01:22:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 01:22:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 01:22:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 01:22:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 01:22:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 01:22:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 01:22:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 01:22:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 01:22:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 01:22:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 01:22:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 01:22:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 01:22:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 01:22:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 01:22:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 01:22:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 01:22:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 01:22:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 01:22:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 01:22:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 01:22:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 01:22:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 01:22:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 01:22:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 01:22:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 01:22:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 01:22:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 01:22:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 01:22:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 01:22:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 01:22:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 01:22:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 01:22:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 01:22:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 01:22:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 01:22:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 01:22:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 01:22:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 01:22:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 01:22:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 01:22:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 01:22:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 01:22:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 01:22:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 01:22:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 01:22:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 01:22:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 01:22:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 01:22:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 01:22:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 01:22:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 01:22:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 01:22:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 01:22:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 01:22:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 01:22:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 01:22:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 01:22:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 01:22:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 01:22:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 01:22:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 01:22:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-27 01:22:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 01:22:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-27 01:22:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 01:22:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 01:22:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-27 01:22:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 01:22:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 01:22:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 01:22:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 01:22:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 01:22:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 01:22:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 01:22:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 01:22:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 01:22:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 01:22:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 01:22:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 01:22:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 01:22:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 01:22:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 01:22:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 01:22:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 01:22:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 01:22:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 01:22:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 01:22:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 01:22:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 01:22:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 01:22:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 01:22:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 01:22:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 01:22:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 01:22:22,630 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 01:22:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 01:22:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 01:22:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 01:22:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 01:22:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 01:22:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 01:22:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 01:22:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 01:22:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 01:22:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 01:22:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-27 01:22:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-27 01:22:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 01:22:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 01:22:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 01:22:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2020-10-27 01:22:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_first [2020-10-27 01:22:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 01:22:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 01:22:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 01:22:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 01:22:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 01:22:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 01:22:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 01:22:22,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 01:22:23,185 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-27 01:22:23,323 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 01:22:23,323 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-27 01:22:23,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:22:23 BoogieIcfgContainer [2020-10-27 01:22:23,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 01:22:23,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 01:22:23,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 01:22:23,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 01:22:23,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:22:21" (1/3) ... [2020-10-27 01:22:23,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5794e8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:22:23, skipping insertion in model container [2020-10-27 01:22:23,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:22:22" (2/3) ... [2020-10-27 01:22:23,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5794e8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:22:23, skipping insertion in model container [2020-10-27 01:22:23,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:22:23" (3/3) ... [2020-10-27 01:22:23,336 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2c_remove_all.i [2020-10-27 01:22:23,350 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 01:22:23,356 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 01:22:23,371 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 01:22:23,404 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 01:22:23,404 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 01:22:23,405 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 01:22:23,405 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 01:22:23,405 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 01:22:23,405 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 01:22:23,405 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 01:22:23,405 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 01:22:23,424 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-10-27 01:22:23,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-27 01:22:23,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:23,433 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] [2020-10-27 01:22:23,433 