/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test09.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:37:25,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:37:25,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:37:25,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 13:37:25,317 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:37:25,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:37:25,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:37:25,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:37:25,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:37:25,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:37:25,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:37:25,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:37:25,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:37:25,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:37:25,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:37:25,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:37:25,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 13:37:25,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:37:25,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:37:25,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:37:25,375 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:37:25,402 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:37:25,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:37:25,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:37:25,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:37:25,404 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:37:25,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:37:25,405 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:37:25,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:37:25,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:37:25,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:37:25,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:37:25,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:37:25,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:37:25,406 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:37:25,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:37:25,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:37:25,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:37:25,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:37:25,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:37:25,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:37:25,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:37:25,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:37:25,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:37:25,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:37:25,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:37:25,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:37:25,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:37:25,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:37:25,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:37:25,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:37:25,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:37:25,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:37:25,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:37:25,820 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:37:25,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test09.c [2021-02-23 13:37:25,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9d872c6f/e27aa95dd58643b282107073cc64e787/FLAGaa87ee917 [2021-02-23 13:37:26,607 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:37:26,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test09.c [2021-02-23 13:37:26,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9d872c6f/e27aa95dd58643b282107073cc64e787/FLAGaa87ee917 [2021-02-23 13:37:26,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9d872c6f/e27aa95dd58643b282107073cc64e787 [2021-02-23 13:37:26,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:37:27,003 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:37:27,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:37:27,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:37:27,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:37:27,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:37:26" (1/1) ... [2021-02-23 13:37:27,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753f314c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:37:27, skipping insertion in model container [2021-02-23 13:37:27,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:37:26" (1/1) ... [2021-02-23 13:37:27,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:37:27,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:37:27,206 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/test09.c[592,605] [2021-02-23 13:37:27,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:37:27,222 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:37:27,240 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/test09.c[592,605] [2021-02-23 13:37:27,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:37:27,258 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:37:27,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:37:27 WrapperNode [2021-02-23 13:37:27,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:37:27,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:37:27,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:37:27,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:37:27,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:37:27" (1/1) ... [2021-02-23 13:37:27,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:37:27" (1/1) ... [2021-02-23 13:37:27,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:37:27" (1/1) ... [2021-02-23 13:37:27,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:37:27" (1/1) ... [2021-02-23 13:37:27,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:37:27" (1/1) ... [2021-02-23 13:37:27,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:37:27" (1/1) ... [2021-02-23 13:37:27,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:37:27" (1/1) ... [2021-02-23 13:37:27,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:37:27,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:37:27,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:37:27,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:37:27,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:37:27" (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 13:37:27,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:37:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:37:27,398 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:37:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-02-23 13:37:27,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:37:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:37:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:37:27,399 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:37:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:37:27,400 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-02-23 13:37:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:37:27,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:37:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:37:27,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:37:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:37:27,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:37:27,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:37:27,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:37:27,692 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 13:37:27,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:37:27 BoogieIcfgContainer [2021-02-23 