/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-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 20:37:57,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 20:37:57,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 20:37:57,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 20:37:57,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 20:37:57,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 20:37:57,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 20:37:57,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 20:37:57,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 20:37:57,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 20:37:57,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 20:37:57,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 20:37:57,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 20:37:57,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 20:37:57,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 20:37:57,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 20:37:57,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 20:37:57,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 20:37:57,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 20:37:57,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 20:37:57,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 20:37:57,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 20:37:57,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 20:37:57,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 20:37:57,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 20:37:57,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 20:37:57,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 20:37:57,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 20:37:57,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 20:37:57,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 20:37:57,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 20:37:57,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 20:37:57,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 20:37:57,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 20:37:57,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 20:37:57,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 20:37:57,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 20:37:57,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 20:37:57,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 20:37:57,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 20:37:57,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 20:37:57,273 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 20:37:57,295 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 20:37:57,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 20:37:57,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 20:37:57,301 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 20:37:57,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 20:37:57,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 20:37:57,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 20:37:57,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 20:37:57,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 20:37:57,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 20:37:57,303 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 20:37:57,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 20:37:57,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 20:37:57,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 20:37:57,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 20:37:57,305 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 20:37:57,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 20:37:57,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 20:37:57,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 20:37:57,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 20:37:57,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 20:37:57,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 20:37:57,307 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 20:37:57,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 20:37:57,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 20:37:57,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 20:37:57,831 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 20:37:57,832 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 20:37:57,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure-1.i [2021-02-21 20:37:57,935 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be89be67e/3209a2e06fe44b40ab564256a1261ecf/FLAGd6003a703 [2021-02-21 20:37:58,642 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 20:37:58,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure-1.i [2021-02-21 20:37:58,650 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be89be67e/3209a2e06fe44b40ab564256a1261ecf/FLAGd6003a703 [2021-02-21 20:37:59,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be89be67e/3209a2e06fe44b40ab564256a1261ecf [2021-02-21 20:37:59,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 20:37:59,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 20:37:59,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 20:37:59,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 20:37:59,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 20:37:59,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:37:59" (1/1) ... [2021-02-21 20:37:59,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6393d7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:37:59, skipping insertion in model container [2021-02-21 20:37:59,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:37:59" (1/1) ... [2021-02-21 20:37:59,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 20:37:59,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 20:37:59,197 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-1.i[303,316] [2021-02-21 20:37:59,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:37:59,231 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 20:37:59,246 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-1.i[303,316] [2021-02-21 20:37:59,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:37:59,270 INFO L208 MainTranslator]: Completed translation [2021-02-21 20:37:59,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:37:59 WrapperNode [2021-02-21 20:37:59,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 20:37:59,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 20:37:59,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 20:37:59,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 20:37:59,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:37:59" (1/1) ... [2021-02-21 20:37:59,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:37:59" (1/1) ... [2021-02-21 20:37:59,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:37:59" (1/1) ... [2021-02-21 20:37:59,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:37:59" (1/1) ... [2021-02-21 20:37:59,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:37:59" (1/1) ... [2021-02-21 