/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/test03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:56:55,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:56:55,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:56:55,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-22 01:56:55,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:56:55,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:56:55,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:56:55,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:56:55,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:56:55,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:56:55,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:56:55,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:56:55,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:56:55,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:56:55,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:56:55,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:56:55,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-22 01:56:55,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:56:55,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:56:55,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:56:55,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:56:55,605 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:56:55,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:56:55,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:56:55,607 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:56:55,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:56:55,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:56:55,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:56:55,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:56:55,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:56:55,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:56:55,609 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:56:55,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:56:55,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:56:55,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:56:55,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:56:55,610 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:56:55,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:56:55,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:56:55,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:56:55,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:56:55,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:56:55,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:56:55,612 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:56:55,612 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:56:55,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:56:56,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:56:56,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:56:56,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:56:56,028 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:56:56,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test03.c [2021-02-22 01:56:56,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813b8e835/af2f1da6b54e4df0acb655e9770c0e20/FLAG81b030cbd [2021-02-22 01:56:56,806 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:56:56,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test03.c [2021-02-22 01:56:56,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813b8e835/af2f1da6b54e4df0acb655e9770c0e20/FLAG81b030cbd [2021-02-22 01:56:57,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/813b8e835/af2f1da6b54e4df0acb655e9770c0e20 [2021-02-22 01:56:57,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:56:57,174 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:56:57,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:56:57,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:56:57,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:56:57,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:56:57" (1/1) ... [2021-02-22 01:56:57,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14227f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:57, skipping insertion in model container [2021-02-22 01:56:57,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:56:57" (1/1) ... [2021-02-22 01:56:57,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:56:57,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:56:57,363 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/test03.c[477,490] [2021-02-22 01:56:57,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:56:57,378 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:56:57,394 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/test03.c[477,490] [2021-02-22 01:56:57,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:56:57,412 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:56:57,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:57 WrapperNode [2021-02-22 01:56:57,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:56:57,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:56:57,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:56:57,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:56:57,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:57" (1/1) ... [2021-02-22 01:56:57,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:57" (1/1) ... [2021-02-22 01:56:57,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:57" (1/1) ... [2021-02-22 01:56:57,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:57" (1/1) ... [2021-02-22 01:56:57,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:57" (1/1) ... [2021-02-22 01:56:57,446 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:57" (1/1) ... [2021-02-22 01:56:57,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:57" (1/1) ... [2021-02-22 01:56:57,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:56:57,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:56:57,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:56:57,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:56:57,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:56:57,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:56:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:56:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:56:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-02-22 01:56:57,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:56:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:56:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:56:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:56:57,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:56:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-02-22 01:56:57,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:56:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:56:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:56:57,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:56:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:56:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:56:57,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:56:57,904 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:56:57,905 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-22 01:56:57,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:56:57 BoogieIcfgContainer [2021-02-22 