/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:20:34,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:20:34,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:20:34,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:20:34,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:20:34,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:20:34,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:20:34,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:20:34,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:20:34,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:20:34,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:20:34,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:20:34,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:20:34,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:20:34,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:20:34,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:20:34,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:20:34,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:20:34,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:20:34,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:20:34,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:20:34,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:20:34,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:20:34,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:20:34,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 00:20:34,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:20:34,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:20:34,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:20:34,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:20:34,287 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:20:34,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:20:34,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:20:34,290 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:20:34,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:20:34,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:20:34,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:20:34,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:20:34,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:20:34,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:20:34,291 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:20:34,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:20:34,292 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:20:34,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:20:34,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:20:34,293 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:20:34,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:20:34,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:20:34,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:20:34,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:20:34,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:20:34,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:20:34,294 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:20:34,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:20:34,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:20:34,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:20:34,691 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:20:34,691 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:20:34,692 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i [2020-07-18 00:20:34,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71775429d/704c8d997ffc4a3d853d939de14744af/FLAG157470e78 [2020-07-18 00:20:35,254 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:20:35,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/mutex_lock_struct.i [2020-07-18 00:20:35,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71775429d/704c8d997ffc4a3d853d939de14744af/FLAG157470e78 [2020-07-18 00:20:35,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71775429d/704c8d997ffc4a3d853d939de14744af [2020-07-18 00:20:35,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:20:35,608 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:20:35,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:20:35,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:20:35,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:20:35,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:20:35" (1/1) ... [2020-07-18 00:20:35,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73021cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:35, skipping insertion in model container [2020-07-18 00:20:35,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:20:35" (1/1) ... [2020-07-18 00:20:35,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:20:35,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:20:35,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:20:35,898 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:20:35,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:20:35,956 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:20:35,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:35 WrapperNode [2020-07-18 00:20:35,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:20:35,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:20:35,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:20:35,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:20:35,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:35" (1/1) ... [2020-07-18 00:20:35,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:35" (1/1) ... [2020-07-18 00:20:36,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:35" (1/1) ... [2020-07-18 00:20:36,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:35" (1/1) ... [2020-07-18 00:20:36,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:35" (1/1) ... [2020-07-18 00:20:36,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:35" (1/1) ... [2020-07-18 00:20:36,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:35" (1/1) ... [2020-07-18 00:20:36,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:20:36,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:20:36,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:20:36,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:20:36,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:35" (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 [2020-07-18 00:20:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:20:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:20:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure err [2020-07-18 00:20:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-07-18 00:20:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-07-18 00:20:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:20:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:20:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure err [2020-07-18 00:20:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-07-18 00:20:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 00:20:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 00:20:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-07-18 00:20:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:20:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 00:20:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 00:20:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:20:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:20:36,631 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:20:36,631 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:20:36,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:20:36 BoogieIcfgContainer [2020-07-18 00:20:36,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:20:36,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:20:36,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:20:36,657 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:20:36,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:20:35" (1/3) ... [2020-07-18 00:20:36,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cd2e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:20:36, skipping insertion in model container [2020-07-18 00:20:36,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:20:35" (2/3) ... [2020-07-18 00:20:36,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8cd2e3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:20:36, skipping insertion in model container [2020-07-18 00:20:36,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:20:36" (3/3) ... [2020-07-18 00:20:36,663 INFO L109 eAbstractionObserver]: Analyzing ICFG mutex_lock_struct.i [2020-07-18 00:20:36,679 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:20:36,692 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:20:36,715 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:20:36,754 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:20:36,755 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:20:36,756 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:20:36,756 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:20:36,757 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:20:36,757 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:20:36,757 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:20:36,758 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:20:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-07-18 00:20:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-18 00:20:36,811 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:20:36,813 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:20:36,813 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:20:36,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:20:36,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1355543847, now seen corresponding path program 1 times [2020-07-18 00:20:36,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:20:36,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328450459] [2020-07-18 00:20:36,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:20:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 00:20:37,387 INFO L280 TraceCheckUtils]: 0: Hoare triple {47#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {36#true} is VALID [2020-07-18 00:20:37,388 INFO L280 TraceCheckUtils]: 1: Hoare triple {36#true} #valid := #valid[0 := 0]; {36#true} is VALID [2020-07-18 00:20:37,388 INFO L280 TraceCheckUtils]: 2: Hoare triple {36#true} assume 0 < #StackHeapBarrier; {36#true} is VALID [2020-07-18 00:20:37,389 INFO L280 TraceCheckUtils]: 3: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-18 00:20:37,389 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {36#true} {36#true} #48#return; {36#true} is VALID [2020-07-18 00:20:37,396 INFO L263 TraceCheckUtils]: 0: Hoare triple {36#true} call ULTIMATE.init(); {47#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 00:20:37,396 INFO L280 TraceCheckUtils]: 1: Hoare triple {47#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {36#true} is VALID [2020-07-18 00:20:37,397 INFO L280 TraceCheckUtils]: 2: Hoare triple {36#true} #valid := #valid[0 := 0]; {36#true} is VALID [2020-07-18 00:20:37,397 INFO L280 TraceCheckUtils]: 3: Hoare triple {36#true} assume 0 < #StackHeapBarrier; {36#true} is VALID [2020-07-18 00:20:37,397 INFO L280 TraceCheckUtils]: 4: Hoare triple {36#true} assume true; {36#true} is VALID [2020-07-18 00:20:37,398 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {36#true} {36#true} #48#return; {36#true} is VALID [2020-07-18 00:20:37,399 INFO L263 TraceCheckUtils]: 6: Hoare triple {36#true} call #t~ret2 := main(); {36#true} is VALID [2020-07-18 00:20:37,399 INFO L280 TraceCheckUtils]: 7: Hoare triple {36#true} SUMMARY for call ~#m~0.base, ~#m~0.offset := #Ultimate.allocOnStack(4); srcloc: mainENTRY {36#true} is VALID [2020-07-18 00:20:37,402 INFO L280 TraceCheckUtils]: 8: Hoare triple {36#true} SUMMARY for call write~int(0, ~#m~0.base, ~#m~0.offset, 4); srcloc: L33 {43#(= 0 (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|))} is VALID [2020-07-18 00:20:37,405 INFO L263 TraceCheckUtils]: 9: Hoare triple {43#(= 0 (select (select |#memory_int| |main_~#m~0.base|) |main_~#m~0.offset|))} call mutex_lock(~#m~0.base, ~#m~0.offset); {44#(= (select (select |#memory_int| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|) 0)} is VALID [2020-07-18 00:20:37,407 INFO L280 TraceCheckUtils]: 10: Hoare triple {44#(= (select (select |#memory_int| |mutex_lock_#in~a.base|) |mutex_lock_#in~a.offset|) 0)} ~a.base, ~a.offset := #in~a.base, #in~a.offset; {45#(= 0 (select (select |#memory_int| mutex_lock_~a.base) mutex_lock_~a.offset))} is VALID [2020-07-18 00:20:37,409 INFO L280 TraceCheckUtils]: 11: Hoare triple {45#(= 0 (select (select |#memory_int| mutex_lock_~a.base) mutex_lock_~a.offset))} SUMMARY for call #t~mem0 := read~int(~a.base, ~a.offset, 4); srcloc: L21 {46#(= 0 |mutex_lock_#t~mem0|)} is VALID [2020-07-18 00:20:37,411 INFO L280 TraceCheckUtils]: 12: Hoare triple {46#(= 0 |mutex_lock_#t~mem0|)} assume 1 == #t~mem0; {37#false} is VALID [2020-07-18 00:20:37,412 INFO L280 TraceCheckUtils]: 13: Hoare triple {37#false} havoc #t~mem0; {37#false} is VALID [2020-07-18 00:20:37,412 INFO L263 TraceCheckUtils]: 14: Hoare triple {37#false} call err(); {37#false} is VALID [2020-07-18 00:20:37,413 INFO L280 TraceCheckUtils]: 15: Hoare triple {37#false} assume !false; {37#false} is VALID [2020-07-18 00:20:37,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 00:20:37,426 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:20:37,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328450459] [2020-07-18 00:20:37,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 00:20:37,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-18 00:20:37,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489760996] [2020-07-18 00:20:37,440 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-07-18 00:20:37,443 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 00:20:37,448 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2020-07-18 00:20:37,492 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:37,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-18 00:20:37,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 00:20:37,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-18 00:20:37,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-07-18 00:20:37,505 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 7 states. [2020-07-18 00:20:38,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:38,404 INFO L93 Difference]: Finished difference Result 53 states and 58 transitions. [2020-07-18 00:20:38,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-18 00:20:38,404 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2020-07-18 00:20:38,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 00:20:38,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:20:38,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 58 transitions. [2020-07-18 00:20:38,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-18 00:20:38,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 58 transitions. [2020-07-18 00:20:38,426 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 58 transitions. [2020-07-18 00:20:38,524 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:38,538 INFO L225 Difference]: With dead ends: 53 [2020-07-18 00:20:38,539 INFO L226 Difference]: Without dead ends: 25 [2020-07-18 00:20:38,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-07-18 00:20:38,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-07-18 00:20:38,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-07-18 00:20:38,651 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 00:20:38,652 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 25 states. [2020-07-18 00:20:38,653 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-18 00:20:38,653 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-18 00:20:38,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:38,660 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-07-18 00:20:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-07-18 00:20:38,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:20:38,661 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:20:38,661 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 25 states. [2020-07-18 00:20:38,662 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 25 states. [2020-07-18 00:20:38,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 00:20:38,666 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-07-18 00:20:38,666 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-07-18 00:20:38,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 00:20:38,667 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 00:20:38,667 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 00:20:38,667 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 00:20:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-07-18 00:20:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2020-07-18 00:20:38,673 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 16 [2020-07-18 00:20:38,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 00:20:38,674 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2020-07-18 00:20:38,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-18 00:20:38,674 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 24 transitions. [2020-07-18 00:20:38,718 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 00:20:38,718 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2020-07-18 00:20:38,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-07-18 00:20:38,720 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:20:38,720 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:20:38,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:20:38,721 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:20:38,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:20:38,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1636243467, now seen corresponding path program 1 times [2020-07-18 00:20:38,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:20:38,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121813399] [2020-07-18 00:20:38,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:20:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:20:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:20:38,821 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:20:38,823 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 00:20:38,826 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 00:20:38,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-18 00:20:38,849 WARN L170 areAnnotationChecker]: mutex_unlockENTRY has no Hoare annotation [2020-07-18 00:20:38,849 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-18 