/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/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 20:38:54,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 20:38:54,861 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 20:38:54,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 20:38:54,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 20:38:54,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 20:38:54,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 20:38:54,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 20:38:54,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 20:38:54,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 20:38:54,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 20:38:54,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 20:38:54,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 20:38:54,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 20:38:54,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 20:38:54,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 20:38:54,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 20:38:54,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 20:38:54,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 20:38:54,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 20:38:54,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 20:38:54,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 20:38:54,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 20:38:54,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 20:38:54,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 20:38:54,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 20:38:54,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 20:38:54,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 20:38:54,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 20:38:54,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 20:38:54,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 20:38:54,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 20:38:54,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 20:38:54,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 20:38:54,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 20:38:54,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 20:38:54,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 20:38:54,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 20:38:54,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 20:38:54,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 20:38:54,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 20:38:54,970 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 20:38:54,984 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 20:38:54,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 20:38:54,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 20:38:54,987 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 20:38:54,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 20:38:54,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 20:38:54,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 20:38:54,988 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 20:38:54,988 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 20:38:54,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 20:38:54,989 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 20:38:54,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 20:38:54,989 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 20:38:54,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 20:38:54,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 20:38:54,990 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 20:38:54,991 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 20:38:54,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 20:38:54,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 20:38:54,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 20:38:54,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 20:38:54,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 20:38:54,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 20:38:55,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 20:38:55,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 20:38:55,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 20:38:55,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 20:38:55,469 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 20:38:55,471 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2021-02-21 20:38:55,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7ebb52c/67303701130a4ec49155c9fef54b5537/FLAGedf0086ab [2021-02-21 20:38:56,336 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 20:38:56,339 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2021-02-21 20:38:56,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7ebb52c/67303701130a4ec49155c9fef54b5537/FLAGedf0086ab [2021-02-21 20:38:56,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f7ebb52c/67303701130a4ec49155c9fef54b5537 [2021-02-21 20:38:56,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 20:38:56,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 20:38:56,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 20:38:56,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 20:38:56,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 20:38:56,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:38:56" (1/1) ... [2021-02-21 20:38:56,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fce58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:56, skipping insertion in model container [2021-02-21 20:38:56,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:38:56" (1/1) ... [2021-02-21 20:38:56,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 20:38:56,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 20:38:56,942 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/test19.c[647,660] [2021-02-21 20:38:56,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:38:56,966 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 20:38:56,984 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/test19.c[647,660] [2021-02-21 20:38:56,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:38:57,005 INFO L208 MainTranslator]: Completed translation [2021-02-21 20:38:57,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57 WrapperNode [2021-02-21 20:38:57,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 20:38:57,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 20:38:57,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 20:38:57,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 