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:23,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:23,441 INFO L82 PathProgramCache]: Analyzing trace with hash 379255624, now seen corresponding path program 1 times [2020-10-27 01:22:23,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:23,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034662450] [2020-10-27 01:22:23,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:23,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:23,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:24,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:24,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 01:22:24,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:22:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 702 [2020-10-27 01:22:24,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:22:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:22:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 01:22:24,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 01:22:24,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:24,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:24,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:24,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:24,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:24,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 01:22:24,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:24,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:24,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:24,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:24,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:24,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:24,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:24,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:24,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 01:22:24,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:24,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-27 01:22:24,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:22:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:22:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 01:22:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:24,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:24,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:24,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:24,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:24,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:24,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 01:22:24,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:24,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:24,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:24,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:22:24,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034662450] [2020-10-27 01:22:24,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:22:24,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 01:22:24,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29948394] [2020-10-27 01:22:24,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 01:22:24,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:24,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 01:22:24,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 01:22:24,839 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 7 states. [2020-10-27 01:22:25,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:25,256 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2020-10-27 01:22:25,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 01:22:25,258 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-27 01:22:25,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:25,268 INFO L225 Difference]: With dead ends: 76 [2020-10-27 01:22:25,268 INFO L226 Difference]: Without dead ends: 42 [2020-10-27 01:22:25,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-27 01:22:25,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-27 01:22:25,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2020-10-27 01:22:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-27 01:22:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2020-10-27 01:22:25,329 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 26 [2020-10-27 01:22:25,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:25,330 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2020-10-27 01:22:25,330 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 01:22:25,330 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-10-27 01:22:25,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-27 01:22:25,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:25,333 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] [2020-10-27 01:22:25,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 01:22:25,334 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:25,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:25,335 INFO L82 PathProgramCache]: Analyzing trace with hash 2036342562, now seen corresponding path program 1 times [2020-10-27 01:22:25,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:25,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169198961] [2020-10-27 01:22:25,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:25,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:25,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:25,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:25,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 01:22:25,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:22:25,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 455 [2020-10-27 01:22:25,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 01:22:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:22:25,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-27 01:22:25,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:25,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:25,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:25,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:25,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:25,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:25,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 01:22:25,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:25,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:25,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:25,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:25,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:26,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:26,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:26,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:22:26,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:22:26,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-27 01:22:26,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:26,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:22:26,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:26,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:22:26,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:26,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:26,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:26,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:26,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:26,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:26,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 01:22:26,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:26,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:26,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:26,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:26,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:22:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:26,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:26,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:26,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:26,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:26,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 01:22:26,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:26,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 01:22:26,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169198961] [2020-10-27 01:22:26,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:22:26,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 01:22:26,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862488040] [2020-10-27 01:22:26,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:22:26,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:26,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:22:26,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:22:26,347 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 8 states. [2020-10-27 01:22:26,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:26,810 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2020-10-27 01:22:26,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 01:22:26,811 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2020-10-27 01:22:26,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:26,813 INFO L225 Difference]: With dead ends: 51 [2020-10-27 01:22:26,814 INFO L226 Difference]: Without dead ends: 45 [2020-10-27 01:22:26,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-27 01:22:26,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-27 01:22:26,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 39. [2020-10-27 01:22:26,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 