/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/terminator_01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 23:37:13,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 23:37:13,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 23:37:13,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 23:37:13,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 23:37:13,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 23:37:13,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 23:37:13,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 23:37:13,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 23:37:13,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 23:37:13,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 23:37:13,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 23:37:13,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 23:37:13,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 23:37:13,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 23:37:13,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 23:37:13,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 23:37:13,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 23:37:13,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 23:37:13,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 23:37:13,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 23:37:13,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 23:37:13,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 23:37:13,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 23:37:13,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 23:37:13,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 23:37:13,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 23:37:13,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 23:37:13,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 23:37:13,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 23:37:13,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 23:37:13,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 23:37:13,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 23:37:13,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 23:37:13,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 23:37:13,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 23:37:13,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 23:37:13,267 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 23:37:13,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 23:37:13,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 23:37:13,269 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 23:37:13,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 23:37:13,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 23:37:13,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 23:37:13,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 23:37:13,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 23:37:13,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 23:37:13,272 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 23:37:13,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 23:37:13,273 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 23:37:13,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 23:37:13,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 23:37:13,273 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 23:37:13,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 23:37:13,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 23:37:13,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 23:37:13,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 23:37:13,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 23:37:13,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 23:37:13,275 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 23:37:13,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 23:37:13,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 23:37:13,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 23:37:13,613 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 23:37:13,613 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 23:37:13,614 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_01.c [2020-07-08 23:37:13,686 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11a02ab6/7599c68d51ae405fa7e19721000086c2/FLAG82899206b [2020-07-08 23:37:14,124 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 23:37:14,125 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_01.c [2020-07-08 23:37:14,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11a02ab6/7599c68d51ae405fa7e19721000086c2/FLAG82899206b [2020-07-08 23:37:14,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11a02ab6/7599c68d51ae405fa7e19721000086c2 [2020-07-08 23:37:14,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 23:37:14,548 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 23:37:14,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 23:37:14,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 23:37:14,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 23:37:14,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:37:14" (1/1) ... [2020-07-08 23:37:14,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14484648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:37:14, skipping insertion in model container [2020-07-08 23:37:14,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 11:37:14" (1/1) ... [2020-07-08 23:37:14,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 23:37:14,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 23:37:14,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:37:14,801 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 23:37:14,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 23:37:14,842 INFO L208 MainTranslator]: Completed translation [2020-07-08 23:37:14,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:37:14 WrapperNode [2020-07-08 23:37:14,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 23:37:14,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 23:37:14,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 23:37:14,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 23:37:14,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:37:14" (1/1) ... [2020-07-08 23:37:14,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:37:14" (1/1) ... [2020-07-08 23:37:14,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:37:14" (1/1) ... [2020-07-08 23:37:14,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:37:14" (1/1) ... [2020-07-08 23:37:14,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:37:14" (1/1) ... [2020-07-08 23:37:14,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:37:14" (1/1) ... [2020-07-08 23:37:14,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:37:14" (1/1) ... [2020-07-08 23:37:14,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 23:37:14,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 23:37:14,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 23:37:14,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 23:37:14,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:37:14" (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 [2020-07-08 23:37:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 23:37:15,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 23:37:15,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 23:37:15,029 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 23:37:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 23:37:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 23:37:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 