/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/float-newlib/double_req_bl_1300.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 15:47:28,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 15:47:28,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 15:47:28,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-21 15:47:28,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 15:47:28,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 15:47:28,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 15:47:28,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 15:47:28,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 15:47:28,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 15:47:28,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 15:47:28,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 15:47:28,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 15:47:28,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 15:47:28,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 15:47:28,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 15:47:28,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 15:47:28,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 15:47:28,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 15:47:28,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 15:47:28,547 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 [2021-02-21 15:47:28,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 15:47:28,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 15:47:28,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 15:47:28,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 15:47:28,607 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 15:47:28,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 15:47:28,607 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 15:47:28,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 15:47:28,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 15:47:28,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 15:47:28,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 15:47:28,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 15:47:28,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 15:47:28,610 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 15:47:28,610 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 15:47:28,610 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 15:47:28,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 15:47:28,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 15:47:28,611 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 15:47:28,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 15:47:28,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 15:47:28,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 15:47:28,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 15:47:28,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 15:47:28,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 15:47:28,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 15:47:28,613 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 15:47:28,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 15:47:28,613 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 15:47:29,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 15:47:29,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 15:47:29,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 15:47:29,091 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 15:47:29,092 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 15:47:29,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1300.c [2021-02-21 15:47:29,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd601367d/292df6709a704141b733dd97b19fe100/FLAG7306ff8ef [2021-02-21 15:47:29,865 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 15:47:29,866 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1300.c [2021-02-21 15:47:29,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd601367d/292df6709a704141b733dd97b19fe100/FLAG7306ff8ef [2021-02-21 15:47:30,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd601367d/292df6709a704141b733dd97b19fe100 [2021-02-21 15:47:30,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 15:47:30,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 15:47:30,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 15:47:30,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 15:47:30,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 15:47:30,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:47:30" (1/1) ... [2021-02-21 15:47:30,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501b699f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:47:30, skipping insertion in model container [2021-02-21 15:47:30,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:47:30" (1/1) ... [2021-02-21 15:47:30,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 15:47:30,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 15:47:30,428 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1300.c[1563,1576] [2021-02-21 15:47:30,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:47:30,442 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 15:47:30,470 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1300.c[1563,1576] [2021-02-21 15:47:30,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:47:30,491 INFO L208 MainTranslator]: Completed translation [2021-02-21 15:47:30,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:47:30 WrapperNode [2021-02-21 15:47:30,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 15:47:30,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 15:47:30,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 15:47:30,494 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 15:47:30,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:47:30" (1/1) ... [2021-02-21 15:47:30,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:47:30" (1/1) ... [2021-02-21 15:47:30,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:47:30" (1/1) ... [2021-02-21 15:47:30,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:47:30" (1/1) ... [2021-02-21 15:47:30,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:47:30" (1/1) ... [2021-02-21 15:47:30,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:47:30" (1/1) ... [2021-02-21 15:47:30,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:47:30" (1/1) ... [2021-02-21 15:47:30,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 15:47:30,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 15:47:30,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 15:47:30,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 15:47:30,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:47:30" (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 15:47:30,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 15:47:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 15:47:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 15:47:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2021-02-21 15:47:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2021-02-21 15:47:30,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2021-02-21 15:47:30,687 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 15:47:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 15:47:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 15:47:30,687 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 15:47:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 15:47:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2021-02-21 15:47:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2021-02-21 15:47:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-21 15:47:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 15:47:30,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 