01:22:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-10-27 01:22:26,838 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 36 [2020-10-27 01:22:26,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:26,839 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-10-27 01:22:26,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:22:26,839 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-10-27 01:22:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 01:22:26,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:26,841 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] [2020-10-27 01:22:26,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 01:22:26,842 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:26,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:26,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1738759929, now seen corresponding path program 1 times [2020-10-27 01:22:26,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:26,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055395470] [2020-10-27 01:22:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:26,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:26,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:27,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:27,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:31,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:31,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 01:22:31,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 01:22:31,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 01:22:31,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:22:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:22:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 01:22:31,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:31,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:31,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:31,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:31,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:31,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:31,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:22:31,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:31,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:31,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:31,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:32,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:32,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:32,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:32,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:22:32,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:22:32,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 01:22:32,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 01:22:32,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 01:22:32,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:32,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:32,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:32,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:32,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:32,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 01:22:32,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:32,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:32,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:32,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:32,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:22:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:32,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:32,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:32,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:32,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:32,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:22:32,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:32,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:32,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:32,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:32,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:32,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:22:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:32,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:32,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:32,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:32,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:32,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:22:32,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:32,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:32,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:32,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:22:32,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 01:22:32,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055395470] [2020-10-27 01:22:32,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:22:32,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 01:22:32,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242145157] [2020-10-27 01:22:32,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:22:32,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:32,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:22:32,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:22:32,213 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 8 states. [2020-10-27 01:22:32,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:32,494 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2020-10-27 01:22:32,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 01:22:32,494 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-10-27 01:22:32,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:32,496 INFO L225 Difference]: With dead ends: 48 [2020-10-27 01:22:32,496 INFO L226 Difference]: Without dead ends: 42 [2020-10-27 01:22:32,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-27 01:22:32,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-27 01:22:32,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-27 01:22:32,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-27 01:22:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2020-10-27 01:22:32,506 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 43 [2020-10-27 01:22:32,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:32,507 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2020-10-27 01:22:32,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:22:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2020-10-27 01:22:32,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-27 01:22:32,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:32,509 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 01:22:32,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 01:22:32,509 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:32,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:32,510 INFO L82 PathProgramCache]: Analyzing trace with hash 539488066, now seen corresponding path program 2 times [2020-10-27 01:22:32,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:32,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [771390185] [2020-10-27 01:22:32,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:32,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:32,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:33,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:34,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:37,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:37,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 01:22:37,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 01:22:37,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 01:22:37,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 01:22:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 01:22:37,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:22:37,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:37,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:37,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:37,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:37,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:37,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:37,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:22:37,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:37,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:37,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:37,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:37,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:37,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:37,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:38,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:38,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:22:38,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:38,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 416 [2020-10-27 01:22:38,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:38,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 01:22:38,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:38,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 01:22:38,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:38,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:38,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:38,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:38,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:38,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 