20:38:57,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ... [2021-02-21 20:38:57,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ... [2021-02-21 20:38:57,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ... [2021-02-21 20:38:57,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ... [2021-02-21 20:38:57,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ... [2021-02-21 20:38:57,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ... [2021-02-21 20:38:57,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (1/1) ... [2021-02-21 20:38:57,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 20:38:57,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 20:38:57,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 20:38:57,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 20:38:57,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (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 20:38:57,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 20:38:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 20:38:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 20:38:57,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2021-02-21 20:38:57,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 20:38:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 20:38:57,175 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 20:38:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 20:38:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 20:38:57,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 20:38:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2021-02-21 20:38:57,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 20:38:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 20:38:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 20:38:57,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 20:38:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 20:38:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-21 20:38:57,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 20:38:57,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 20:38:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 20:38:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 20:38:57,750 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 20:38:57,750 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 20:38:57,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:38:57 BoogieIcfgContainer [2021-02-21 20:38:57,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 20:38:57,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 20:38:57,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 20:38:57,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 20:38:57,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 08:38:56" (1/3) ... [2021-02-21 20:38:57,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83ed0e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:38:57, skipping insertion in model container [2021-02-21 20:38:57,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:38:57" (2/3) ... [2021-02-21 20:38:57,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@83ed0e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:38:57, skipping insertion in model container [2021-02-21 20:38:57,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:38:57" (3/3) ... [2021-02-21 20:38:57,766 INFO L111 eAbstractionObserver]: Analyzing ICFG test19.c [2021-02-21 20:38:57,775 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 20:38:57,781 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 20:38:57,801 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 20:38:57,828 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 20:38:57,828 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 20:38:57,829 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 20:38:57,829 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 20:38:57,829 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 20:38:57,829 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 20:38:57,829 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 20:38:57,829 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 20:38:57,847 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2021-02-21 20:38:57,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-02-21 20:38:57,858 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:38:57,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:38:57,860 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:38:57,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:38:57,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1968677315, now seen corresponding path program 1 times [2021-02-21 20:38:57,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:38:57,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194431878] [2021-02-21 20:38:57,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:38:57,966 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:38:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:38:58,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:38:58,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 20:38:58,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:38:58,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:38:58,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-21 20:38:58,543 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-02-21 20:38:58,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-21 20:38:58,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:38:58,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:38:58,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:38:58,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:38:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:38:58,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:38:58,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-02-21 20:38:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:38:58,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-21 20:38:58,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-21 20:38:58,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 20:38:58,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:58,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-21 20:38:59,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:59,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-21 20:38:59,115 WARN L141 QuantifierPusher]: treesize reduction 8, result has 87.3 percent of original size [2021-02-21 20:38:59,118 WARN L147 QuantifierPusher]: treesize reduction 8, result has 87.3 percent of original size 55 [2021-02-21 