/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 20:38:03,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 20:38:03,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 20:38:03,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 20:38:03,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 20:38:03,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 20:38:03,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 20:38:03,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 20:38:03,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 20:38:03,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 20:38:03,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 20:38:03,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 20:38:03,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 20:38:03,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 20:38:03,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 20:38:03,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 20:38:03,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 20:38:03,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 20:38:03,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 20:38:03,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 20:38:03,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 20:38:03,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 20:38:03,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 20:38:03,371 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 20:38:03,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 20:38:03,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 20:38:03,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 20:38:03,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 20:38:03,397 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 20:38:03,425 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 20:38:03,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 20:38:03,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 20:38:03,432 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 20:38:03,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 20:38:03,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 20:38:03,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 20:38:03,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 20:38:03,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 20:38:03,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 20:38:03,435 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 20:38:03,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 20:38:03,435 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 20:38:03,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 20:38:03,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 20:38:03,436 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 20:38:03,437 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 20:38:03,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 20:38:03,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 20:38:03,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 20:38:03,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 20:38:03,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 20:38:03,438 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 20:38:03,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 20:38:03,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 20:38:03,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 20:38:03,997 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 20:38:03,998 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 20:38:03,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-1.i [2021-02-21 20:38:04,100 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391dc20cb/fe87315dd7114f5a8b6c32ca241430bd/FLAG5dab27304 [2021-02-21 20:38:04,717 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 20:38:04,718 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-1.i [2021-02-21 20:38:04,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391dc20cb/fe87315dd7114f5a8b6c32ca241430bd/FLAG5dab27304 [2021-02-21 20:38:05,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/391dc20cb/fe87315dd7114f5a8b6c32ca241430bd [2021-02-21 20:38:05,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 20:38:05,080 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 20:38:05,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 20:38:05,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 20:38:05,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 20:38:05,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:38:05" (1/1) ... [2021-02-21 20:38:05,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505c0399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:05, skipping insertion in model container [2021-02-21 20:38:05,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:38:05" (1/1) ... [2021-02-21 20:38:05,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 20:38:05,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 20:38:05,251 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-1.i[308,321] [2021-02-21 20:38:05,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:38:05,285 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 20:38:05,298 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-1.i[308,321] [2021-02-21 20:38:05,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:38:05,321 INFO L208 MainTranslator]: Completed translation [2021-02-21 20:38:05,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:05 WrapperNode [2021-02-21 20:38:05,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 20:38:05,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 20:38:05,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 20:38:05,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 20:38:05,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:05" (1/1) ... [2021-02-21 20:38:05,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:05" (1/1) ... [2021-02-21 20:38:05,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:05" (1/1) ... [2021-02-21 20:38:05,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:05" (1/1) ... [2021-02-21 20:38:05,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:05" (1/1) ... [2021-02-21 20:38:05,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:05" (1/1) ... [2021-02-21 20:38:05,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:05" (1/1) ... [2021-02-21 20:38:05,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 20:38:05,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 20:38:05,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 20:38:05,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 20:38:05,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2021-02-21 20:38:05,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 20:38:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 20:38:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 20:38:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-21 20:38:05,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 20:38:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 20:38:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 20:38:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 20:38:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 20:38:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-21 20:38:05,478 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 20:38:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 