13:37:27,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:37:27,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:37:27,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:37:27,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:37:27,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:37:26" (1/3) ... [2021-02-23 13:37:27,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc05e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:37:27, skipping insertion in model container [2021-02-23 13:37:27,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:37:27" (2/3) ... [2021-02-23 13:37:27,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc05e1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:37:27, skipping insertion in model container [2021-02-23 13:37:27,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:37:27" (3/3) ... [2021-02-23 13:37:27,703 INFO L111 eAbstractionObserver]: Analyzing ICFG test09.c [2021-02-23 13:37:27,711 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:37:27,716 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:37:27,747 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:37:27,809 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:37:27,809 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:37:27,810 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:37:27,810 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:37:27,810 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:37:27,814 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:37:27,814 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:37:27,814 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:37:27,852 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2021-02-23 13:37:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-23 13:37:27,870 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:37:27,871 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:37:27,871 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:37:27,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:37:27,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1732386317, now seen corresponding path program 1 times [2021-02-23 13:37:27,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:37:27,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778473245] [2021-02-23 13:37:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:37:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:37:28,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:37:28,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:37:28,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:37:28,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:37:28,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:37:28,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:37:28,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:37:28,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:37:28,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:37:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:37:28,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:37:28,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:37:28,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:37:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:37:28,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:37:28,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:37:28,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:37:28,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:37:28,596 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 13:37:28,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778473245] [2021-02-23 13:37:28,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:37:28,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 13:37:28,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496835158] [2021-02-23 13:37:28,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 13:37:28,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:37:28,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 13:37:28,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:37:28,629 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 6 states. [2021-02-23 13:37:28,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:37:28,852 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2021-02-23 13:37:28,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 13:37:28,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2021-02-23 13:37:28,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:37:28,864 INFO L225 Difference]: With dead ends: 33 [2021-02-23 13:37:28,865 INFO L226 Difference]: Without dead ends: 15 [2021-02-23 13:37:28,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-02-23 13:37:28,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-02-23 13:37:28,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-02-23 13:37:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-02-23 13:37:28,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 14 transitions. [2021-02-23 13:37:28,949 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 14 transitions. Word has length 14 [2021-02-23 13:37:28,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:37:28,955 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 14 transitions. [2021-02-23 13:37:28,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 13:37:28,955 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2021-02-23 13:37:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-23 13:37:28,956 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:37:28,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:37:28,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:37:28,956 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:37:28,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:37:28,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1703757166, now seen corresponding path program 1 times [2021-02-23 13:37:28,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:37:28,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139232192] [2021-02-23 13:37:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:37:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:37:29,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:37:29,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:37:29,100 WARN L141 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size [2021-02-23 13:37:29,102 WARN L147 QuantifierPusher]: treesize reduction 2, result has 87.5 percent of original size 14 [2021-02-23 13:37:29,117 WARN L141 QuantifierPusher]: treesize reduction 22, result has 79.4 percent of original size [2021-02-23 13:37:29,120 WARN L147 QuantifierPusher]: treesize reduction 22, result has 79.4 percent of original size 85 [2021-02-23 13:37:29,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:37:29,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:37:29,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:37:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:37:29,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:37:29,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:37:29,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:37:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:37:29,223 WARN L141 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size [2021-02-23 13:37:29,226 WARN L147 QuantifierPusher]: treesize reduction 4, result has 88.9 percent of original size 32 [2021-02-23 13:37:29,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:37:29,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 13:37:29,278 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 13:37:29,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139232192] [2021-02-23 13:37:29,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:37:29,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 13:37:29,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777819215] [2021-02-23 