20:38:59,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:59,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-21 20:38:59,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:59,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-02-21 20:38:59,397 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 20:38:59,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194431878] [2021-02-21 20:38:59,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:38:59,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-21 20:38:59,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703723760] [2021-02-21 20:38:59,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-21 20:38:59,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:38:59,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-21 20:38:59,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2021-02-21 20:38:59,429 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 19 states. [2021-02-21 20:39:00,813 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-21 20:39:00,971 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-02-21 20:39:01,146 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-02-21 20:39:01,320 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-02-21 20:39:01,482 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-02-21 20:39:01,827 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-02-21 20:39:02,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:39:02,327 INFO L93 Difference]: Finished difference Result 74 states and 73 transitions. [2021-02-21 20:39:02,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-21 20:39:02,330 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 44 [2021-02-21 20:39:02,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:39:02,337 INFO L225 Difference]: With dead ends: 74 [2021-02-21 20:39:02,337 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 20:39:02,342 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=203, Invalid=1203, Unknown=0, NotChecked=0, Total=1406 [2021-02-21 20:39:02,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 20:39:02,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 20:39:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 20:39:02,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 20:39:02,370 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2021-02-21 20:39:02,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:39:02,371 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 20:39:02,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-21 20:39:02,371 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 20:39:02,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 20:39:02,372 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 20:39:02,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 20:39:02,971 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 34 [2021-02-21 20:39:03,587 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 47 [2021-02-21 20:39:03,730 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-02-21 20:39:04,137 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 30 [2021-02-21 20:39:04,288 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2021-02-21 20:39:04,451 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2021-02-21 20:39:04,488 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 20:39:04,488 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 20:39:04,489 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 20:39:04,489 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-21 20:39:04,490 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-21 20:39:04,490 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 20:39:04,490 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-21 20:39:04,490 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-21 20:39:04,490 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-21 20:39:04,491 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-21 20:39:04,491 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-21 20:39:04,491 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-21 20:39:04,491 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-21 20:39:04,491 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-21 20:39:04,491 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 20:39:04,492 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 20:39:04,492 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-21 20:39:04,492 INFO L185 CegarLoopUtils]: At program point L25(line 25) the Hoare annotation is: false [2021-02-21 20:39:04,492 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 13 26) the Hoare annotation is: true [2021-02-21 20:39:04,492 INFO L185 CegarLoopUtils]: At program point L19(lines 13 26) the Hoare annotation is: false [2021-02-21 20:39:04,493 INFO L185 CegarLoopUtils]: At program point L17(line 17) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2021-02-21 20:39:04,493 INFO L185 CegarLoopUtils]: At program point L15(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,493 INFO L185 CegarLoopUtils]: At program point L15-1(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,493 INFO L185 CegarLoopUtils]: At program point L15-2(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,494 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 13 26) the Hoare annotation is: true [2021-02-21 20:39:04,494 INFO L185 CegarLoopUtils]: At program point L15-3(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,494 INFO L192 CegarLoopUtils]: At program point L15-4(line 15) the Hoare annotation is: true [2021-02-21 20:39:04,494 INFO L192 CegarLoopUtils]: At program point L15-5(line 15) the Hoare annotation is: true [2021-02-21 20:39:04,494 INFO L185 CegarLoopUtils]: At program point L15-6(line 15) the Hoare annotation is: false [2021-02-21 20:39:04,494 INFO L185 CegarLoopUtils]: At program point L15-7(line 15) the Hoare annotation is: false [2021-02-21 20:39:04,495 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 24) the Hoare annotation is: false [2021-02-21 20:39:04,495 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 13 26) 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|)) [2021-02-21 20:39:04,495 INFO L185 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: false [2021-02-21 20:39:04,495 INFO L185 CegarLoopUtils]: At program point L22(line 22) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2021-02-21 20:39:04,496 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))) (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_#t~mem12| .cse0) (= (select |#valid| |main_~#a~0.base|) 1) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) [2021-02-21 20:39:04,496 INFO L185 CegarLoopUtils]: At program point L18-1(lines 18 20) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))) (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_#t~mem12| |main_#t~mem13|) (= |main_#t~mem12| .cse0) (= (select |#valid| |main_~#a~0.base|) 1) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) [2021-02-21 20:39:04,496 INFO L185 CegarLoopUtils]: At program point L16(line 16) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,496 INFO L185 CegarLoopUtils]: At program point L18-2(line 18) the Hoare annotation is: false [2021-02-21 20:39:04,497 INFO L185 CegarLoopUtils]: At program point L16-1(line 16) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,497 INFO L185 CegarLoopUtils]: At program point L18-3(line 18) the Hoare annotation is: false [2021-02-21 20:39:04,497 INFO L185 CegarLoopUtils]: At program point L14(line 14) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,497 INFO L185 CegarLoopUtils]: At program point L16-2(line 16) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.offset|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,497 INFO L185 CegarLoopUtils]: At program point L18-4(line 18) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))) (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_#t~mem12| |main_#t~mem13|) (= |main_#t~mem12| .cse0) (= (select |#valid| |main_~#a~0.base|) 1) (= .cse0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)))) [2021-02-21 20:39:04,498 INFO L185 CegarLoopUtils]: At program point L14-1(line 14) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,498 INFO L185 CegarLoopUtils]: At program point L16-3(line 16) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.offset|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,498 INFO L185 CegarLoopUtils]: At program point L18-5(line 18) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2021-02-21 20:39:04,498 INFO L185 CegarLoopUtils]: At program point L14-2(line 14) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,499 INFO L185 CegarLoopUtils]: At program point L16-4(line 16) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|))) (and (= (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= .cse0 |main_~#a~0.base|) (= .cse1 |main_~#b~0.base|) (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.offset|) (= (select |#valid| |main_~#a~0.base|) 1) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= .cse1 .cse0)))) [2021-02-21 20:39:04,499 INFO L185 CegarLoopUtils]: At program point L14-3(line 14) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2021-02-21 20:39:04,499 INFO L192 CegarLoopUtils]: At program point L16-5(line 16) the Hoare annotation is: true [2021-02-21 20:39:04,499 INFO L185 CegarLoopUtils]: At program point L14-4(line 14) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) [2021-02-21 20:39:04,500 INFO L192 CegarLoopUtils]: At program point L16-6(line 16) the Hoare annotation is: true [2021-02-21 20:39:04,500 INFO L192 CegarLoopUtils]: At program point L16-7(line 16) the Hoare annotation is: true [2021-02-21 20:39:04,500 INFO L185 CegarLoopUtils]: At program point L14-5(line 14) the Hoare annotation is: false [2021-02-21 20:39:04,500 INFO L192 CegarLoopUtils]: At program point L16-8(line 16) the Hoare annotation is: true [2021-02-21 20:39:04,500 INFO L185 CegarLoopUtils]: At program point L14-6(line 14) the Hoare annotation is: false [2021-02-21 20:39:04,500 INFO L185 CegarLoopUtils]: At program point L16-9(line 16) the Hoare annotation is: false [2021-02-21 20:39:04,500 INFO L185 CegarLoopUtils]: At program point L16-10(line 16) the Hoare annotation is: false [2021-02-21 20:39:04,501 INFO L185 CegarLoopUtils]: At program point L16-11(line 16) the Hoare annotation is: false [2021-02-21 20:39:04,501 INFO L185 CegarLoopUtils]: At program point L16-12(line 16) the Hoare annotation is: false [2021-02-21 20:39:04,501 INFO L185 CegarLoopUtils]: At program point assignEXIT(lines 7 11) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse0 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (or (= (select (select |#memory_int| .cse0) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| .cse1) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= .cse1 .cse0))) [2021-02-21 20:39:04,501 INFO L185 CegarLoopUtils]: At program point assignENTRY(lines 7 11) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2021-02-21 20:39:04,501 INFO L185 CegarLoopUtils]: At program point assignFINAL(lines 7 11) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse0 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (or (= (select (select |#memory_int| .cse0) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| .cse1) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= .cse1 .cse0))) [2021-02-21 20:39:04,502 INFO L185 CegarLoopUtils]: At program point L10(line 10) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.offset) (= (select (select |#memory_$Pointer$.offset| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) assign_~pb~0.offset) (= assign_~pb~0.base (select (select |#memory_$Pointer$.base| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset)) [2021-02-21 20:39:04,502 INFO L185 CegarLoopUtils]: At program point L9(line 9) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset)) [2021-02-21 20:39:04,502 INFO L185 CegarLoopUtils]: At program point L10-1(line 10) the Hoare annotation is: (let ((.cse1 (select (select |#memory_$Pointer$.offset| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse0 (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse2 (select (select |#memory_$Pointer$.base| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= .cse0 assign_~pa~0.base) (= (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.offset) (= .cse1 assign_~pb~0.offset) (= assign_~pb~0.base .cse2) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (= (select (select (store |#memory_int| assign_~pa~0.base (store (select |#memory_int| assign_~pa~0.base) assign_~pa~0.offset |assign_#t~mem9|)) .cse2) .cse1) |assign_#t~mem9|) (= .cse0 .cse2)) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset))) [2021-02-21 20:39:04,503 INFO L185 CegarLoopUtils]: At program point L8(line 8) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset)) [2021-02-21 20:39:04,503 INFO L185 CegarLoopUtils]: At program point L9-1(line 9) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.base| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem8.