01:22:38,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:22:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:38,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:22:38,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:38,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:22:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:38,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:38,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:38,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:38,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:38,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 01:22:38,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:22:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:22:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:22:38,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:38,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:22:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:38,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:38,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:38,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:38,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:38,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 01:22:38,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:38,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:22:38,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:22:38,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:22:38,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:38,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:22:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:38,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:38,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:38,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:38,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:38,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:22:38,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:38,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:38,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 01:22:38,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:38,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 01:22:38,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [771390185] [2020-10-27 01:22:38,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:22:38,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 01:22:38,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645804819] [2020-10-27 01:22:38,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 01:22:38,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:38,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 01:22:38,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=341, Unknown=0, NotChecked=0, Total=380 [2020-10-27 01:22:38,719 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 20 states. [2020-10-27 01:22:39,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:39,629 INFO L93 Difference]: Finished difference Result 71 states and 84 transitions. [2020-10-27 01:22:39,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 01:22:39,632 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 50 [2020-10-27 01:22:39,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:39,637 INFO L225 Difference]: With dead ends: 71 [2020-10-27 01:22:39,637 INFO L226 Difference]: Without dead ends: 56 [2020-10-27 01:22:39,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2020-10-27 01:22:39,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-27 01:22:39,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2020-10-27 01:22:39,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-27 01:22:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2020-10-27 01:22:39,671 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 50 [2020-10-27 01:22:39,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:39,672 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2020-10-27 01:22:39,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 01:22:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2020-10-27 01:22:39,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-27 01:22:39,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:39,676 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:22:39,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 01:22:39,676 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:39,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:39,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1048859836, now seen corresponding path program 1 times [2020-10-27 01:22:39,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:39,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57326062] [2020-10-27 01:22:39,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:39,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:40,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:40,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 01:22:40,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:40,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-27 01:22:40,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:40,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:22:40,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-27 01:22:40,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:22:40,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:40,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:40,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:40,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:40,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:40,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:40,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:22:40,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:40,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:40,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:40,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:40,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:40,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:22:40,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:40,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 01:22:40,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:40,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:22:40,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:40,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:40,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:40,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:40,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:22:40,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:40,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:22:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:40,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:40,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:40,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:40,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:22:40,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:40,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:40,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:22:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:40,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:40,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:40,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:40,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:40,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:22:40,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:40,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:40,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:40,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:40,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:22:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:40,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:40,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:40,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:40,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:40,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 01:22:40,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:22:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:40,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:40,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:40,308 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-27 01:22:40,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57326062] [2020-10-27 01:22:40,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:22:40,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 01:22:40,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134176740] [2020-10-27 01:22:40,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 01:22:40,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:40,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 01:22:40,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 01:22:40,311 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand 9 states. [2020-10-27 01:22:40,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:40,829 INFO L93 Difference]: Finished difference Result 68 states and 81 transitions. [2020-10-27 01:22:40,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 01:22:40,833 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2020-10-27 01:22:40,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:40,834 INFO L225 Difference]: With dead ends: 68 [2020-10-27 01:22:40,835 