/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/bitvector/jain_7-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 20:11:05,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 20:11:05,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 20:11:05,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-21 20:11:05,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 20:11:05,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 20:11:05,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 20:11:05,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 20:11:05,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 20:11:05,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 20:11:05,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 20:11:05,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 20:11:05,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 20:11:05,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 20:11:05,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 20:11:05,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 20:11:05,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 20:11:05,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 20:11:05,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 20:11:05,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 20:11:05,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 20:11:05,323 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 20:11:05,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 20:11:05,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 20:11:05,326 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 20:11:05,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 20:11:05,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 20:11:05,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 20:11:05,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 20:11:05,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 20:11:05,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 20:11:05,328 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 20:11:05,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 20:11:05,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 20:11:05,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 20:11:05,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 20:11:05,329 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 20:11:05,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 20:11:05,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 20:11:05,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 20:11:05,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 20:11:05,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 20:11:05,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 20:11:05,332 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 20:11:05,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 20:11:05,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 20:11:05,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 20:11:05,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 20:11:05,783 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 20:11:05,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/jain_7-2.c [2021-02-21 20:11:05,874 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5be6c102/0961a69e97a24e8dafc5af8086959ae1/FLAGfde96f7ef [2021-02-21 20:11:06,584 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 20:11:06,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_7-2.c [2021-02-21 20:11:06,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5be6c102/0961a69e97a24e8dafc5af8086959ae1/FLAGfde96f7ef [2021-02-21 20:11:06,932 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5be6c102/0961a69e97a24e8dafc5af8086959ae1 [2021-02-21 20:11:06,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 20:11:06,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 20:11:06,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 20:11:06,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 20:11:06,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 20:11:06,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:11:06" (1/1) ... [2021-02-21 20:11:06,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f40c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:06, skipping insertion in model container [2021-02-21 20:11:06,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 08:11:06" (1/1) ... [2021-02-21 20:11:06,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 20:11:06,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 20:11:07,149 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_7-2.c[370,383] [2021-02-21 20:11:07,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:11:07,176 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 20:11:07,194 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_7-2.c[370,383] [2021-02-21 20:11:07,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 20:11:07,218 INFO L208 MainTranslator]: Completed translation [2021-02-21 20:11:07,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:07 WrapperNode [2021-02-21 20:11:07,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 20:11:07,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 20:11:07,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 20:11:07,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 20:11:07,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:07" (1/1) ... [2021-02-21 20:11:07,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:07" (1/1) ... [2021-02-21 20:11:07,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:07" (1/1) ... [2021-02-21 20:11:07,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:07" (1/1) ... [2021-02-21 20:11:07,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:07" (1/1) ... [2021-02-21 20:11:07,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:07" (1/1) ... [2021-02-21 20:11:07,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:07" (1/1) ... [2021-02-21 20:11:07,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 20:11:07,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 20:11:07,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 20:11:07,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 20:11:07,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 20:11:07,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 20:11:07,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 20:11:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 20:11:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-21 20:11:07,394 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 20:11:07,394 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 20:11:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 20:11:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 20:11:07,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 20:11:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-02-21 20:11:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-21 20:11:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 20:11:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 20:11:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 20:11:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 20:11:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 20:11:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 20:11:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 20:11:07,879 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 20:11:07,880 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-21 20:11:07,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:11:07 BoogieIcfgContainer [2021-02-21 20:11:07,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 20:11:07,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 20:11:07,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 20:11:07,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 20:11:07,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 08:11:06" (1/3) ... [2021-02-21 20:11:07,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53274ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:11:07, skipping insertion in model container [2021-02-21 20:11:07,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 08:11:07" (2/3) ... [2021-02-21 20:11:07,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53274ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 08:11:07, skipping insertion in model container [2021-02-21 20:11:07,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 