20:37:59,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:37:59" (1/1) ... [2021-02-21 20:37:59,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:37:59" (1/1) ... [2021-02-21 20:37:59,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 20:37:59,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 20:37:59,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 20:37:59,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 20:37:59,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:37:59" (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 20:37:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 20:37:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 20:37:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 20:37:59,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-21 20:37:59,427 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 20:37:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 20:37:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 20:37:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 20:37:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 20:37:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-21 20:37:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 20:37:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 20:37:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-21 20:37:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 20:37:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 20:37:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 20:37:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 20:37:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 20:37:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 20:37:59,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 20:37:59,868 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 20:37:59,870 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 20:37:59,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:37:59 BoogieIcfgContainer [2021-02-21 20:37:59,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 20:37:59,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 20:37:59,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 20:37:59,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 20:37:59,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 08:37:59" (1/3) ... [2021-02-21 20:37:59,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec8e6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:37:59, skipping insertion in model container [2021-02-21 20:37:59,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:37:59" (2/3) ... [2021-02-21 20:37:59,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec8e6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:37:59, skipping insertion in model container [2021-02-21 20:37:59,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:37:59" (3/3) ... [2021-02-21 20:37:59,888 INFO L111 eAbstractionObserver]: Analyzing ICFG nested_structure-1.i [2021-02-21 20:37:59,898 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 20:37:59,907 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 20:37:59,933 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 20:37:59,979 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 20:37:59,979 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 20:37:59,980 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 20:37:59,980 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 20:37:59,980 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 20:37:59,980 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 20:37:59,980 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 20:37:59,981 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 20:38:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2021-02-21 20:38:00,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-02-21 20:38:00,021 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:38:00,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:38:00,023 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:38:00,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:38:00,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1023130424, now seen corresponding path program 1 times [2021-02-21 20:38:00,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:38:00,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247765582] [2021-02-21 20:38:00,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:38:00,167 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:38:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:38:00,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:00,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:38:00,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:00,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-21 20:38:00,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:00,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-21 20:38:00,653 WARN L141 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-02-21 20:38:00,656 WARN L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-02-21 20:38:00,687 WARN L141 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-02-21 20:38:00,689 WARN L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-02-21 20:38:00,714 WARN L141 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size [2021-02-21 20:38:00,716 WARN L147 QuantifierPusher]: treesize reduction 5, result has 86.5 percent of original size 32 [2021-02-21 20:38:00,750 WARN L141 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size [2021-02-21 20:38:00,753 WARN L147 QuantifierPusher]: treesize reduction 5, result has 82.8 percent of original size 24 [2021-02-21 20:38:00,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:00,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-21 20:38:00,846 WARN L141 QuantifierPusher]: treesize reduction 5, result has 92.9 percent of original size [2021-02-21 20:38:00,849 WARN L147 QuantifierPusher]: treesize reduction 5, result has 92.9 percent of original size 65 [2021-02-21 20:38:00,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:00,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-21 20:38:00,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:00,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-21 20:38:00,966 WARN L141 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-02-21 20:38:00,967 WARN L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-02-21 20:38:00,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:00,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:38:01,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:01,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:38:01,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:01,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:38:01,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:38:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:38:01,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:38:01,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:38:01,130 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 20:38:01,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247765582] [2021-02-21 