23:37:15,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 23:37:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 23:37:15,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 23:37:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 23:37:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 23:37:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 23:37:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 23:37:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 23:37:15,302 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 23:37:15,302 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-08 23:37:15,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:37:15 BoogieIcfgContainer [2020-07-08 23:37:15,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 23:37:15,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 23:37:15,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 23:37:15,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 23:37:15,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 11:37:14" (1/3) ... [2020-07-08 23:37:15,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ee31bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:37:15, skipping insertion in model container [2020-07-08 23:37:15,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 11:37:14" (2/3) ... [2020-07-08 23:37:15,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29ee31bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 11:37:15, skipping insertion in model container [2020-07-08 23:37:15,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 11:37:15" (3/3) ... [2020-07-08 23:37:15,314 INFO L109 eAbstractionObserver]: Analyzing ICFG terminator_01.c [2020-07-08 23:37:15,325 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 23:37:15,341 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 23:37:15,373 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 23:37:15,409 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 23:37:15,410 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 23:37:15,410 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 23:37:15,410 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 23:37:15,410 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 23:37:15,410 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 23:37:15,410 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 23:37:15,411 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 23:37:15,425 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states. [2020-07-08 23:37:15,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-07-08 23:37:15,432 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:37:15,433 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:37:15,434 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:37:15,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:37:15,439 INFO L82 PathProgramCache]: Analyzing trace with hash 2009717658, now seen corresponding path program 1 times [2020-07-08 23:37:15,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:37:15,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191330185] [2020-07-08 23:37:15,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:37:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:37:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 23:37:15,657 INFO L280 TraceCheckUtils]: 0: Hoare triple {45#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {38#true} is VALID [2020-07-08 23:37:15,658 INFO L280 TraceCheckUtils]: 1: Hoare triple {38#true} #valid := #valid[0 := 0]; {38#true} is VALID [2020-07-08 23:37:15,658 INFO L280 TraceCheckUtils]: 2: Hoare triple {38#true} assume 0 < #StackHeapBarrier; {38#true} is VALID [2020-07-08 23:37:15,658 INFO L280 TraceCheckUtils]: 3: Hoare triple {38#true} assume true; {38#true} is VALID [2020-07-08 23:37:15,659 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {38#true} {38#true} #49#return; {38#true} is VALID [2020-07-08 23:37:15,663 INFO L263 TraceCheckUtils]: 0: Hoare triple {38#true} call ULTIMATE.init(); {45#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 23:37:15,663 INFO L280 TraceCheckUtils]: 1: Hoare triple {45#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {38#true} is VALID [2020-07-08 23:37:15,664 INFO L280 TraceCheckUtils]: 2: Hoare triple {38#true} #valid := #valid[0 := 0]; {38#true} is VALID [2020-07-08 23:37:15,664 INFO L280 TraceCheckUtils]: 3: Hoare triple {38#true} assume 0 < #StackHeapBarrier; {38#true} is VALID [2020-07-08 23:37:15,664 INFO L280 TraceCheckUtils]: 4: Hoare triple {38#true} assume true; {38#true} is VALID [2020-07-08 23:37:15,665 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {38#true} {38#true} #49#return; {38#true} is VALID [2020-07-08 23:37:15,665 INFO L263 TraceCheckUtils]: 6: Hoare triple {38#true} call #t~ret4 := main(); {38#true} is VALID [2020-07-08 23:37:15,665 INFO L280 TraceCheckUtils]: 7: Hoare triple {38#true} SUMMARY for call ~#x~0.base, ~#x~0.offset := #Ultimate.allocOnStack(4); srcloc: mainENTRY {38#true} is VALID [2020-07-08 23:37:15,666 INFO L280 TraceCheckUtils]: 8: Hoare triple {38#true} assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; {38#true} is VALID [2020-07-08 23:37:15,666 INFO L280 TraceCheckUtils]: 9: Hoare triple {38#true} SUMMARY for call write~init~int(#t~nondet0, ~#x~0.base, ~#x~0.offset, 4); srcloc: L13-1 {38#true} is VALID [2020-07-08 23:37:15,667 INFO L280 TraceCheckUtils]: 10: Hoare triple {38#true} havoc #t~nondet0; {38#true} is VALID [2020-07-08 23:37:15,667 INFO L280 TraceCheckUtils]: 11: Hoare triple {38#true} ~p~0.base, ~p~0.offset := ~#x~0.base, ~#x~0.offset; {38#true} is VALID [2020-07-08 23:37:15,668 INFO L280 TraceCheckUtils]: 12: Hoare triple {38#true} assume !true; {39#false} is VALID [2020-07-08 23:37:15,668 INFO L263 TraceCheckUtils]: 13: Hoare triple {39#false} call __VERIFIER_assert(0); {39#false} is VALID [2020-07-08 23:37:15,669 INFO L280 TraceCheckUtils]: 14: Hoare triple {39#false} ~cond := #in~cond; {39#false} is VALID [2020-07-08 23:37:15,669 INFO L280 TraceCheckUtils]: 15: Hoare triple {39#false} assume 0 == ~cond; {39#false} is VALID [2020-07-08 23:37:15,670 INFO L280 TraceCheckUtils]: 16: Hoare triple {39#false} assume !false; {39#false} is VALID [2020-07-08 23:37:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 23:37:15,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191330185] [2020-07-08 23:37:15,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 23:37:15,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-08 23:37:15,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670180767] [2020-07-08 23:37:15,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-08 23:37:15,685 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 23:37:15,688 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-08 23:37:15,741 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:37:15,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-08 23:37:15,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 23:37:15,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-08 23:37:15,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 23:37:15,754 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 3 states. [2020-07-08 23:37:15,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:37:15,959 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2020-07-08 23:37:15,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-08 23:37:15,959 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-07-08 23:37:15,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 23:37:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 23:37:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2020-07-08 23:37:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-08 