08:11:07" (3/3) ... [2021-02-21 20:11:07,910 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_7-2.c [2021-02-21 20:11:07,929 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 20:11:07,941 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 20:11:07,974 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 20:11:08,000 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 20:11:08,001 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 20:11:08,001 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 20:11:08,001 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 20:11:08,001 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 20:11:08,002 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 20:11:08,002 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 20:11:08,002 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 20:11:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2021-02-21 20:11:08,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-02-21 20:11:08,030 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:08,031 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] [2021-02-21 20:11:08,031 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:08,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:08,038 INFO L82 PathProgramCache]: Analyzing trace with hash 816141850, now seen corresponding path program 1 times [2021-02-21 20:11:08,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:08,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1881230363] [2021-02-21 20:11:08,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:08,138 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:08,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:08,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:08,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:08,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:08,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:08,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:08,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:08,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 20:11:08,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:08,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 20:11:08,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:08,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 20:11:08,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:08,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-21 20:11:08,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:08,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:11:08,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:08,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:11:08,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:08,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:08,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:08,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:08,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:08,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:11:08,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1881230363] [2021-02-21 20:11:08,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:08,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 20:11:08,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028375872] [2021-02-21 20:11:08,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 20:11:08,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:08,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 20:11:08,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-02-21 20:11:08,758 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 11 states. [2021-02-21 20:11:09,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:09,744 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2021-02-21 20:11:09,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 20:11:09,746 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2021-02-21 20:11:09,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:09,754 INFO L225 Difference]: With dead ends: 66 [2021-02-21 20:11:09,755 INFO L226 Difference]: Without dead ends: 46 [2021-02-21 20:11:09,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2021-02-21 20:11:09,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-02-21 20:11:09,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2021-02-21 20:11:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2021-02-21 20:11:09,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2021-02-21 20:11:09,813 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 29 [2021-02-21 20:11:09,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:09,814 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2021-02-21 20:11:09,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 20:11:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2021-02-21 20:11:09,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-02-21 20:11:09,816 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 20:11:09,817 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 20:11:09,817 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 20:11:09,817 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 20:11:09,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 20:11:09,818 INFO L82 PathProgramCache]: Analyzing trace with hash 288601581, now seen corresponding path program 1 times [2021-02-21 20:11:09,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 20:11:09,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501205443] [2021-02-21 20:11:09,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 20:11:09,931 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 20:11:09,933 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 20:11:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:10,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:10,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 20:11:10,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 20:11:10,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-21 20:11:10,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-21 20:11:10,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-21 20:11:10,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:11:10,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:11:10,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-21 20:11:10,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-21 20:11:10,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:11:10,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 20:11:10,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 20:11:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:10,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:10,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-21 20:11:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 20:11:10,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 20:11:10,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 20:11:10,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 20:11:10,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501205443] [2021-02-21 20:11:10,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 20:11:10,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-21 20:11:10,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884831084] [2021-02-21 20:11:10,361 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-21 20:11:10,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 20:11:10,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-21 20:11:10,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-02-21 20:11:10,363 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 12 states. [2021-02-21 20:11:10,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 20:11:10,791 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2021-02-21 20:11:10,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-21 20:11:10,792 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2021-02-21 20:11:10,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 20:11:10,793 INFO L225 Difference]: With dead ends: 44 [2021-02-21 20:11:10,793 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 20:11:10,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2021-02-21 20:11:10,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 20:11:10,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 20:11:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 20:11:10,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 