20:38:01,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:38:01,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-02-21 20:38:01,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288741837] [2021-02-21 20:38:01,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-21 20:38:01,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:38:01,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-21 20:38:01,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2021-02-21 20:38:01,162 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 16 states. [2021-02-21 20:38:01,761 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-02-21 20:38:02,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:38:02,218 INFO L93 Difference]: Finished difference Result 63 states and 62 transitions. [2021-02-21 20:38:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-21 20:38:02,220 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 31 [2021-02-21 20:38:02,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:38:02,228 INFO L225 Difference]: With dead ends: 63 [2021-02-21 20:38:02,229 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 20:38:02,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=178, Invalid=752, Unknown=0, NotChecked=0, Total=930 [2021-02-21 20:38:02,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 20:38:02,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 20:38:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 20:38:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 20:38:02,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-02-21 20:38:02,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:38:02,266 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 20:38:02,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-02-21 20:38:02,266 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 20:38:02,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 20:38:02,267 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 20:38:02,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 20:38:02,921 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 20:38:02,922 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 20:38:02,922 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 20:38:02,923 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-21 20:38:02,923 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-21 20:38:02,923 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 20:38:02,924 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-21 20:38:02,924 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-21 20:38:02,925 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-21 20:38:02,925 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 20:38:02,925 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-21 20:38:02,925 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-21 20:38:02,926 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-21 20:38:02,926 INFO L192 CegarLoopUtils]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) the Hoare annotation is: true [2021-02-21 20:38:02,926 INFO L192 CegarLoopUtils]: At program point L11(line 11) the Hoare annotation is: true [2021-02-21 20:38:02,927 INFO L192 CegarLoopUtils]: At program point __blast_assertEXIT(lines 9 12) the Hoare annotation is: true [2021-02-21 20:38:02,927 INFO L192 CegarLoopUtils]: At program point __blast_assertFINAL(lines 9 12) the Hoare annotation is: true [2021-02-21 20:38:02,927 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 9 12) the Hoare annotation is: true [2021-02-21 20:38:02,927 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-21 20:38:02,927 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 20:38:02,927 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 20:38:02,928 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-21 20:38:02,929 INFO L185 CegarLoopUtils]: At program point L33(line 33) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2021-02-21 20:38:02,933 INFO L185 CegarLoopUtils]: At program point L31(line 31) the Hoare annotation is: (let ((.cse4 (select |#memory_$Pointer$.base| |main_#t~mem7.base|)) (.cse1 (+ |main_~#good~0.offset| 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse3 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse1)) (.cse2 (select .cse4 (+ |main_#t~mem7.offset| 4)))) (and (= |main_#t~mem7.offset| 0) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse1) 0) (= |main_~#inner~0.offset| 0) (not (= |main_~#good~0.base| .cse2)) (= (select (select |#memory_int| .cse0) 0) 3) (= (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (select |#memory_$Pointer$.offset| .cse3)) (= (select |#memory_$Pointer$.base| .cse3) .cse4) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse0 |main_~#inner~0.base|)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse3 .cse2)) (not (= |main_~#im~0.base| |main_~#inner~0.base|))))) [2021-02-21 20:38:02,934 INFO L185 CegarLoopUtils]: At program point L31-1(line 31) the Hoare annotation is: (let ((.cse1 (+ |main_~#good~0.offset| 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse1))) (let ((.cse2 (select |#memory_$Pointer$.offset| .cse5)) (.cse3 (select |#memory_$Pointer$.base| .cse5)) (.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse4 (select |#memory_$Pointer$.base| |main_#t~mem7.base|))) (and (= |main_#t~mem7.offset| 0) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse1) 0) (= |main_~#inner~0.offset| 0) (= |main_#t~mem8.offset| (select .cse2 4)) (= (select (select |#memory_int| .cse0) 0) 3) (= (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) .cse2) (= .cse3 .cse4) (= |main_#t~mem8.base| (select .cse3 4)) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| |main_#t~mem8.base|)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse0 |main_~#inner~0.base|)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse5 (select .cse4 (+ |main_#t~mem7.offset| 4)))) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2021-02-21 20:38:02,934 INFO L185 CegarLoopUtils]: At program point L29(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|)) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))) [2021-02-21 20:38:02,935 INFO L185 CegarLoopUtils]: At program point L31-2(line 31) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse3 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse3) 4)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse3) 4))) (and (= (select (select |#memory_int| .cse0) .cse1) 4) (= |main_#t~mem8.base| .cse0) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| |main_#t~mem8.base|)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_#t~mem8.offset| .cse1) (not (= |main_#t~mem8.base| .cse3)) (= (select |#valid| |main_~#im~0.base|) 1))))) [2021-02-21 20:38:02,942 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|)) (= |main_~#inner~0.offset| 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|))) [2021-02-21 20:38:02,943 INFO L185 CegarLoopUtils]: At program point L31-3(line 31) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2021-02-21 20:38:02,943 INFO L185 CegarLoopUtils]: At program point L29-2(line 29) 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 