20:38:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-21 20:38:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 20:38:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 20:38:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 20:38:05,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 20:38:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 20:38:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 20:38:05,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 20:38:05,821 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 20:38:05,821 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 20:38:05,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:38:05 BoogieIcfgContainer [2021-02-21 20:38:05,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 20:38:05,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 20:38:05,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 20:38:05,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 20:38:05,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 08:38:05" (1/3) ... [2021-02-21 20:38:05,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5bf47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:38:05, skipping insertion in model container [2021-02-21 20:38:05,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:05" (2/3) ... [2021-02-21 20:38:05,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5bf47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:38:05, skipping insertion in model container [2021-02-21 20:38:05,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:38:05" (3/3) ... [2021-02-21 20:38:05,834 INFO L111 eAbstractionObserver]: Analyzing ICFG nested_structure_ptr-1.i [2021-02-21 20:38:05,842 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 20:38:05,847 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 20:38:05,867 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 20:38:05,894 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 20:38:05,894 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 20:38:05,894 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 20:38:05,894 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 20:38:05,895 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 20:38:05,895 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 20:38:05,895 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 20:38:05,895 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 20:38:05,919 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2021-02-21 20:38:05,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-21 20:38:05,942 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:38:05,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:38:05,943 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:38:05,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:38:05,957 INFO L82 PathProgramCache]: Analyzing trace with hash -300592174, now seen corresponding path program 1 times [2021-02-21 20:38:05,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:38:05,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081224497] [2021-02-21 20:38:05,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:38:06,120 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:38:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:38:06,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:06,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:38:06,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:06,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 20:38:06,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:06,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 20:38:06,592 WARN L141 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-02-21 20:38:06,594 WARN L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-02-21 20:38:06,623 WARN L141 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-02-21 20:38:06,627 WARN L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-02-21 20:38:06,663 WARN L141 QuantifierPusher]: treesize reduction 10, result has 77.8 percent of original size [2021-02-21 20:38:06,666 WARN L147 QuantifierPusher]: treesize reduction 10, result has 77.8 percent of original size 35 [2021-02-21 20:38:06,704 WARN L141 QuantifierPusher]: treesize reduction 10, result has 73.0 percent of original size [2021-02-21 20:38:06,708 WARN L147 QuantifierPusher]: treesize reduction 10, result has 73.0 percent of original size 27 [2021-02-21 20:38:06,744 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size [2021-02-21 20:38:06,750 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-02-21 20:38:06,800 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size [2021-02-21 20:38:06,804 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-02-21 20:38:06,840 WARN L141 QuantifierPusher]: treesize reduction 10, result has 81.8 percent of original size [2021-02-21 20:38:06,842 WARN L147 QuantifierPusher]: treesize reduction 10, result has 81.8 percent of original size 45 [2021-02-21 20:38:06,877 WARN L141 QuantifierPusher]: treesize reduction 5, result has 91.4 percent of original size [2021-02-21 20:38:06,879 WARN L147 QuantifierPusher]: treesize reduction 5, result has 91.4 percent of original size 53 [2021-02-21 20:38:06,923 WARN L141 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size [2021-02-21 20:38:06,924 WARN L147 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size 40 [2021-02-21 20:38:06,959 WARN L141 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-02-21 20:38:06,960 WARN L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-02-21 20:38:06,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:06,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:38:07,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:07,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:38:07,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:07,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:38:07,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:38:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:38:07,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:07,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:38:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:38:07,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081224497] [2021-02-21 20:38:07,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:38:07,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-21 20:38:07,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279196327] [2021-02-21 20:38:07,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-21 20:38:07,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:38:07,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-21 20:38:07,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2021-02-21 20:38:07,156 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 17 states. [2021-02-21 20:38:07,891 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-02-21 20:38:08,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:38:08,401 INFO L93 Difference]: Finished difference Result 64 states and 63 transitions. [2021-02-21 20:38:08,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-21 20:38:08,403 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2021-02-21 20:38:08,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:38:08,411 INFO L225 Difference]: With dead ends: 64 [2021-02-21 20:38:08,411 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 20:38:08,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=199, Invalid=857, Unknown=0, NotChecked=0, Total=1056 [2021-02-21 20:38:08,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 20:38:08,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 20:38:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 20:38:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 20:38:08,445 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-02-21 20:38:08,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:38:08,445 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 20:38:08,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-21 20:38:08,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 20:38:08,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 20:38:08,446 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 20:38:08,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 20:38:09,270 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 20:38:09,270 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 20:38:09,271 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 20:38:09,271 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-21 20:38:09,271 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-21 20:38:09,271 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 20:38:09,271 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-21 20:38:09,271 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-21 20:38:09,272 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-21 20:38:09,272 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-21 20:38:09,272 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-21 20:38:09,272 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-21 20:38:09,272 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-21 20:38:09,273 INFO L192 CegarLoopUtils]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2021-02-21 20:38:09,273 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-21 20:38:09,273 INFO L192 CegarLoopUtils]: At program point __blast_assertEXIT(lines 10 13) the Hoare annotation is: true [2021-02-21 20:38:09,273 INFO L192 CegarLoopUtils]: At program point __blast_assertFINAL(lines 10 13) the Hoare annotation is: true [2021-02-21 20:38:09,273 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 10 13) the Hoare annotation is: true [2021-02-21 20:38:09,273 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-21 20:38:09,274 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 20:38:09,274 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 20:38:09,274 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-21 20:38:09,274 INFO L185 CegarLoopUtils]: At program point L33(line 33) the Hoare annotation is: (let ((.cse1 (+ |main_~#good~0.offset| 4)) (.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3)) (.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse1))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse2 (select (select |#memory_$Pointer$.base| .cse6) 4))) (and (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse1) 0) (= |main_~#inner~0.offset| 0) (= main_~ptr~0.offset 0) (= (select (select |#memory_int| .cse0) 0) 3) (not (= main_~ptr~0.base .cse2)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0) (= |main_~#good~0.offset| 0) (not (= .cse4 .cse5)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse4)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse6 .cse2)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2021-02-21 20:38:09,275 INFO L185 CegarLoopUtils]: At program point L33-1(line 33) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4))) (.cse3 (+ main_~ptr~0.offset 4)) (.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4))) (and (= |main_#t~mem7.offset| 0) (not (= |main_~#good~0.base| .cse0)) (not (= main_~ptr~0.base .cse1)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_~#inner~0.offset| 0) (= main_~ptr~0.offset 0) (= (select (select |#memory_int| .cse0) 0) 3) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3)) (not (= |main_#t~mem7.base| .cse1)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0) (= |main_~#good~0.offset| 0) (not (= .cse4 .cse5)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse4)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2021-02-21 20:38:09,275 INFO L185 CegarLoopUtils]: At program point L31(line 31) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= |main_~#good~0.offset| 0) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse0 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select (select |#memory_int| .cse0) 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))) [2021-02-21 20:38:09,275 INFO L185 CegarLoopUtils]: At program point L33-2(line 33) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse3 (+ main_~ptr~0.offset 4)) (.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (and (= |main_#t~mem7.offset| 0) (= |main_#t~mem8.offset| (select (select |#memory_$Pointer$.offset| .cse0) 4)) (not (= |main_~#good~0.base| .cse1)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_~#inner~0.offset| 0) (= main_~ptr~0.offset 0) (= (select (select |#memory_int| .cse1) 0) 3) (= |main_#t~mem7.base| .cse0) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0) (= |main_~#good~0.offset| 0) (not (= .cse4 .cse5)) (not (= |main_#t~mem8.base| main_~ptr~0.base)) (not (= |main_#t~mem8.base| .cse0)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse1 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse4)) (= |main_#t~mem8.base| (select (select |#memory_$Pointer$.base| .cse0) 4)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2021-02-21 20:38:09,276 INFO L185 CegarLoopUtils]: At program point L31-1(line 31) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= |main_~#good~0.offset| 0) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse0 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select (select |#memory_int| .cse0) 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))) [2021-02-21 20:38:09,276 INFO L185 CegarLoopUtils]: At program point L33-3(line 33) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse1 (select (select |#memory_$Pointer$.offset| .cse0) 4)) (.cse2 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= |main_#t~mem8.base| main_~ptr~0.base)) (not (= |main_#t~mem8.base| .cse0)) (= |main_#t~mem7.offset| 0) (= 0 |main_~#im~0.offset|) (= |main_#t~mem8.offset| .cse1) (= (select (select |#memory_int| .cse2) .cse1) 4) (= main_~ptr~0.offset 0) (= |main_#t~mem8.base| .cse2) (= (select |#valid| |main_~#im~0.base|) 1) (= |main_#t~mem7.base| .cse0) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-21 20:38:09,276 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: (and (= 0 |main_~#im~0.offset|) (= (select |#valid| |main_~#im~0.base|) 1)) [2021-02-21 20:38:09,277 INFO L185 CegarLoopUtils]: At program point L31-2(line 31) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4)) (.cse2 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= |main_~#good~0.offset| 0) (not (= .cse0 .cse1)) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse2)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse2 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= |main_~#inner~0.offset| 0) (= (select (select |#memory_int| .cse2) 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2021-02-21 20:38:09,277 INFO L185 CegarLoopUtils]: At program point L33-4(line 33) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2)) (.cse0 (select (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4)))) (and (= |main_#t~mem7.offset| 0) (= 0 |main_~#im~0.offset|) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| .cse1) 4)) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (= |main_#t~mem7.base| .cse1) (not (= |main_#t~mem7.