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= (select (select |#memory_$Pointer$.offset| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) |assign_#t~mem8.offset|) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset)) [2021-02-21 20:39:04,503 INFO L185 CegarLoopUtils]: At program point L10-2(line 10) the Hoare annotation is: (let ((.cse1 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse0 (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (or (= (select (select |#memory_int| .cse0) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| .cse1) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (= .cse1 .cse0))) [2021-02-21 20:39:04,503 INFO L185 CegarLoopUtils]: At program point L7(lines 7 11) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppa.base| assign_~ppa.base)) [2021-02-21 20:39:04,504 INFO L185 CegarLoopUtils]: At program point L8-1(line 8) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) |assign_#t~mem7.base|) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#t~mem7.offset| (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset)) [2021-02-21 20:39:04,504 INFO L185 CegarLoopUtils]: At program point L9-2(line 9) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (.cse1 (select (select |#memory_$Pointer$.offset| |assign_#in~ppb.base|) |assign_#in~ppb.offset|))) (and (= .cse0 |assign_#t~mem8.base|) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.base) (= (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|) assign_~pa~0.offset) (= assign_~pb~0.base .cse0) (= |assign_#in~ppa.base| assign_~ppa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= .cse1 |assign_#t~mem8.offset|) (= .cse1 assign_~pb~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#in~ppb.offset| assign_~ppb.offset))) [2021-02-21 20:39:04,504 INFO L185 CegarLoopUtils]: At program point L8-2(line 8) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (.cse1 (select (select |#memory_$Pointer$.offset| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign_#in~ppb.base| assign_~ppb.base) (= .cse0 |assign_#t~mem7.base|) (= |#memory_int| |old(#memory_int)|) (= assign_~ppa.offset |assign_#in~ppa.offset|) (= .cse0 assign_~pa~0.base) (= .cse1 assign_~pa~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign_#t~mem7.offset| .cse1) (= |assign_#in~ppa.base| assign_~ppa.base) (= |assign_#in~ppb.offset| assign_~ppb.offset))) [2021-02-21 20:39:04,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:39:04,522 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-21 20:39:04,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:39:04,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-21 20:39:04,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:39:04,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:39:04,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 08:39:04 BoogieIcfgContainer [2021-02-21 20:39:04,529 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 20:39:04,531 INFO L168 Benchmark]: Toolchain (without parser) took 7846.64 ms. Allocated memory was 155.2 MB in the beginning and 201.3 MB in the end (delta: 46.1 MB). Free memory was 131.6 MB in the beginning and 90.7 MB in the end (delta: 40.8 MB). Peak memory consumption was 112.1 MB. Max. memory is 8.0 GB. [2021-02-21 20:39:04,532 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 155.2 MB. Free memory is still 129.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 20:39:04,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.86 ms. Allocated memory is still 155.2 MB. Free memory was 130.5 MB in the beginning and 121.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-21 20:39:04,534 INFO L168 Benchmark]: Boogie Preprocessor took 43.17 ms. Allocated memory is still 155.2 MB. Free memory was 121.0 MB in the beginning and 119.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-21 20:39:04,535 INFO L168 Benchmark]: RCFGBuilder took 701.80 ms. Allocated memory is still 155.2 MB. Free memory was 119.3 MB in the beginning and 99.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-21 20:39:04,536 INFO L168 Benchmark]: TraceAbstraction took 6773.32 ms. Allocated memory was 155.2 MB in the beginning and 201.3 MB in the end (delta: 46.1 MB). Free memory was 98.8 MB in the beginning and 90.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 78.6 MB. Max. memory is 8.0 GB. [2021-02-21 20:39:04,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 155.2 MB. Free memory is still 129.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 306.86 ms. Allocated memory is still 155.2 MB. Free memory was 130.5 MB in the beginning and 121.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 43.17 ms. Allocated memory is still 155.2 MB. Free memory was 121.0 MB in the beginning and 119.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 701.80 ms. Allocated memory is still 155.2 MB. Free memory was 119.3 MB in the beginning and 99.2 MB in the end (delta: 20.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6773.32 ms. Allocated memory was 155.2 MB in the beginning and 201.3 MB in the end (delta: 46.1 MB). Free memory was 98.8 MB in the beginning and 90.7 MB in the end (delta: 8.1 MB). Peak memory consumption was 78.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: 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 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 7]: Procedure Contract for assign [2021-02-21 20:39:04,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:39:04,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-21 20:39:04,549 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:39:04,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-21 20:39:04,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:39:04,550 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:39:04,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:39:04,551 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-21 20:39:04,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:39:04,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-21 20:39:04,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-21 20:39:04,552 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base Derived contract for procedure assign: unknown-#memory_int-unknown[\old(#memory_$Pointer$)[ppb][ppb]][\old(#memory_$Pointer$)[ppb][ppb]] == unknown-#memory_int-unknown[\old(#memory_$Pointer$)[ppa][ppa]][\old(#memory_$Pointer$)[ppa][ppa]] || \old(#memory_$Pointer$)[ppa][ppa] == \old(#memory_$Pointer$)[ppb][ppb] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 88 SDslu, 210 SDs, 0 SdLazy, 475 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred 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, 70 LocationsWithAnnotation, 70 PreInvPairs, 74 NumberOfFragments, 1084 HoareAnnotationTreeSize, 70 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 70 FomulaSimplificationsInter, 507 FormulaSimplificationTreeSizeReductionInter, 1.9s 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...