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 01:22:40,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-27 01:22:40,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 01:22:40,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2020-10-27 01:22:40,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-27 01:22:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2020-10-27 01:22:40,847 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 50 [2020-10-27 01:22:40,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:40,848 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2020-10-27 01:22:40,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 01:22:40,848 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2020-10-27 01:22:40,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-27 01:22:40,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:40,849 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 01:22:40,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 01:22:40,850 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:40,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:40,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1441886846, now seen corresponding path program 1 times [2020-10-27 01:22:40,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:40,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2068193420] [2020-10-27 01:22:40,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:40,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:43,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:43,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-27 01:22:43,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:43,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2110 [2020-10-27 01:22:43,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:43,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-27 01:22:43,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 01:22:43,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 01:22:43,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:43,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:43,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:43,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:43,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:43,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:43,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:22:43,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:43,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:43,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:43,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:43,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:43,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:43,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:43,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:43,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:22:43,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:43,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-27 01:22:43,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:43,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:22:43,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:43,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 01:22:43,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:44,184 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2020-10-27 01:22:44,451 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-10-27 01:22:44,684 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2020-10-27 01:22:44,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:44,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:44,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:44,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:44,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:44,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:22:44,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:44,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:44,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:44,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:44,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:44,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:22:44,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:44,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:44,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:44,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:44,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:44,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 01:22:44,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:44,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:44,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:44,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:44,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:44,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:22:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:44,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:44,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:44,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:44,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:44,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 01:22:44,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:22:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:22:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:22:44,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:45,216 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-10-27 01:22:45,419 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 40 [2020-10-27 01:22:45,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:22:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:45,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:45,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:45,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:45,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:45,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 01:22:45,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:22:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:22:45,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:22:45,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 01:22:45,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2068193420] [2020-10-27 01:22:45,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:22:45,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 01:22:45,633 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423606018] [2020-10-27 01:22:45,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 01:22:45,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:45,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 01:22:45,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2020-10-27 01:22:45,635 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand 17 states. [2020-10-27 01:22:46,231 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-10-27 01:22:46,790 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 60 [2020-10-27 01:22:47,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:47,078 INFO L93 Difference]: Finished difference Result 76 states and 90 transitions. [2020-10-27 01:22:47,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 01:22:47,079 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 50 [2020-10-27 01:22:47,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:47,081 INFO L225 Difference]: With dead ends: 76 [2020-10-27 01:22:47,081 INFO L226 Difference]: Without dead ends: 59 [2020-10-27 01:22:47,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2020-10-27 01:22:47,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-27 01:22:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2020-10-27 01:22:47,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-27 01:22:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2020-10-27 01:22:47,112 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 50 [2020-10-27 01:22:47,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:47,114 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2020-10-27 01:22:47,114 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 01:22:47,115 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2020-10-27 01:22:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 01:22:47,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:47,116 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:22:47,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 01:22:47,117 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:47,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:47,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1272108331, now seen corresponding path program 2 times [2020-10-27 01:22:47,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:47,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527689790] [2020-10-27 01:22:47,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:47,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:47,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:48,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:48,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 01:22:48,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:22:48,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1463 [2020-10-27 01:22:48,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:22:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:22:48,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 