/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:04:32,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:04:32,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:04:32,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:04:32,900 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 23:04:32,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 23:04:32,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 23:04:32,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 23:04:32,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 23:04:32,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 23:04:32,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 23:04:32,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 23:04:32,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 23:04:32,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 23:04:32,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 23:04:32,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 23:04:32,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 23:04:32,972 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 23:04:32,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 23:04:32,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 23:04:32,975 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:04:32,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:04:33,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:04:33,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:04:33,004 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:04:33,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:04:33,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:04:33,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:04:33,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:04:33,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:04:33,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:04:33,007 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:04:33,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:04:33,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:04:33,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:04:33,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:04:33,008 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:04:33,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:04:33,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:04:33,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:04:33,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:04:33,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:04:33,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:04:33,010 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:04:33,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:04:33,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:04:33,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:04:33,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:04:33,488 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:04:33,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i [2021-02-23 23:04:33,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285d335ab/ae0ea403604341e9a844b00dc99820e4/FLAGf7ba400db [2021-02-23 23:04:34,234 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:04:34,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i [2021-02-23 23:04:34,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285d335ab/ae0ea403604341e9a844b00dc99820e4/FLAGf7ba400db [2021-02-23 23:04:34,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/285d335ab/ae0ea403604341e9a844b00dc99820e4 [2021-02-23 23:04:34,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:04:34,288 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:04:34,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:04:34,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:04:34,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:04:34,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:04:34" (1/1) ... [2021-02-23 23:04:34,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c56ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:04:34, skipping insertion in model container [2021-02-23 23:04:34,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:04:34" (1/1) ... [2021-02-23 23:04:34,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:04:34,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:04:34,529 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i[822,835] [2021-02-23 23:04:34,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:04:34,557 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:04:34,573 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i[822,835] [2021-02-23 23:04:34,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:04:34,597 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:04:34,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:04:34 WrapperNode [2021-02-23 23:04:34,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:04:34,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:04:34,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:04:34,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:04:34,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:04:34" (1/1) ... [2021-02-23 23:04:34,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:04:34" (1/1) ... [2021-02-23 23:04:34,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:04:34" (1/1) ... [2021-02-23 23:04:34,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:04:34" (1/1) ... [2021-02-23 23:04:34,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:04:34" (1/1) ... [2021-02-23 23:04:34,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:04:34" (1/1) ... [2021-02-23 23:04:34,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:04:34" (1/1) ... [2021-02-23 23:04:34,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:04:34,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:04:34,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:04:34,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:04:34,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:04:34" (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 [2021-02-23 23:04:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:04:34,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:04:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:04:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-23 23:04:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:04:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:04:34,753 