13:37:29,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 13:37:29,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:37:29,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 13:37:29,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 13:37:29,283 INFO L87 Difference]: Start difference. First operand 15 states and 14 transitions. Second operand 8 states. [2021-02-23 13:37:29,589 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 68 [2021-02-23 13:37:29,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:37:29,594 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2021-02-23 13:37:29,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 13:37:29,595 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2021-02-23 13:37:29,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:37:29,595 INFO L225 Difference]: With dead ends: 15 [2021-02-23 13:37:29,595 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 13:37:29,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-02-23 13:37:29,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 13:37:29,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 13:37:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 13:37:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 13:37:29,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-02-23 13:37:29,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:37:29,598 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 13:37:29,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 13:37:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 13:37:29,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 13:37:29,599 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:37:29,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 13:37:29,828 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 13:37:29,829 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 13:37:29,829 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 13:37:29,829 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:37:29,829 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= ~p2~0.offset |old(~p2~0.offset)|) (= |~#b~0.base| |old(~#b~0.base)|) (= ~p1~0.offset |old(~p1~0.offset)|) (= |~#a~0.base| |old(~#a~0.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~p2~0.base |old(~p2~0.base)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~p1~0.base |old(~p1~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-23 13:37:29,830 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:37:29,830 INFO L189 CegarLoopUtils]: For program point L11(lines 11 16) no Hoare annotation was computed. [2021-02-23 13:37:29,830 INFO L189 CegarLoopUtils]: For program point fEXIT(lines 9 17) no Hoare annotation was computed. [2021-02-23 13:37:29,830 INFO L185 CegarLoopUtils]: At program point fENTRY(lines 9 17) the Hoare annotation is: (or (not (= |old(~p1~0.offset)| |~#a~0.offset|)) (not (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1)) (and (= ~p1~0.offset |~#a~0.offset|) (= |old(~p1~0.base)| ~p1~0.base)) (not (= |old(~p1~0.base)| |~#a~0.base|)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 13:37:29,830 INFO L189 CegarLoopUtils]: For program point fFINAL(lines 9 17) no Hoare annotation was computed. [2021-02-23 13:37:29,831 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:37:29,831 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= ~p2~0.base ~p1~0.base) (= ~p2~0.offset ~p1~0.offset) (not (= |~#b~0.base| |~#a~0.base|))) [2021-02-23 13:37:29,831 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 13:37:29,831 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:37:29,831 INFO L189 CegarLoopUtils]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-02-23 13:37:29,831 INFO L189 CegarLoopUtils]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 39) no Hoare annotation was computed. [2021-02-23 13:37:29,832 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 19 41) the Hoare annotation is: (or (not (= |old(~p2~0.offset)| |old(~p1~0.offset)|)) (not (= |old(~p1~0.base)| |old(~p2~0.base)|)) (and (= |old(~p1~0.offset)| ~p1~0.offset) (= ~p2~0.base ~p1~0.base) (= |old(~p1~0.base)| ~p1~0.base) (= ~p2~0.offset ~p1~0.offset)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 13:37:29,832 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: (or (not (= |old(~p2~0.offset)| |old(~p1~0.offset)|)) (not (= |old(~p1~0.base)| |old(~p2~0.base)|)) (and (= |~#a~0.base| ~p1~0.base) (= ~p1~0.offset |~#a~0.offset|) (= (select (select |#memory_int| ~p2~0.base) ~p2~0.offset) 1)) (= |~#b~0.base| |~#a~0.base|)) [2021-02-23 13:37:29,832 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 19 41) no Hoare annotation was computed. [2021-02-23 13:37:29,832 INFO L189 CegarLoopUtils]: For program point L29-1(line 29) no Hoare annotation was computed. [2021-02-23 13:37:29,832 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 19 41) no Hoare annotation was computed. [2021-02-23 13:37:29,833 INFO L185 CegarLoopUtils]: At program point L34(lines 19 41) the Hoare annotation is: (or (not (= |old(~p2~0.offset)| |old(~p1~0.offset)|)) (not (= |old(~p1~0.base)| |old(~p2~0.base)|)) (= |~#a~0.base| |~#b~0.base|)) [2021-02-23 13:37:29,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:37:29 BoogieIcfgContainer [2021-02-23 13:37:29,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:37:29,855 INFO L168 Benchmark]: Toolchain (without parser) took 2863.27 ms. Allocated memory is still 162.5 MB. Free memory was 138.7 MB in the beginning and 109.0 MB in the end (delta: 29.7 MB). Peak memory consumption was 87.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:37:29,856 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 162.5 MB. Free memory is still 142.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:37:29,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.53 ms. Allocated memory is still 162.5 MB. Free memory was 137.6 MB in the beginning and 128.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-23 13:37:29,860 INFO L168 Benchmark]: Boogie Preprocessor took 37.22 ms. Allocated memory is still 162.5 MB. Free memory was 128.2 MB in the beginning and 126.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:37:29,862 INFO L168 Benchmark]: RCFGBuilder took 395.60 ms. Allocated memory is still 162.5 MB. Free memory was 126.6 MB in the beginning and 112.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-02-23 13:37:29,867 INFO L168 Benchmark]: TraceAbstraction took 2156.74 ms. Allocated memory is still 162.5 MB. Free memory was 111.7 MB in the beginning and 109.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. [2021-02-23 13:37:29,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 162.5 MB. Free memory is still 142.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 254.53 ms. Allocated memory is still 162.5 MB. Free memory was 137.6 MB in the beginning and 128.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.22 ms. Allocated memory is still 162.5 MB. Free memory was 128.2 MB in the beginning and 126.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 395.60 ms. Allocated memory is still 162.5 MB. Free memory was 126.6 MB in the beginning and 112.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2156.74 ms. Allocated memory is still 162.5 MB. Free memory was 111.7 MB in the beginning and 109.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 39]: 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: 19]: Loop Invariant Derived loop invariant: (!(\old(p2) == \old(p1)) || !(\old(p1) == \old(p2))) || a == b - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 13 SDslu, 36 SDs, 0 SdLazy, 67 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 157 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 121 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 3458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...