01:22:48,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:48,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:48,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:48,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:48,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:48,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:48,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:22:48,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:48,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:48,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:48,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:48,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:48,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:48,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 01:22:48,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:22:48,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 01:22:48,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 01:22:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:48,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:48,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:48,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:48,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:48,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:48,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:22:48,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:48,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:48,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:48,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:48,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:22:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:48,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:48,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:48,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:48,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:22:48,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:48,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:48,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:48,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:48,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 01:22:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:48,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:48,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:48,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:48,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:48,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 01:22:48,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:48,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:22:48,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:48,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:22:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:48,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:48,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:48,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:48,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:48,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:22:48,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:48,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:48,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:48,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:22:48,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:48,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 01:22:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:48,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:48,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:48,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:48,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:48,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:22:48,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:48,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 01:22:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:48,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:49,005 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-27 01:22:49,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527689790] [2020-10-27 01:22:49,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:22:49,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 01:22:49,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830143762] [2020-10-27 01:22:49,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 01:22:49,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:49,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 01:22:49,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 01:22:49,015 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand 9 states. [2020-10-27 01:22:49,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:49,254 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2020-10-27 01:22:49,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 01:22:49,255 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-10-27 01:22:49,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:49,257 INFO L225 Difference]: With dead ends: 77 [2020-10-27 01:22:49,257 INFO L226 Difference]: Without dead ends: 49 [2020-10-27 01:22:49,260 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-27 01:22:49,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-27 01:22:49,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-27 01:22:49,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-27 01:22:49,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-27 01:22:49,277 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 57 [2020-10-27 01:22:49,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:49,277 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-27 01:22:49,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 01:22:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-27 01:22:49,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-27 01:22:49,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:22:49,280 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:22:49,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 01:22:49,280 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:22:49,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:22:49,281 INFO L82 PathProgramCache]: Analyzing trace with hash -600535788, now seen corresponding path program 3 times [2020-10-27 01:22:49,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:22:49,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873823949] [2020-10-27 01:22:49,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:22:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:49,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:49,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:54,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:54,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 01:22:54,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:22:54,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5095 [2020-10-27 01:22:54,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:54,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:22:54,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:22:54,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 01:22:54,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:54,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:22:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:54,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:54,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:54,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:22:54,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:54,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:22:54,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:54,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:54,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:54,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:22:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:54,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:54,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:54,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 01:22:54,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:54,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-27 01:22:54,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:22:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:22:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 01:22:54,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:54,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:22:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:54,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:54,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:54,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:54,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:54,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:22:54,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:54,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:54,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:54,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:54,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:54,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 