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:04:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 23:04:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 23:04:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:04:34,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:04:34,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-23 23:04:34,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:04:34,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:04:34,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 23:04:34,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 23:04:34,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:04:34,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:04:34,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:04:34,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:04:34,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:04:34,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 23:04:35,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:04:35,178 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 23:04:35,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:04:35 BoogieIcfgContainer [2021-02-23 23:04:35,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:04:35,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:04:35,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:04:35,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:04:35,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:04:34" (1/3) ... [2021-02-23 23:04:35,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274c2df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:04:35, skipping insertion in model container [2021-02-23 23:04:35,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:04:34" (2/3) ... [2021-02-23 23:04:35,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274c2df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:04:35, skipping insertion in model container [2021-02-23 23:04:35,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:04:35" (3/3) ... [2021-02-23 23:04:35,227 INFO L111 eAbstractionObserver]: Analyzing ICFG nested_structure_ptr-2.i [2021-02-23 23:04:35,244 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:04:35,254 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:04:35,289 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:04:35,315 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:04:35,315 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:04:35,316 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:04:35,316 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:04:35,316 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:04:35,316 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:04:35,316 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:04:35,317 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:04:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2021-02-23 23:04:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-23 23:04:35,344 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:04:35,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:04:35,345 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:04:35,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:04:35,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1921939548, now seen corresponding path program 1 times [2021-02-23 23:04:35,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:04:35,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074301950] [2021-02-23 23:04:35,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:04:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:04:35,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:04:35,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:04:35,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:04:35,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:04:35,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:04:35,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 23:04:35,868 WARN L141 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size [2021-02-23 23:04:35,871 WARN L147 QuantifierPusher]: treesize reduction 5, result has 78.3 percent of original size 18 [2021-02-23 23:04:35,910 WARN L141 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size [2021-02-23 23:04:35,912 WARN L147 QuantifierPusher]: treesize reduction 5, result has 84.4 percent of original size 27 [2021-02-23 23:04:35,955 WARN L141 QuantifierPusher]: treesize reduction 10, result has 77.8 percent of original size [2021-02-23 23:04:35,958 WARN L147 QuantifierPusher]: treesize reduction 10, result has 77.8 percent of original size 35 [2021-02-23 23:04:36,005 WARN L141 QuantifierPusher]: treesize reduction 10, result has 73.0 percent of original size [2021-02-23 23:04:36,008 WARN L147 QuantifierPusher]: treesize reduction 10, result has 73.0 percent of original size 27 [2021-02-23 23:04:36,047 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size [2021-02-23 23:04:36,048 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-02-23 23:04:36,086 WARN L141 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size [2021-02-23 23:04:36,087 WARN L147 QuantifierPusher]: treesize reduction 5, result has 90.4 percent of original size 47 [2021-02-23 23:04:36,128 WARN L141 QuantifierPusher]: treesize reduction 10, result has 81.8 percent of original size [2021-02-23 23:04:36,129 WARN L147 QuantifierPusher]: treesize reduction 10, result has 81.8 percent of original size 45 [2021-02-23 23:04:36,186 WARN L141 QuantifierPusher]: treesize reduction 5, result has 91.4 percent of original size [2021-02-23 23:04:36,188 WARN L147 QuantifierPusher]: treesize reduction 5, result has 91.4 percent of original size 53 [2021-02-23 23:04:36,243 WARN L141 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size [2021-02-23 23:04:36,248 WARN L147 QuantifierPusher]: treesize reduction 5, result has 88.9 percent of original size 40 [2021-02-23 23:04:36,295 WARN L141 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size [2021-02-23 23:04:36,297 WARN L147 QuantifierPusher]: treesize reduction 5, result has 82.1 percent of original size 23 [2021-02-23 