20:11:10,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2021-02-21 20:11:10,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 20:11:10,797 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 20:11:10,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-21 20:11:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 20:11:10,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 20:11:10,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 20:11:10,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 20:11:11,402 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 20:11:11,402 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 20:11:11,402 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 20:11:11,403 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-21 20:11:11,403 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-21 20:11:11,403 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 20:11:11,403 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-21 20:11:11,403 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-21 20:11:11,403 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-21 20:11:11,404 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-21 20:11:11,404 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-21 20:11:11,404 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-21 20:11:11,404 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-21 20:11:11,404 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: false [2021-02-21 20:11:11,404 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 20:11:11,405 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 20:11:11,405 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: false [2021-02-21 20:11:11,405 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 12 29) the Hoare annotation is: false [2021-02-21 20:11:11,405 INFO L185 CegarLoopUtils]: At program point L23(line 23) the Hoare annotation is: (<= (+ (* 4 main_~x~0) main_~z~0) (+ (* 2 main_~y~0) (* 4194304 (div (+ (* main_~x~0 4) (* main_~y~0 (- 2)) main_~z~0) 4194304)))) [2021-02-21 20:11:11,405 INFO L185 CegarLoopUtils]: At program point L23-1(line 23) the Hoare annotation is: (<= (+ (* 4 main_~x~0) main_~z~0) (+ (* 2 main_~y~0) (* 4194304 (div (+ (* main_~x~0 4) (* main_~y~0 (- 2)) main_~z~0) 4194304)))) [2021-02-21 20:11:11,406 INFO L185 CegarLoopUtils]: At program point L17(line 17) the Hoare annotation is: (= main_~x~0 0) [2021-02-21 20:11:11,406 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 12 29) the Hoare annotation is: false [2021-02-21 20:11:11,406 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 12 29) the Hoare annotation is: true [2021-02-21 20:11:11,406 INFO L185 CegarLoopUtils]: At program point L26(line 26) the Hoare annotation is: (<= (+ (* 4 main_~x~0) main_~z~0) (+ (* 2 main_~y~0) (* 4194304 (div (+ (* main_~x~0 4) (* main_~y~0 (- 2)) main_~z~0) 4194304)))) [2021-02-21 20:11:11,406 INFO L185 CegarLoopUtils]: At program point L26-1(lines 20 27) the Hoare annotation is: (<= (+ (* 4 main_~x~0) main_~z~0) (+ (* 2 main_~y~0) (* 4194304 (div (+ (* main_~x~0 4) (* main_~y~0 (- 2)) main_~z~0) 4194304)))) [2021-02-21 20:11:11,407 INFO L185 CegarLoopUtils]: At program point L24(line 24) the Hoare annotation is: (<= (+ (* 4 main_~x~0) main_~z~0) (+ (* 2 main_~y~0) (* 4194304 (div (+ (* main_~x~0 4) (* main_~y~0 (- 2)) main_~z~0) 4194304)))) [2021-02-21 20:11:11,407 INFO L185 CegarLoopUtils]: At program point L24-1(line 24) the Hoare annotation is: (<= (+ (* 4 main_~x~0) main_~z~0) (+ (* 2 main_~y~0) (* 4194304 (div (+ (* main_~x~0 4) (* main_~y~0 (- 2)) main_~z~0) 4194304)))) [2021-02-21 20:11:11,407 INFO L185 CegarLoopUtils]: At program point L22(line 22) the Hoare annotation is: (<= (+ (* 4 main_~x~0) main_~z~0) (+ (* 2 main_~y~0) (* 4194304 (div (+ (* main_~x~0 4) (* main_~y~0 (- 2)) main_~z~0) 4194304)))) [2021-02-21 20:11:11,407 INFO L185 CegarLoopUtils]: At program point L22-1(line 22) the Hoare annotation is: (<= (+ (* 4 main_~x~0) main_~z~0) (+ (* 2 main_~y~0) (* 4194304 (div (+ (* main_~x~0 4) (* main_~y~0 (- 2)) main_~z~0) 4194304)))) [2021-02-21 20:11:11,407 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (and (= main_~y~0 0) (= main_~x~0 0)) [2021-02-21 20:11:11,408 INFO L185 CegarLoopUtils]: At program point L20-2(lines 20 27) the Hoare annotation is: false [2021-02-21 20:11:11,408 INFO L192 CegarLoopUtils]: At program point L16(line 16) the Hoare annotation is: true [2021-02-21 20:11:11,408 INFO L192 CegarLoopUtils]: At program point L14(line 14) the Hoare annotation is: true [2021-02-21 20:11:11,408 INFO L192 CegarLoopUtils]: At program point L14-1(line 14) the Hoare annotation is: true [2021-02-21 20:11:11,408 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 6 11) the Hoare annotation is: true [2021-02-21 20:11:11,409 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 6 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-21 20:11:11,409 INFO L185 CegarLoopUtils]: At program point L8(line 8) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-21 20:11:11,409 INFO L185 CegarLoopUtils]: At program point L7(lines 7 9) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-21 20:11:11,409 INFO L185 CegarLoopUtils]: At program point L8-1(line 8) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-21 20:11:11,409 INFO L185 CegarLoopUtils]: At program point L7-2(lines 6 11) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-21 20:11:11,410 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-21 20:11:11,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 08:11:11 BoogieIcfgContainer [2021-02-21 20:11:11,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 20:11:11,433 INFO L168 Benchmark]: Toolchain (without parser) took 4494.30 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 127.4 MB in the beginning and 76.1 MB in the end (delta: 51.3 MB). Peak memory consumption was 86.5 MB. Max. memory is 8.0 GB. [2021-02-21 20:11:11,433 INFO L168 Benchmark]: CDTParser took 1.08 ms. Allocated memory is still 151.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 20:11:11,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.33 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 116.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-21 20:11:11,435 INFO L168 Benchmark]: Boogie Preprocessor took 41.86 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 115.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-21 20:11:11,435 INFO L168 Benchmark]: RCFGBuilder took 626.43 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 131.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. [2021-02-21 20:11:11,436 INFO L168 Benchmark]: TraceAbstraction took 3539.22 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 131.1 MB in the beginning and 76.1 MB in the end (delta: 55.0 MB). Peak memory consumption was 90.2 MB. Max. memory is 8.0 GB. [2021-02-21 20:11:11,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 ms. Allocated memory is still 151.0 MB. Free memory is still 125.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 269.33 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 116.5 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 41.86 ms. Allocated memory is still 151.0 MB. Free memory was 116.5 MB in the beginning and 115.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 626.43 ms. Allocated memory is still 151.0 MB. Free memory was 115.0 MB in the beginning and 131.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3539.22 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 131.1 MB in the beginning and 76.1 MB in the end (delta: 55.0 MB). Peak memory consumption was 90.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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: 20]: Loop Invariant Derived loop invariant: 4 * x + z <= 2 * y + 4194304 * ((x * 4 + y * -2 + z) / 4194304) - ProcedureContractResult [Line: 12]: Procedure Contract for main Derived contract for procedure main: 0 - ProcedureContractResult [Line: 6]: 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, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 50 SDtfs, 75 SDslu, 134 SDs, 0 SdLazy, 208 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=1, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 52 PreInvPairs, 72 NumberOfFragments, 271 HoareAnnotationTreeSize, 52 FomulaSimplifications, 414 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 38 FomulaSimplificationsInter, 848 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...