01:22:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:54,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:54,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:54,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:54,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:54,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:22:54,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:54,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:54,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:54,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:54,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:54,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 01:22:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:54,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:54,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:54,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:22:54,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:54,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 01:22:54,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:54,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:22:54,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:22:54,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:22:54,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:54,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:22:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:54,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:54,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:54,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:54,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:54,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:22:54,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:54,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:54,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 01:22:54,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:54,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:54,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 01:22:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:22:54,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:22:54,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:22:54,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 01:22:54,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:22:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:22:54,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:22:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:22:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 01:22:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:22:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:22:54,906 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 01:22:54,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873823949] [2020-10-27 01:22:54,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:22:54,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 01:22:54,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219329948] [2020-10-27 01:22:54,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 01:22:54,908 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:22:54,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 01:22:54,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 01:22:54,909 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 9 states. [2020-10-27 01:22:55,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:22:55,141 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions. [2020-10-27 01:22:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 01:22:55,141 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 60 [2020-10-27 01:22:55,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:22:55,142 INFO L225 Difference]: With dead ends: 53 [2020-10-27 01:22:55,142 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 01:22:55,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-27 01:22:55,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 01:22:55,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 01:22:55,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 01:22:55,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 01:22:55,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-10-27 01:22:55,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:22:55,144 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 01:22:55,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 01:22:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 01:22:55,144 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 01:22:55,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 01:22:55,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 01:22:55,467 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-10-27 01:22:55,663 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2020-10-27 01:22:55,889 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-27 01:22:55,890 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-27 01:22:55,890 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-27 01:22:55,890 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-27 01:22:55,890 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-27 01:22:55,891 INFO L274 CegarLoopResult]: For program point dll_circular_remove_firstEXIT(lines 601 613) no Hoare annotation was computed. [2020-10-27 01:22:55,891 INFO L274 CegarLoopResult]: For program point L603(lines 603 612) no Hoare annotation was computed. [2020-10-27 01:22:55,891 INFO L274 CegarLoopResult]: For program point L603-2(lines 601 613) no Hoare annotation was computed. [2020-10-27 01:22:55,891 INFO L270 CegarLoopResult]: At program point dll_circular_remove_firstENTRY(lines 601 613) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:22:55,892 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:22:55,892 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:22:55,892 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:22:55,892 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2020-10-27 01:22:55,892 INFO L277 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: true [2020-10-27 01:22:55,892 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2020-10-27 01:22:55,892 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:22:55,893 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:22:55,893 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:22:55,893 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:22:55,893 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:22:55,893 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:22:55,893 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:22:55,893 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 01:22:55,893 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 01:22:55,893 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:22:55,894 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 614 629) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:22:55,894 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 614 629) no Hoare annotation was computed. [2020-10-27 01:22:55,894 INFO L274 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-10-27 01:22:55,894 INFO L270 CegarLoopResult]: At program point L624(lines 614 629) the Hoare annotation is: false [2020-10-27 01:22:55,894 INFO L274 CegarLoopResult]: For program point L623(lines 623 625) no Hoare annotation was computed. [2020-10-27 01:22:55,894 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 614 629) no Hoare annotation was computed. [2020-10-27 01:22:55,895 INFO L270 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse11 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse8 (select |#memory_$Pointer$.base| .cse11)) (.cse9 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse7 (select .cse8 .cse9)) (.cse5 (select |#memory_$Pointer$.offset| .cse11))) (let ((.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse4 (select .cse5 .cse9)) (.cse0 (= .cse7 .cse11))) (or (let ((.cse3 (+ main_~i~0 2)) (.cse6 (+ .cse9 4))) (and (not .cse0) .cse1 .cse2 (<= .cse3 main_~len~0) (= .cse4 (select .cse5 .cse6)) (<= main_~len~0 .cse3) (= .cse7 (select .cse8 .cse6)))) (let ((.cse10 (+ main_~i~0 1))) (and .cse1 (<= .cse10 main_~len~0) .cse2 (<= main_~len~0 .cse10) (= .cse9 .cse4) .cse0))))))) [2020-10-27 01:22:55,895 INFO L274 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-10-27 01:22:55,895 INFO L270 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (and (<= main_~len~0 2) (<= 2 main_~len~0)) [2020-10-27 01:22:55,895 INFO L270 CegarLoopResult]: At program point L619-2(lines 619 622) the Hoare annotation is: (let ((.cse11 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse9 (select |#memory_$Pointer$.base| .cse11)) (.cse1 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse0 (+ main_~i~0 1)) (.cse6 (select |#memory_$Pointer$.offset| .cse11)) (.cse8 (select .cse9 .cse1))) (let ((.cse4 (= .cse8 .cse11)) (.cse2 (select .cse6 .cse1)) (.cse3 (let ((.cse10 (= main_~len~0 2))) (or (and .cse10 (= .cse11 0) (= .cse1 0)) (and .cse10 (<= .cse0 main_~len~0)))))) (or (and (<= main_~len~0 .cse0) (= .cse1 .cse2) .cse3 .cse4) (let ((.cse5 (+ main_~i~0 2)) (.cse7 (+ .cse1 4))) (and (not .cse4) (<= main_~len~0 2) (<= 2 main_~len~0) (<= .cse5 main_~len~0) (= .cse2 (select .cse6 .cse7)) (<= main_~len~0 .cse5) (= .cse8 (select .cse9 .cse7)))) (and (<= main_~len~0 main_~i~0) .cse3)))))) [2020-10-27 01:22:55,895 INFO L274 CegarLoopResult]: For program point L617-1(line 617) no Hoare annotation was computed. [2020-10-27 01:22:55,895 INFO L274 CegarLoopResult]: For program point L619-3(lines 619 622) no Hoare annotation was computed. [2020-10-27 01:22:55,896 INFO L274 CegarLoopResult]: For program point dll_circular_createEXIT(lines 585 600) no Hoare annotation was computed. [2020-10-27 