23:04:36,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:04:36,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:04:36,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:04:36,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:04:36,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:04:36,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:04:36,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:04:36,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:04:36,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:04:36,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:04:36,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:04:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:04:36,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:04:36,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:04:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:04:36,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074301950] [2021-02-23 23:04:36,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:04:36,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-23 23:04:36,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875033341] [2021-02-23 23:04:36,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-23 23:04:36,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:04:36,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-23 23:04:36,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2021-02-23 23:04:36,646 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 19 states. [2021-02-23 23:04:37,566 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-02-23 23:04:38,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:04:38,201 INFO L93 Difference]: Finished difference Result 66 states and 65 transitions. [2021-02-23 23:04:38,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-23 23:04:38,203 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 32 [2021-02-23 23:04:38,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:04:38,210 INFO L225 Difference]: With dead ends: 66 [2021-02-23 23:04:38,210 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:04:38,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=214, Invalid=1118, Unknown=0, NotChecked=0, Total=1332 [2021-02-23 23:04:38,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:04:38,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:04:38,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:04:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:04:38,243 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-02-23 23:04:38,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:04:38,244 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:04:38,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-23 23:04:38,244 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:04:38,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:04:38,244 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:04:38,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:04:39,078 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-02-23 23:04:39,079 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-02-23 23:04:39,079 INFO L189 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-02-23 23:04:39,079 INFO L189 CegarLoopUtils]: For program point L12-2(line 12) no Hoare annotation was computed. [2021-02-23 23:04:39,079 INFO L189 CegarLoopUtils]: For program point L12-3(line 12) no Hoare annotation was computed. [2021-02-23 23:04:39,079 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:04:39,080 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 23:04:39,080 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 12) the Hoare annotation is: true [2021-02-23 23:04:39,080 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-23 23:04:39,080 INFO L192 CegarLoopUtils]: At program point L12-1(line 12) the Hoare annotation is: true [2021-02-23 23:04:39,081 INFO L192 CegarLoopUtils]: At program point L12-2(line 12) the Hoare annotation is: true [2021-02-23 23:04:39,082 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2021-02-23 23:04:39,083 INFO L192 CegarLoopUtils]: At program point L12-3(line 12) the Hoare annotation is: true [2021-02-23 23:04:39,084 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:04:39,087 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 23:04:39,088 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 23:04:39,088 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 23:04:39,088 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 23:04:39,090 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 38 47) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-23 23:04:39,090 INFO L185 CegarLoopUtils]: At program point L46(line 46) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-23 23:04:39,094 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 38 47) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-23 23:04:39,095 INFO L185 CegarLoopUtils]: At program point L44(line 44) the Hoare annotation is: (let ((.cse1 (+ |main_~#good~0.offset| 4)) (.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3)) (.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse1))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse2 (select (select |#memory_$Pointer$.base| .cse6) 4))) (and (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse1) 0) (= |main_~#inner~0.offset| 0) (= main_~ptr~0.offset 0) (= (select (select |#memory_int| .cse0) 0) 3) (not (= main_~ptr~0.base .cse2)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0) (= |main_~#good~0.offset| 0) (not (= .cse4 .cse5)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse4)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse6 .cse2)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2021-02-23 23:04:39,095 INFO L185 CegarLoopUtils]: At program point L44-1(line 44) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_#t~mem3.base|) (+ |main_#t~mem3.offset| 4))) (.cse0 (+ main_~ptr~0.offset 4)) (.cse2 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4))) (and (= |main_#t~mem3.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse0)) (not (= .cse1 |main_#t~mem3.base|)) (not (= .cse1 main_~ptr~0.base)) (not (= |main_~#good~0.base| .cse2)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= |main_~#inner~0.offset| 0) (= main_~ptr~0.offset 0) (= (select (select |#memory_int| .cse2) 0) 3) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse0) 0) (= |main_~#good~0.offset| 0) (= |main_#t~mem3.offset| 0) (not (= .cse4 .cse5)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse2 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse4)) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2021-02-23 23:04:39,095 INFO L185 CegarLoopUtils]: At program point L42(line 42) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= |main_~#good~0.offset| 0) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse0 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select (select |#memory_int| .cse0) 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))) [2021-02-23 23:04:39,098 INFO L185 CegarLoopUtils]: At program point L44-2(line 44) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse3 (+ main_~ptr~0.offset 4)) (.