15:47:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2021-02-21 15:47:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2021-02-21 15:47:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 15:47:30,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 15:47:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 15:47:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 15:47:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 15:47:30,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-21 15:47:31,133 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 15:47:31,133 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-02-21 15:47:31,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:47:31 BoogieIcfgContainer [2021-02-21 15:47:31,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 15:47:31,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 15:47:31,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 15:47:31,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 15:47:31,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 03:47:30" (1/3) ... [2021-02-21 15:47:31,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c099000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:47:31, skipping insertion in model container [2021-02-21 15:47:31,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:47:30" (2/3) ... [2021-02-21 15:47:31,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c099000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:47:31, skipping insertion in model container [2021-02-21 15:47:31,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:47:31" (3/3) ... [2021-02-21 15:47:31,145 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1300.c [2021-02-21 15:47:31,154 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 15:47:31,159 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 15:47:31,189 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 15:47:31,241 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 15:47:31,242 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 15:47:31,242 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 15:47:31,242 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 15:47:31,242 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 15:47:31,242 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 15:47:31,243 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 15:47:31,243 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 15:47:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2021-02-21 15:47:31,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-02-21 15:47:31,276 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:47:31,277 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] [2021-02-21 15:47:31,277 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:47:31,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:47:31,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1254782813, now seen corresponding path program 1 times [2021-02-21 15:47:31,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:47:31,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840578485] [2021-02-21 15:47:31,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:47:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:47:31,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:31,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:31,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:31,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:31,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:47:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:47:31,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:31,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:31,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:47:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:47:31,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:31,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:31,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:31,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:31,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 15:47:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:47:31,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:31,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:31,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:31,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:31,801 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 15:47:31,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840578485] [2021-02-21 15:47:31,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:47:31,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 15:47:31,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281203643] [2021-02-21 15:47:31,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 15:47:31,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:47:31,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 15:47:31,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 15:47:31,828 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 4 states. [2021-02-21 15:47:32,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:47:32,079 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2021-02-21 15:47:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-21 15:47:32,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2021-02-21 15:47:32,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:47:32,090 INFO L225 Difference]: With dead ends: 66 [2021-02-21 15:47:32,091 INFO L226 Difference]: Without dead ends: 32 [2021-02-21 15:47:32,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-21 15:47:32,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-02-21 15:47:32,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-02-21 15:47:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-02-21 15:47:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2021-02-21 15:47:32,143 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 24 [2021-02-21 15:47:32,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:47:32,143 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2021-02-21 15:47:32,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 15:47:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2021-02-21 15:47:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-21 15:47:32,145 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:47:32,145 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] [2021-02-21 15:47:32,146 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 15:47:32,146 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:47:32,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:47:32,147 INFO L82 PathProgramCache]: Analyzing trace with hash 683770466, now seen corresponding path program 1 times [2021-02-21 15:47:32,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:47:32,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612789358] [2021-02-21 15:47:32,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:47:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:47:32,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:32,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:32,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:32,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2 [2021-02-21 15:47:32,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:32,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:32,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:47:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:47:32,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:32,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:32,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:47:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:47:32,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:32,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:32,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-02-21 