01:22:55,896 INFO L274 CegarLoopResult]: For program point dll_circular_createFINAL(lines 585 600) no Hoare annotation was computed. [2020-10-27 01:22:55,896 INFO L274 CegarLoopResult]: For program point L591(lines 591 593) no Hoare annotation was computed. [2020-10-27 01:22:55,896 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 dll_circular_create_~last~0.offset) (= (select |#valid| dll_circular_create_~head~0.base) 1) (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base)) (not (<= 2 |dll_circular_create_#in~len|)) (<= 3 |dll_circular_create_#in~len|)) [2020-10-27 01:22:55,896 INFO L274 CegarLoopResult]: For program point L591-2(lines 591 593) no Hoare annotation was computed. [2020-10-27 01:22:55,896 INFO L274 CegarLoopResult]: For program point L589-1(line 589) no Hoare annotation was computed. [2020-10-27 01:22:55,896 INFO L270 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (or (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$.base)|) (= |old(#valid)| |#valid|)) (not (<= 2 |dll_circular_create_#in~len|))) [2020-10-27 01:22:55,897 INFO L270 CegarLoopResult]: At program point L588-2(lines 588 596) the Hoare annotation is: (let ((.cse0 (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base))) (or (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~head~0.offset dll_circular_create_~last~0.offset) (= (select |#valid| dll_circular_create_~head~0.base) 1) .cse0) (not (<= 2 |dll_circular_create_#in~len|)) (<= 3 |dll_circular_create_#in~len|) (let ((.cse1 (select (select |#memory_$Pointer$.base| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset)) (.cse2 (+ dll_circular_create_~head~0.offset 4))) (and (= (select (select |#memory_$Pointer$.offset| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset) dll_circular_create_~last~0.offset) (= .cse1 dll_circular_create_~last~0.base) (not .cse0) (not (= dll_circular_create_~new_head~0.base .cse1)) (= (select (store (select (store |#memory_$Pointer$.base| dll_circular_create_~last~0.base (store (select |#memory_$Pointer$.base| dll_circular_create_~last~0.base) dll_circular_create_~last~0.offset dll_circular_create_~head~0.base)) dll_circular_create_~head~0.base) .cse2 dll_circular_create_~last~0.base) dll_circular_create_~head~0.offset) dll_circular_create_~last~0.base) (= (+ dll_circular_create_~len 1) |dll_circular_create_#in~len|) (= (select (store (select (store |#memory_$Pointer$.offset| dll_circular_create_~last~0.base (store (select |#memory_$Pointer$.offset| dll_circular_create_~last~0.base) dll_circular_create_~last~0.offset dll_circular_create_~head~0.offset)) dll_circular_create_~head~0.base) .cse2 dll_circular_create_~last~0.offset) dll_circular_create_~head~0.offset) dll_circular_create_~last~0.offset) (= dll_circular_create_~new_head~0.offset 0))))) [2020-10-27 01:22:55,897 INFO L274 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-10-27 01:22:55,897 INFO L274 CegarLoopResult]: For program point L588-3(lines 588 596) no Hoare annotation was computed. [2020-10-27 01:22:55,897 INFO L270 CegarLoopResult]: At program point dll_circular_createENTRY(lines 585 600) the Hoare annotation is: (or (not (<= 2 |dll_circular_create_#in~len|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-27 01:22:55,897 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-10-27 01:22:55,897 INFO L274 CegarLoopResult]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2020-10-27 01:22:55,897 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 575 584) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:22:55,898 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2020-10-27 01:22:55,898 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2020-10-27 01:22:55,898 INFO L277 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: true [2020-10-27 01:22:55,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,919 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,919 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,919 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,926 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,979 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,981 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,983 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:55,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:55,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:55,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 01:22:55 BoogieIcfgContainer [2020-10-27 01:22:55,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 01:22:56,001 INFO L168 Benchmark]: Toolchain (without parser) took 34428.25 ms. Allocated memory was 151.0 MB in the beginning and 664.8 MB in the end (delta: 513.8 MB). Free memory was 124.9 MB in the beginning and 607.8 MB in the end (delta: -483.0 MB). Peak memory consumption was 394.9 MB. Max. memory is 8.0 GB. [2020-10-27 01:22:56,003 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 01:22:56,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.69 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 101.6 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 01:22:56,005 INFO L168 Benchmark]: Boogie Preprocessor took 76.83 ms. Allocated memory is still 151.0 MB. Free memory was 101.6 MB in the beginning and 98.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 01:22:56,005 INFO L168 Benchmark]: RCFGBuilder took 858.16 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 89.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 01:22:56,009 INFO L168 Benchmark]: TraceAbstraction took 32667.86 ms. Allocated memory was 151.0 MB in the beginning and 664.8 MB in the end (delta: 513.8 MB). Free memory was 89.4 MB in the beginning and 607.8 MB in the end (delta: -518.4 MB). Peak memory consumption was 359.3 MB. Max. memory is 8.0 GB. [2020-10-27 01:22:56,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 810.69 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 101.6 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 76.83 ms. Allocated memory is still 151.0 MB. Free memory was 101.6 MB in the beginning and 98.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 858.16 ms. Allocated memory is still 151.0 MB. Free memory was 98.8 MB in the beginning and 89.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32667.86 ms. Allocated memory was 151.0 MB in the beginning and 664.8 MB in the end (delta: 513.8 MB). Free memory was 89.4 MB in the beginning and 607.8 MB in the end (delta: -518.4 MB). Peak memory consumption was 359.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - 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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * 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: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 619]: Loop Invariant [2020-10-27 01:22:56,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,052 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,053 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,061 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,072 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((len <= i + 1 && #memory_$Pointer$[s][s] == #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s]]) && (((len == 2 && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == 0) || (len == 2 && i + 1 <= len))) && #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s]] == #memory_$Pointer$[s][s]) || ((((((!(#memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s]] == #memory_$Pointer$[s][s]) && len <= 2) && 2 <= len) && i + 2 <= len) && #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s]] == #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]) && len <= i + 2) && #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s]] == #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4])) || (len <= i && (((len == 2 && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == 0) || (len == 2 && i + 1 <= len))) - InvariantResult [Line: 588]: Loop Invariant [2020-10-27 01:22:56,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,083 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,083 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:22:56,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:22:56,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:22:56,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((len == \old(len) && head == last) && \valid[head] == 1) && head == last) || !(2 <= \old(len))) || 3 <= \old(len)) || (((((((#memory_$Pointer$[new_head][new_head] == last && #memory_$Pointer$[new_head][new_head] == last) && !(head == last)) && !(new_head == #memory_$Pointer$[new_head][new_head])) && #memory_$Pointer$[last := #memory_$Pointer$[last][last := head]][head][head + 4 := last][head] == last) && len + 1 == \old(len)) && #memory_$Pointer$[last := #memory_$Pointer$[last][last := head]][head][head + 4 := last][head] == last) && new_head == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 162 SDslu, 1241 SDs, 0 SdLazy, 1452 SolverSat, 170 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 19 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 38 PreInvPairs, 47 NumberOfFragments, 601 HoareAnnotationTreeSize, 38 FomulaSimplifications, 978 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FomulaSimplificationsInter, 233 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 26.3s InterpolantComputationTime, 372 NumberOfCodeBlocks, 372 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 138724 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 98/119 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...