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (and (= |main_#t~mem3.base| .cse0) (not (= |main_~#good~0.base| .cse1)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2) 0) (= |main_~#inner~0.offset| 0) (= main_~ptr~0.offset 0) (= (select (select |#memory_int| .cse1) 0) 3) (not (= |main_#t~mem4.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0) (= |main_~#good~0.offset| 0) (= |main_#t~mem3.offset| 0) (not (= .cse4 .cse5)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse1 |main_~#inner~0.base|)) (not (= |main_#t~mem4.base| main_~ptr~0.base)) (not (= |main_~#good~0.base| .cse4)) (= (select |#valid| |main_~#im~0.base|) 1) (= (select (select |#memory_$Pointer$.offset| .cse0) 4) |main_#t~mem4.offset|) (= |main_#t~mem4.base| (select (select |#memory_$Pointer$.base| .cse0) 4)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2021-02-23 23:04:39,098 INFO L185 CegarLoopUtils]: At program point L42-1(line 42) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= |main_~#good~0.offset| 0) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse0 |main_~#inner~0.base|)) (= |main_~#inner~0.offset| 0) (= (select (select |#memory_int| .cse0) 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))) [2021-02-23 23:04:39,098 INFO L185 CegarLoopUtils]: At program point L44-3(line 44) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse2 (select (select |#memory_$Pointer$.offset| .cse0) 4)) (.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (= |main_#t~mem3.base| .cse0) (= |main_#t~mem3.offset| 0) (= 0 |main_~#im~0.offset|) (not (= |main_#t~mem4.base| main_~ptr~0.base)) (= (select (select |#memory_int| .cse1) .cse2) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (= .cse2 |main_#t~mem4.offset|) (= |main_#t~mem4.base| .cse1) (not (= |main_#t~mem4.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-23 23:04:39,099 INFO L185 CegarLoopUtils]: At program point L40(line 40) the Hoare annotation is: (and (= 0 |main_~#im~0.offset|) (= (select |#valid| |main_~#im~0.base|) 1)) [2021-02-23 23:04:39,099 INFO L185 CegarLoopUtils]: At program point L42-2(line 42) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4)) (.cse2 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= |main_~#good~0.offset| 0) (not (= .cse0 .cse1)) (= 0 |main_~#im~0.offset|) (not (= |main_~#good~0.base| .cse2)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= .cse2 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3) 0) (= |main_~#inner~0.offset| 0) (= (select (select |#memory_int| .cse2) 0) 3) (= (select |#valid| |main_~#im~0.base|) 1) (not (= |main_~#im~0.base| |main_~#inner~0.base|)))))) [2021-02-23 23:04:39,099 INFO L185 CegarLoopUtils]: At program point L44-4(line 44) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_#t~mem3.base|) (+ |main_#t~mem3.offset| 4))) (.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (and (= |main_#t~mem3.base| .cse0) (= |main_#t~mem3.offset| 0) (not (= .cse1 |main_#t~mem3.base|)) (not (= .cse1 main_~ptr~0.base)) (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| .cse0) 4)) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0)))) [2021-02-23 23:04:39,100 INFO L185 CegarLoopUtils]: At program point L40-1(line 40) 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)) [2021-02-23 23:04:39,100 INFO L185 CegarLoopUtils]: At program point L42-3(line 42) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-23 23:04:39,100 INFO L185 CegarLoopUtils]: At program point L40-2(line 40) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-23 23:04:39,100 INFO L185 CegarLoopUtils]: At program point L42-4(line 42) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-23 23:04:39,100 INFO L185 CegarLoopUtils]: At program point L40-3(line 40) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-23 23:04:39,101 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 38 47) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 23:04:39,101 INFO L185 CegarLoopUtils]: At program point L45(line 45) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-23 23:04:39,101 INFO L185 CegarLoopUtils]: At program point L45-1(line 45) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= |main_#t~mem5.offset| 0) (= 4 (let ((.cse2 (+ |main_#t~mem5.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem5.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem5.base|) .cse2)))) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-23 23:04:39,102 INFO L185 CegarLoopUtils]: At program point L45-2(line 45) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= |main_#t~mem5.offset| 0) (= 4 (let ((.cse2 (+ |main_#t~mem5.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem5.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem5.base|) .cse2)))) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (= (select (select |#memory_int| |main_#t~mem6.base|) |main_#t~mem6.offset|) 4) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-23 23:04:39,102 INFO L185 CegarLoopUtils]: At program point L45-3(line 45) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= |main_#t~mem5.offset| 0) (= 4 (let ((.cse2 (+ |main_#t~mem5.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem5.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem5.base|) .cse2)))) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (= (select (select |#memory_int| |main_#t~mem6.base|) |main_#t~mem6.offset|) 4) (not (= main_~ptr~0.base .cse0)) (= |main_#t~mem7| 4) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-23 23:04:39,102 INFO L185 CegarLoopUtils]: At program point L41(line 41) 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|))) [2021-02-23 23:04:39,102 INFO L185 CegarLoopUtils]: At program point L45-4(line 45) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= |main_#t~mem5.offset| 0) (= 4 (let ((.cse2 (+ |main_#t~mem5.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem5.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem5.base|) .cse2)))) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (= (select (select |#memory_int| |main_#t~mem6.base|) |main_#t~mem6.offset|) 4) (not (= main_~ptr~0.base .cse0)) (= |main_#t~mem7| 4) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-23 23:04:39,103 INFO L185 CegarLoopUtils]: At program point L41-1(line 41) 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|))) [2021-02-23 23:04:39,103 INFO L185 CegarLoopUtils]: At program point L45-5(line 45) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= |main_#t~mem5.offset| 0) (= 4 (let ((.cse2 (+ |main_#t~mem5.