20:38:02,943 INFO L185 CegarLoopUtils]: At program point L29-3(line 29) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2021-02-21 20:38:02,944 INFO L185 CegarLoopUtils]: At program point L29-4(line 29) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2021-02-21 20:38:02,944 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 26 34) the Hoare annotation is: true [2021-02-21 20:38:02,944 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 26 34) the Hoare annotation is: true [2021-02-21 20:38:02,944 INFO L185 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2021-02-21 20:38:02,945 INFO L185 CegarLoopUtils]: At program point L32-1(line 32) 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))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (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) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2021-02-21 20:38:02,945 INFO L185 CegarLoopUtils]: At program point L30(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|) (or (= 3 (select (select |#memory_int| |main_~#good~0.base|) |main_~#good~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 20:38:02,945 INFO L185 CegarLoopUtils]: At program point L32-2(line 32) 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))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (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) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2021-02-21 20:38:02,945 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 26 34) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-21 20:38:02,946 INFO L185 CegarLoopUtils]: At program point L30-1(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|) (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 20:38:02,946 INFO L185 CegarLoopUtils]: At program point L32-3(line 32) 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))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (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) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2021-02-21 20:38:02,946 INFO L185 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: (and (= 0 |main_~#im~0.offset|) (= (select |#valid| |main_~#im~0.base|) 1)) [2021-02-21 20:38:02,947 INFO L185 CegarLoopUtils]: At program point L30-2(line 30) 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 (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 20:38:02,947 INFO L185 CegarLoopUtils]: At program point L28-1(line 28) 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 20:38:02,947 INFO L185 CegarLoopUtils]: At program point L32-5(line 32) the Hoare annotation is: false [2021-02-21 20:38:02,947 INFO L185 CegarLoopUtils]: At program point L30-3(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2021-02-21 20:38:02,947 INFO L185 CegarLoopUtils]: At program point L32-6(line 32) 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))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (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) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= (select |#valid| |main_~#im~0.base|) 1) (= 0 |main_#t~mem9.offset|))))) [2021-02-21 20:38:02,948 INFO L185 CegarLoopUtils]: At program point L28-2(line 28) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2021-02-21 20:38:02,948 INFO L185 CegarLoopUtils]: At program point L30-4(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2021-02-21 20:38:02,949 INFO L185 CegarLoopUtils]: At program point L32-7(line 32) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| |main_#t~mem10.base|) |main_#t~mem10.offset|) 4) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2021-02-21 20:38:02,949 INFO L185 CegarLoopUtils]: At program point L28-3(line 28) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0))))) [2021-02-21 20:38:02,950 INFO L185 CegarLoopUtils]: At program point L32-8(line 32) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (= |main_#t~mem11| 4) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= (select |#valid| |main_~#im~0.base|) 1))))) [2021-02-21 20:38:02,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 08:38:02 BoogieIcfgContainer [2021-02-21 20:38:02,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 20:38:02,967 INFO L168 Benchmark]: Toolchain (without parser) took 3951.62 ms. Allocated memory was 167.8 MB in the beginning and 229.6 MB in the end (delta: 61.9 MB). Free memory was 145.0 MB in the beginning and 159.9 MB in the end (delta: -14.9 MB). Peak memory consumption was 126.9 MB. Max. memory is 8.0 GB. [2021-02-21 20:38:02,969 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 167.8 MB. Free memory was 140.3 MB in the beginning and 140.0 MB in the end (delta: 227.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 20:38:02,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.00 ms. Allocated memory is still 167.8 MB. Free memory was 143.9 MB in the beginning and 134.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-21 20:38:02,971 INFO L168 Benchmark]: Boogie Preprocessor took 38.64 ms. Allocated memory is still 167.8 MB. Free memory was 134.4 MB in the beginning and 132.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-21 20:38:02,973 INFO L168 Benchmark]: RCFGBuilder took 561.63 ms. Allocated memory is still 167.8 MB. Free memory was 132.7 MB in the beginning and 150.2 MB in the end (delta: -17.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 8.0 GB. [2021-02-21 20:38:02,979 INFO L168 Benchmark]: TraceAbstraction took 3083.69 ms. Allocated memory was 167.8 MB in the beginning and 229.6 MB in the end (delta: 61.9 MB). Free memory was 149.6 MB in the beginning and 159.9 MB in the end (delta: -10.3 MB). Peak memory consumption was 131.2 MB. Max. memory is 8.0 GB. [2021-02-21 20:38:02,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 167.8 MB. Free memory was 140.3 MB in the beginning and 140.0 MB in the end (delta: 227.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 245.00 ms. Allocated memory is still 167.8 MB. Free memory was 143.9 MB in the beginning and 134.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 38.64 ms. Allocated memory is still 167.8 MB. Free memory was 134.4 MB in the beginning and 132.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 561.63 ms. Allocated memory is still 167.8 MB. Free memory was 132.7 MB in the beginning and 150.2 MB in the end (delta: -17.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3083.69 ms. Allocated memory was 167.8 MB in the beginning and 229.6 MB in the end (delta: 61.9 MB). Free memory was 149.6 MB in the beginning and 159.9 MB in the end (delta: -10.3 MB). Peak memory consumption was 131.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 11]: 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: 9]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 26]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 77 SDslu, 194 SDs, 0 SdLazy, 201 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 49 LocationsWithAnnotation, 49 PreInvPairs, 63 NumberOfFragments, 2013 HoareAnnotationTreeSize, 49 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.4s 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...