15:47:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:47:32,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:47:32,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:47:32,433 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 15:47:32,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612789358] [2021-02-21 15:47:32,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:47:32,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 15:47:32,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694027510] [2021-02-21 15:47:32,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 15:47:32,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:47:32,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 15:47:32,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-21 15:47:32,438 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 5 states. [2021-02-21 15:47:32,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:47:32,619 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2021-02-21 15:47:32,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 15:47:32,620 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-02-21 15:47:32,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:47:32,622 INFO L225 Difference]: With dead ends: 44 [2021-02-21 15:47:32,622 INFO L226 Difference]: Without dead ends: 32 [2021-02-21 15:47:32,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-21 15:47:32,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-02-21 15:47:32,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-02-21 15:47:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2021-02-21 15:47:32,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2021-02-21 15:47:32,647 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 26 [2021-02-21 15:47:32,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:47:32,648 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2021-02-21 15:47:32,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 15:47:32,649 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2021-02-21 15:47:32,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-02-21 15:47:32,650 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:47:32,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 15:47:32,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 15:47:32,651 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:47:32,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:47:32,652 INFO L82 PathProgramCache]: Analyzing trace with hash -133017845, now seen corresponding path program 1 times [2021-02-21 15:47:32,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:47:32,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949793943] [2021-02-21 15:47:32,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:47:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 15:47:32,794 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 15:47:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 15:47:32,873 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 15:47:32,905 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-21 15:47:32,906 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-21 15:47:32,906 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 15:47:32,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 03:47:32 BoogieIcfgContainer [2021-02-21 15:47:32,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 15:47:32,953 INFO L168 Benchmark]: Toolchain (without parser) took 2778.77 ms. Allocated memory is still 158.3 MB. Free memory was 133.1 MB in the beginning and 95.8 MB in the end (delta: 37.3 MB). Peak memory consumption was 37.1 MB. Max. memory is 8.0 GB. [2021-02-21 15:47:32,954 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 158.3 MB. Free memory is still 131.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 15:47:32,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.64 ms. Allocated memory is still 158.3 MB. Free memory was 131.8 MB in the beginning and 121.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-21 15:47:32,955 INFO L168 Benchmark]: Boogie Preprocessor took 66.30 ms. Allocated memory is still 158.3 MB. Free memory was 121.3 MB in the beginning and 119.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-21 15:47:32,956 INFO L168 Benchmark]: RCFGBuilder took 570.87 ms. Allocated memory is still 158.3 MB. Free memory was 119.8 MB in the beginning and 100.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-02-21 15:47:32,957 INFO L168 Benchmark]: TraceAbstraction took 1813.73 ms. Allocated memory is still 158.3 MB. Free memory was 100.4 MB in the beginning and 95.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB. [2021-02-21 15:47:32,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 158.3 MB. Free memory is still 131.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 302.64 ms. Allocated memory is still 158.3 MB. Free memory was 131.8 MB in the beginning and 121.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 66.30 ms. Allocated memory is still 158.3 MB. Free memory was 121.3 MB in the beginning and 119.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 570.87 ms. Allocated memory is still 158.3 MB. Free memory was 119.8 MB in the beginning and 100.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1813.73 ms. Allocated memory is still 158.3 MB. Free memory was 100.4 MB in the beginning and 95.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 61]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 27, overapproximation of bitwiseAnd at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of to_real at line 57. Possible FailurePath: [L52] double x = __VERIFIER_nondet_double(); [L55] CALL, EXPR isinf_double(x) VAL [\old(x)=9223372036853727237] [L19] __int32_t hx, lx; VAL [\old(x)=9223372036853727237, x=9223372036853727237] [L21] ieee_double_shape_type ew_u; [L22] ew_u.value = (x) [L23] EXPR ew_u.parts.msw [L23] (hx) = ew_u.parts.msw [L24] EXPR ew_u.parts.lsw [L24] (lx) = ew_u.parts.lsw [L26] hx &= 0x7fffffff [L27] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L28] hx = 0x7ff00000 - hx [L29] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=9223372036853727237, \result=0, hx=2146435072, lx=-2, x=9223372036853727237] [L55] RET, EXPR isinf_double(x) VAL [isinf_double(x)=0, x=9223372036853727237] [L55] !isinf_double(x) && !isnan_double(x) VAL [!isinf_double(x) && !isnan_double(x)=1, isinf_double(x)=0, x=9223372036853727237] [L55] CALL, EXPR isnan_double(x) VAL [\old(x)=9223372036853727237] [L33] return x != x; VAL [\old(x)=9223372036853727237, \result=0, x=9223372036853727237] [L55] RET, EXPR isnan_double(x) VAL [!isinf_double(x) && !isnan_double(x)=1, isinf_double(x)=0, isnan_double(x)=0, x=9223372036853727237] [L55] !isinf_double(x) && !isnan_double(x) VAL [!isinf_double(x) && !isnan_double(x)=1, isinf_double(x)=0, isnan_double(x)=0, x=9223372036853727237] [L55] COND TRUE !isinf_double(x) && !isnan_double(x) [L57] CALL, EXPR isfinite_double(x) VAL [\old(x)=9223372036853727237] [L36] __int32_t hx; VAL [\old(x)=9223372036853727237, x=9223372036853727237] [L38] ieee_double_shape_type gh_u; [L39] gh_u.value = (x) [L40] EXPR gh_u.parts.msw [L40] (hx) = gh_u.parts.msw [L42] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=9223372036853727237, \result=-1, hx=-3, x=9223372036853727237] [L57] RET, EXPR isfinite_double(x) VAL [isfinite_double(x)=-1, x=9223372036853727237] [L57] double res = isfinite_double(x); [L60] COND TRUE res == 0.0 VAL [x=9223372036853727237] [L61] reach_error() VAL [x=9223372036853727237] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 64 SDtfs, 20 SDslu, 65 SDs, 0 SdLazy, 72 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 3771 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...