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0)))) [2021-02-21 20:38:09,277 INFO L185 CegarLoopUtils]: At program point L29-1(line 29) the Hoare annotation is: (and (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= (select |#valid| |main_~#im~0.base|) 1)) [2021-02-21 20:38:09,278 INFO L185 CegarLoopUtils]: At program point L31-3(line 31) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-21 20:38:09,278 INFO L185 CegarLoopUtils]: At program point L29-2(line 29) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-21 20:38:09,278 INFO L185 CegarLoopUtils]: At program point L31-4(line 31) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-21 20:38:09,278 INFO L185 CegarLoopUtils]: At program point L29-3(line 29) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-21 20:38:09,279 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 27 36) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-21 20:38:09,279 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 27 36) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-21 20:38:09,279 INFO L185 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-21 20:38:09,280 INFO L185 CegarLoopUtils]: At program point L34-1(line 34) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-21 20:38:09,280 INFO L185 CegarLoopUtils]: At program point L34-2(line 34) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-21 20:38:09,280 INFO L185 CegarLoopUtils]: At program point L34-3(line 34) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= |main_#t~mem11| 4) (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-21 20:38:09,281 INFO L185 CegarLoopUtils]: At program point L30(line 30) the Hoare annotation is: (and (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))) [2021-02-21 20:38:09,281 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 27 36) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-21 20:38:09,281 INFO L185 CegarLoopUtils]: At program point L30-1(line 30) the Hoare annotation is: (and (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))) [2021-02-21 20:38:09,281 INFO L185 CegarLoopUtils]: At program point L34-5(line 34) the Hoare annotation is: false [2021-02-21 20:38:09,281 INFO L185 CegarLoopUtils]: At program point L30-2(line 30) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse0 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select (select |#memory_int| .cse0) 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))) [2021-02-21 20:38:09,282 INFO L185 CegarLoopUtils]: At program point L34-6(line 34) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= |main_#t~mem11| 4) (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-21 20:38:09,282 INFO L185 CegarLoopUtils]: At program point L34-7(line 34) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= (let ((.cse2 (+ |main_#t~mem9.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem9.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem9.base|) .cse2))) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-21 20:38:09,282 INFO L185 CegarLoopUtils]: At program point L30-3(line 30) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-21 20:38:09,283 INFO L185 CegarLoopUtils]: At program point L34-8(line 34) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-21 20:38:09,283 INFO L185 CegarLoopUtils]: At program point L30-4(line 30) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-21 20:38:09,283 INFO L185 CegarLoopUtils]: At program point L35(line 35) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-21 20:38:09,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,300 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-21 20:38:09,300 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,301 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,301 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,301 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-21 20:38:09,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 08:38:09 BoogieIcfgContainer [2021-02-21 20:38:09,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 20:38:09,309 INFO L168 Benchmark]: Toolchain (without parser) took 4241.16 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 120.6 MB in the beginning and 106.9 MB in the end (delta: 13.7 MB). Peak memory consumption was 88.3 MB. Max. memory is 8.0 GB. [2021-02-21 20:38:09,309 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 154.1 MB. Free memory is still 136.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 20:38:09,310 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.91 ms. Allocated memory is still 154.1 MB. Free memory was 119.5 MB in the beginning and 109.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-21 20:38:09,311 INFO L168 Benchmark]: Boogie Preprocessor took 40.16 ms. Allocated memory is still 154.1 MB. Free memory was 109.8 MB in the beginning and 108.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-21 20:38:09,312 INFO L168 Benchmark]: RCFGBuilder took 459.58 ms. Allocated memory is still 154.1 MB. Free memory was 108.3 MB in the beginning and 122.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. [2021-02-21 20:38:09,313 INFO L168 Benchmark]: TraceAbstraction took 3481.35 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 122.3 MB in the beginning and 106.9 MB in the end (delta: 15.5 MB). Peak memory consumption was 89.0 MB. Max. memory is 8.0 GB. [2021-02-21 20:38:09,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 154.1 MB. Free memory is still 136.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 240.91 ms. Allocated memory is still 154.1 MB. Free memory was 119.5 MB in the beginning and 109.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.16 ms. Allocated memory is still 154.1 MB. Free memory was 109.8 MB in the beginning and 108.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 459.58 ms. Allocated memory is still 154.1 MB. Free memory was 108.3 MB in the beginning and 122.9 MB in the end (delta: -14.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3481.35 ms. Allocated memory was 154.1 MB in the beginning and 185.6 MB in the end (delta: 31.5 MB). Free memory was 122.3 MB in the beginning and 106.9 MB in the end (delta: 15.5 MB). Peak memory consumption was 89.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 10]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 27]: Procedure Contract for main [2021-02-21 20:38:09,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-21 20:38:09,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-21 20:38:09,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-21 20:38:09,329 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:38:09,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived contract for procedure main: (((unknown-#memory_int-unknown[#memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4]][#memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4]] == 4 && ptr == 0) && !(#memory_$Pointer$[ptr][ptr + 4] == #memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4])) && !(ptr == #memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4])) && #memory_$Pointer$[ptr][ptr + 4] == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 26 SDtfs, 91 SDslu, 218 SDs, 0 SdLazy, 220 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 64 NumberOfFragments, 2431 HoareAnnotationTreeSize, 50 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 50 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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...