00:20:38,858 WARN L170 areAnnotationChecker]: errENTRY has no Hoare annotation [2020-07-18 00:20:38,859 WARN L170 areAnnotationChecker]: errENTRY has no Hoare annotation [2020-07-18 00:20:38,859 WARN L170 areAnnotationChecker]: mutex_lockENTRY has no Hoare annotation [2020-07-18 00:20:38,859 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:20:38,859 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:20:38,860 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 00:20:38,860 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 00:20:38,860 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:20:38,860 WARN L170 areAnnotationChecker]: errFINAL has no Hoare annotation [2020-07-18 00:20:38,861 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-18 00:20:38,861 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:20:38,861 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:20:38,861 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-18 00:20:38,861 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-18 00:20:38,861 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-18 00:20:38,861 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-18 00:20:38,862 WARN L170 areAnnotationChecker]: errEXIT has no Hoare annotation [2020-07-18 00:20:38,862 WARN L170 areAnnotationChecker]: errEXIT has no Hoare annotation [2020-07-18 00:20:38,862 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-18 00:20:38,862 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-18 00:20:38,862 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 00:20:38,862 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-18 00:20:38,862 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-18 00:20:38,862 WARN L170 areAnnotationChecker]: L27-2 has no Hoare annotation [2020-07-18 00:20:38,863 WARN L170 areAnnotationChecker]: L27-5 has no Hoare annotation [2020-07-18 00:20:38,863 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 00:20:38,863 WARN L170 areAnnotationChecker]: L27-6 has no Hoare annotation [2020-07-18 00:20:38,863 WARN L170 areAnnotationChecker]: L21-6 has no Hoare annotation [2020-07-18 00:20:38,863 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2020-07-18 00:20:38,863 WARN L170 areAnnotationChecker]: L21-5 has no Hoare annotation [2020-07-18 00:20:38,864 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-18 00:20:38,864 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2020-07-18 00:20:38,864 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2020-07-18 00:20:38,864 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2020-07-18 00:20:38,864 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 00:20:38,864 WARN L170 areAnnotationChecker]: mutex_unlockFINAL has no Hoare annotation [2020-07-18 00:20:38,864 WARN L170 areAnnotationChecker]: mutex_lockFINAL has no Hoare annotation [2020-07-18 00:20:38,865 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2020-07-18 00:20:38,865 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2020-07-18 00:20:38,865 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-18 00:20:38,865 WARN L170 areAnnotationChecker]: mutex_lockEXIT has no Hoare annotation [2020-07-18 00:20:38,865 WARN L170 areAnnotationChecker]: mutex_lockEXIT has no Hoare annotation [2020-07-18 00:20:38,865 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-18 00:20:38,865 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 00:20:38,866 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 00:20:38,866 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 00:20:38,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:20:38 BoogieIcfgContainer [2020-07-18 00:20:38,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:20:38,876 INFO L168 Benchmark]: Toolchain (without parser) took 3268.96 ms. Allocated memory was 144.2 MB in the beginning and 233.8 MB in the end (delta: 89.7 MB). Free memory was 101.8 MB in the beginning and 141.8 MB in the end (delta: -40.0 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:38,880 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 144.2 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:20:38,881 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.20 ms. Allocated memory is still 144.2 MB. Free memory was 101.4 MB in the beginning and 91.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:38,883 INFO L168 Benchmark]: Boogie Preprocessor took 174.66 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 91.4 MB in the beginning and 180.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:38,884 INFO L168 Benchmark]: RCFGBuilder took 508.86 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 160.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:38,886 INFO L168 Benchmark]: TraceAbstraction took 2225.27 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 160.8 MB in the beginning and 141.8 MB in the end (delta: 19.0 MB). Peak memory consumption was 50.5 MB. Max. memory is 7.1 GB. [2020-07-18 00:20:38,899 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 144.2 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 348.20 ms. Allocated memory is still 144.2 MB. Free memory was 101.4 MB in the beginning and 91.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 174.66 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 91.4 MB in the beginning and 180.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 508.86 ms. Allocated memory is still 202.4 MB. Free memory was 180.6 MB in the beginning and 160.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2225.27 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 160.8 MB in the beginning and 141.8 MB in the end (delta: 19.0 MB). Peak memory consumption was 50.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L33] struct mutex m; [L34] m.is_locked = 0 [L36] CALL mutex_lock(&m) [L21] EXPR a->is_locked [L21] COND FALSE !(a->is_locked == 1) [L22] a->is_locked = 1 [L36] RET mutex_lock(&m) [L40] CALL mutex_lock(&m) [L21] EXPR a->is_locked [L21] COND TRUE a->is_locked == 1 [L21] CALL err() [L13] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 21 SDslu, 67 SDs, 0 SdLazy, 62 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, 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 incorrect! Received shutdown request...