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem5.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem5.base|) .cse2)))) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= |main_#t~mem7| 4) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-23 23:04:39,103 INFO L185 CegarLoopUtils]: At program point L41-2(line 41) 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|)))) [2021-02-23 23:04:39,104 INFO L185 CegarLoopUtils]: At program point L45-6(line 45) the Hoare annotation is: (let ((.cse3 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_~#im~0.offset|) (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (= |main_#t~mem5.offset| 0) (= 4 (let ((.cse2 (+ |main_#t~mem5.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem5.base|) .cse2)) (select (select |#memory_$Pointer$.offset| |main_#t~mem5.base|) .cse2)))) (= (select |#valid| |main_~#im~0.base|) 1) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3) 0))))) [2021-02-23 23:04:39,104 INFO L185 CegarLoopUtils]: At program point L41-3(line 41) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-23 23:04:39,104 INFO L185 CegarLoopUtils]: At program point L41-4(line 41) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4)) 4) (= main_~ptr~0.offset 0) (not (= .cse1 .cse0)) (not (= main_~ptr~0.base .cse0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2) 0))))) [2021-02-23 23:04:39,104 INFO L185 CegarLoopUtils]: At program point L15(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-23 23:04:39,105 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 13 18) the Hoare annotation is: true [2021-02-23 23:04:39,105 INFO L185 CegarLoopUtils]: At program point L14(lines 14 16) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-23 23:04:39,106 INFO L185 CegarLoopUtils]: At program point L15-1(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-23 23:04:39,106 INFO L185 CegarLoopUtils]: At program point L14-2(lines 13 18) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-23 23:04:39,106 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 13 18) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-23 23:04:39,106 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-23 23:04:39,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:04:39,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,126 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,128 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,128 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:04:39,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 11:04:39 BoogieIcfgContainer [2021-02-23 23:04:39,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 23:04:39,145 INFO L168 Benchmark]: Toolchain (without parser) took 4869.24 ms. Allocated memory was 161.5 MB in the beginning and 197.1 MB in the end (delta: 35.7 MB). Free memory was 137.4 MB in the beginning and 83.5 MB in the end (delta: 53.9 MB). Peak memory consumption was 107.6 MB. Max. memory is 8.0 GB. [2021-02-23 23:04:39,146 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 161.5 MB. Free memory is still 135.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 23:04:39,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.79 ms. Allocated memory is still 161.5 MB. Free memory was 136.4 MB in the beginning and 126.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-23 23:04:39,148 INFO L168 Benchmark]: Boogie Preprocessor took 39.97 ms. Allocated memory is still 161.5 MB. Free memory was 126.4 MB in the beginning and 124.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 23:04:39,149 INFO L168 Benchmark]: RCFGBuilder took 540.29 ms. Allocated memory is still 161.5 MB. Free memory was 124.9 MB in the beginning and 106.8 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2021-02-23 23:04:39,150 INFO L168 Benchmark]: TraceAbstraction took 3941.49 ms. Allocated memory was 161.5 MB in the beginning and 197.1 MB in the end (delta: 35.7 MB). Free memory was 143.9 MB in the beginning and 83.5 MB in the end (delta: 60.4 MB). Peak memory consumption was 112.9 MB. Max. memory is 8.0 GB. [2021-02-23 23:04:39,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 161.5 MB. Free memory is still 135.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 306.79 ms. Allocated memory is still 161.5 MB. Free memory was 136.4 MB in the beginning and 126.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.97 ms. Allocated memory is still 161.5 MB. Free memory was 126.4 MB in the beginning and 124.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 540.29 ms. Allocated memory is still 161.5 MB. Free memory was 124.9 MB in the beginning and 106.8 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3941.49 ms. Allocated memory was 161.5 MB in the beginning and 197.1 MB in the end (delta: 35.7 MB). Free memory was 143.9 MB in the beginning and 83.5 MB in the end (delta: 60.4 MB). Peak memory consumption was 112.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: 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: 38]: Procedure Contract for main [2021-02-23 23:04:39,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:04:39,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:04:39,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2021-02-23 23:04:39,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2021-02-23 23:04:39,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived contract for procedure main: (((unknown-#memory_int-unknown[#memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4]][#memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4]] == 4 && ptr == 0) && !(#memory_$Pointer$[ptr][ptr + 4] == #memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4])) && !(ptr == #memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4])) && #memory_$Pointer$[ptr][ptr + 4] == 0 - ProcedureContractResult [Line: 13]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.9s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 93 SDslu, 261 SDs, 0 SdLazy, 293 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 66 NumberOfFragments, 2463 HoareAnnotationTreeSize, 50 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 50 FomulaSimplificationsInter, 137 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 16709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...