01:56:57,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:56:57,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:56:57,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:56:57,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:56:57,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:56:57" (1/3) ... [2021-02-22 01:56:57,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de7dd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:56:57, skipping insertion in model container [2021-02-22 01:56:57,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:56:57" (2/3) ... [2021-02-22 01:56:57,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de7dd3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:56:57, skipping insertion in model container [2021-02-22 01:56:57,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:56:57" (3/3) ... [2021-02-22 01:56:57,921 INFO L111 eAbstractionObserver]: Analyzing ICFG test03.c [2021-02-22 01:56:57,930 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:56:57,937 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:56:57,965 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:56:57,997 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:56:57,997 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:56:57,997 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:56:57,997 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:56:57,997 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:56:57,998 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:56:57,998 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:56:57,998 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:56:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2021-02-22 01:56:58,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-02-22 01:56:58,050 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:56:58,051 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] [2021-02-22 01:56:58,051 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:56:58,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:56:58,070 INFO L82 PathProgramCache]: Analyzing trace with hash 853259017, now seen corresponding path program 1 times [2021-02-22 01:56:58,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:56:58,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562385936] [2021-02-22 01:56:58,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:56:58,232 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:56:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:58,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:56:58,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:56:58,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:56:58,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-22 01:56:58,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:56:58,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:58,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:56:58,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:58,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:56:58,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:56:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:58,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:56:58,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-22 01:56:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:56:58,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:56:58,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:56:58,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:56:58,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-22 01:56:58,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:56:58,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562385936] [2021-02-22 01:56:58,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:56:58,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-22 01:56:58,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242472193] [2021-02-22 01:56:58,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-22 01:56:58,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:56:58,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-22 01:56:58,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-02-22 01:56:58,814 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 13 states. [2021-02-22 01:56:59,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:56:59,340 INFO L93 Difference]: Finished difference Result 52 states and 51 transitions. [2021-02-22 01:56:59,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 01:56:59,342 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 31 [2021-02-22 01:56:59,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:56:59,350 INFO L225 Difference]: With dead ends: 52 [2021-02-22 01:56:59,350 INFO L226 Difference]: Without dead ends: 0 [2021-02-22 01:56:59,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2021-02-22 01:56:59,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-22 01:56:59,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-22 01:56:59,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-22 01:56:59,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-22 01:56:59,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-02-22 01:56:59,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:56:59,386 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-22 01:56:59,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-22 01:56:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-22 01:56:59,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-22 01:56:59,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:56:59,390 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-22 01:56:59,822 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-22 01:56:59,822 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-22 01:56:59,823 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-22 01:56:59,823 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-22 01:56:59,823 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-22 01:56:59,823 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-22 01:56:59,823 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-22 01:56:59,824 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-22 01:56:59,824 INFO L192 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: true [2021-02-22 01:56:59,824 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-02-22 01:56:59,824 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= ~q~0 |old(~q~0)|) (= |#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|)) [2021-02-22 01:56:59,825 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-22 01:56:59,825 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-22 01:56:59,825 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-22 01:56:59,825 INFO L185 CegarLoopUtils]: At program point fEXIT(lines 6 8) the Hoare annotation is: (and (= |f_#in~p2.base| f_~p2.base) (or (= |f_#in~p1.base| |f_#in~p2.base|) (<= |f_#res| 0)) (<= 0 |f_#res|) (= |f_#in~p1.base| f_~p1.base)) [2021-02-22 01:56:59,826 INFO L185 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (and (= |f_#in~p2.base| f_~p2.base) (= |f_#in~p1.base| f_~p1.base)) [2021-02-22 01:56:59,826 INFO L185 CegarLoopUtils]: At program point L6(lines 6 8) the Hoare annotation is: (= |f_#in~p1.base| f_~p1.base) [2021-02-22 01:56:59,826 INFO L192 CegarLoopUtils]: At program point fENTRY(lines 6 8) the Hoare annotation is: true [2021-02-22 01:56:59,826 INFO L185 CegarLoopUtils]: At program point fFINAL(lines 6 8) the Hoare annotation is: (and (= |f_#in~p2.base| f_~p2.base) (or (= |f_#in~p1.base| |f_#in~p2.base|) (<= |f_#res| 0)) (<= 0 |f_#res|) (= |f_#in~p1.base| f_~p1.base)) [2021-02-22 01:56:59,827 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-22 01:56:59,827 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-22 01:56:59,827 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-22 01:56:59,827 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-22 01:56:59,827 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: false [2021-02-22 01:56:59,828 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 12 30) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2021-02-22 01:56:59,828 INFO L185 CegarLoopUtils]: At program point L23(lines 12 30) the Hoare annotation is: false [2021-02-22 01:56:59,828 INFO L185 CegarLoopUtils]: At program point L17(line 17) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1)) [2021-02-22 01:56:59,828 INFO L185 CegarLoopUtils]: At program point L13(line 13) the Hoare annotation is: (= (select |#valid| |main_~#a~0.base|) 1) [2021-02-22 01:56:59,828 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 12 30) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2021-02-22 01:56:59,829 INFO L185 CegarLoopUtils]: At program point L13-1(line 13) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1)) [2021-02-22 01:56:59,829 INFO L185 CegarLoopUtils]: At program point L13-2(line 13) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-22 01:56:59,829 INFO L185 CegarLoopUtils]: At program point L13-3(line 13) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-22 01:56:59,829 INFO L185 CegarLoopUtils]: At program point L13-4(line 13) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2021-02-22 01:56:59,830 INFO L185 CegarLoopUtils]: At program point L13-5(line 13) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2021-02-22 01:56:59,830 INFO L185 CegarLoopUtils]: At program point L13-6(line 13) the Hoare annotation is: false [2021-02-22 01:56:59,830 INFO L185 CegarLoopUtils]: At program point L13-7(line 13) the Hoare annotation is: false [2021-02-22 01:56:59,830 INFO L185 CegarLoopUtils]: At program point L13-8(line 13) the Hoare annotation is: false [2021-02-22 01:56:59,830 INFO L185 CegarLoopUtils]: At program point L13-9(line 13) the Hoare annotation is: false [2021-02-22 01:56:59,831 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 28) the Hoare annotation is: false [2021-02-22 01:56:59,831 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 12 30) the Hoare annotation is: (and (= ~q~0 |old(~q~0)|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-22 01:56:59,831 INFO L185 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: false [2021-02-22 01:56:59,832 INFO L185 CegarLoopUtils]: At program point L26(line 26) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-22 01:56:59,832 INFO L185 CegarLoopUtils]: At program point L22(line 22) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-22 01:56:59,832 INFO L185 CegarLoopUtils]: At program point L22-1(lines 22 24) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_#t~mem8| 0) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-22 01:56:59,832 INFO L185 CegarLoopUtils]: At program point L20(line 20) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-22 01:56:59,833 INFO L185 CegarLoopUtils]: At program point L22-2(line 22) the Hoare annotation is: false [2021-02-22 01:56:59,833 INFO L185 CegarLoopUtils]: At program point L20-1(line 20) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= |main_#t~ret7| 0) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-22 01:56:59,833 INFO L185 CegarLoopUtils]: At program point L22-3(line 22) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |main_#t~mem8| 0) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-22 01:56:59,834 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (and (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-22 01:56:59,834 INFO L185 CegarLoopUtils]: At program point L20-2(line 20) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= |main_#t~ret7| 0) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-22 01:56:59,834 INFO L185 CegarLoopUtils]: At program point L20-3(line 20) the Hoare annotation is: (and (not (= main_~p1~0.base main_~p2~0.base)) (= (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) 0) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= (select |#valid| |main_~#a~0.base|) 1) (= |main_#t~ret7| 0) (= main_~p1~0.base |main_~#a~0.base|)) [2021-02-22 01:56:59,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 01:56:59 BoogieIcfgContainer [2021-02-22 01:56:59,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 01:56:59,857 INFO L168 Benchmark]: Toolchain (without parser) took 2694.66 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 135.0 MB in the beginning and 157.3 MB in the end (delta: -22.3 MB). Peak memory consumption was 84.4 MB. Max. memory is 8.0 GB. [2021-02-22 01:56:59,858 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 158.3 MB. Free memory was 133.5 MB in the beginning and 133.5 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:56:59,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.67 ms. Allocated memory is still 158.3 MB. Free memory was 133.9 MB in the beginning and 124.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-22 01:56:59,860 INFO L168 Benchmark]: Boogie Preprocessor took 36.06 ms. Allocated memory is still 158.3 MB. Free memory was 124.7 MB in the beginning and 123.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:56:59,860 INFO L168 Benchmark]: RCFGBuilder took 456.79 ms. Allocated memory is still 158.3 MB. Free memory was 123.2 MB in the beginning and 138.8 MB in the end (delta: -15.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-02-22 01:56:59,861 INFO L168 Benchmark]: TraceAbstraction took 1945.25 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 138.3 MB in the beginning and 157.3 MB in the end (delta: -19.0 MB). Peak memory consumption was 87.9 MB. Max. memory is 8.0 GB. [2021-02-22 01:56:59,865 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 158.3 MB. Free memory was 133.5 MB in the beginning and 133.5 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 237.67 ms. Allocated memory is still 158.3 MB. Free memory was 133.9 MB in the beginning and 124.7 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.06 ms. Allocated memory is still 158.3 MB. Free memory was 124.7 MB in the beginning and 123.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 456.79 ms. Allocated memory is still 158.3 MB. Free memory was 123.2 MB in the beginning and 138.8 MB in the end (delta: -15.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1945.25 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 138.3 MB in the beginning and 157.3 MB in the end (delta: -19.0 MB). Peak memory consumption was 87.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 28]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 6]: Procedure Contract for f Derived contract for procedure f: ((p2 == p2 && (p1 == p2 || \result <= 0)) && 0 <= \result) && p1 == p1 - ProcedureContractResult [Line: 12]: Procedure Contract for main Derived contract for procedure main: !(p1 == p2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 53 SDslu, 163 SDs, 0 SdLazy, 128 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 48 LocationsWithAnnotation, 48 PreInvPairs, 52 NumberOfFragments, 395 HoareAnnotationTreeSize, 48 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 48 FomulaSimplificationsInter, 190 FormulaSimplificationTreeSizeReductionInter, 0.2s 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...