23:37:15,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 52 transitions. [2020-07-08 23:37:15,976 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 52 transitions. [2020-07-08 23:37:16,052 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:37:16,064 INFO L225 Difference]: With dead ends: 49 [2020-07-08 23:37:16,064 INFO L226 Difference]: Without dead ends: 26 [2020-07-08 23:37:16,068 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-08 23:37:16,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-07-08 23:37:16,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-07-08 23:37:16,128 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 23:37:16,129 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand 26 states. [2020-07-08 23:37:16,129 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2020-07-08 23:37:16,129 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2020-07-08 23:37:16,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:37:16,133 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2020-07-08 23:37:16,134 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2020-07-08 23:37:16,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:37:16,135 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:37:16,135 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand 26 states. [2020-07-08 23:37:16,135 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 26 states. [2020-07-08 23:37:16,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 23:37:16,140 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2020-07-08 23:37:16,140 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2020-07-08 23:37:16,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 23:37:16,141 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 23:37:16,141 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 23:37:16,141 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 23:37:16,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-07-08 23:37:16,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2020-07-08 23:37:16,146 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 17 [2020-07-08 23:37:16,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 23:37:16,147 INFO L479 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2020-07-08 23:37:16,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-08 23:37:16,147 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 26 transitions. [2020-07-08 23:37:16,196 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 23:37:16,196 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2020-07-08 23:37:16,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-07-08 23:37:16,197 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 23:37:16,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 23:37:16,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 23:37:16,198 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 23:37:16,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 23:37:16,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1896871379, now seen corresponding path program 1 times [2020-07-08 23:37:16,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 23:37:16,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141101920] [2020-07-08 23:37:16,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 23:37:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 23:37:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 23:37:16,277 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 23:37:16,277 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 23:37:16,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 23:37:16,306 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 23:37:16,306 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:37:16,306 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 23:37:16,306 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 23:37:16,306 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 23:37:16,306 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:37:16,307 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:37:16,307 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 23:37:16,307 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 23:37:16,307 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-08 23:37:16,307 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-08 23:37:16,307 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 23:37:16,307 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 23:37:16,308 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 23:37:16,308 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-08 23:37:16,308 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-08 23:37:16,308 WARN L170 areAnnotationChecker]: L4-2 has no Hoare annotation [2020-07-08 23:37:16,308 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 23:37:16,308 WARN L170 areAnnotationChecker]: L13-2 has no Hoare annotation [2020-07-08 23:37:16,308 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 23:37:16,309 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 23:37:16,309 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-08 23:37:16,309 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-08 23:37:16,309 WARN L170 areAnnotationChecker]: L16-5 has no Hoare annotation [2020-07-08 23:37:16,309 WARN L170 areAnnotationChecker]: L16-5 has no Hoare annotation [2020-07-08 23:37:16,309 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-08 23:37:16,309 WARN L170 areAnnotationChecker]: L16-6 has no Hoare annotation [2020-07-08 23:37:16,310 WARN L170 areAnnotationChecker]: L16-6 has no Hoare annotation [2020-07-08 23:37:16,310 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 23:37:16,310 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 23:37:16,310 WARN L170 areAnnotationChecker]: L13-4 has no Hoare annotation [2020-07-08 23:37:16,310 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-08 23:37:16,310 WARN L170 areAnnotationChecker]: L16-4 has no Hoare annotation [2020-07-08 23:37:16,310 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 23:37:16,311 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-08 23:37:16,311 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 23:37:16,311 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2020-07-08 23:37:16,311 WARN L170 areAnnotationChecker]: L17-2 has no Hoare annotation [2020-07-08 23:37:16,311 WARN L170 areAnnotationChecker]: L17-3 has no Hoare annotation [2020-07-08 23:37:16,311 WARN L170 areAnnotationChecker]: L17-4 has no Hoare annotation [2020-07-08 23:37:16,312 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. [2020-07-08 23:37:16,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 11:37:16 BoogieIcfgContainer [2020-07-08 23:37:16,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 23:37:16,318 INFO L168 Benchmark]: Toolchain (without parser) took 1770.07 ms. Allocated memory was 137.4 MB in the beginning and 231.7 MB in the end (delta: 94.4 MB). Free memory was 102.8 MB in the beginning and 198.0 MB in the end (delta: -95.2 MB). Peak memory consumption was 86.9 MB. Max. memory is 7.1 GB. [2020-07-08 23:37:16,319 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-08 23:37:16,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.76 ms. Allocated memory is still 137.4 MB. Free memory was 102.6 MB in the beginning and 92.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-08 23:37:16,321 INFO L168 Benchmark]: Boogie Preprocessor took 121.50 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 92.5 MB in the beginning and 178.3 MB in the end (delta: -85.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2020-07-08 23:37:16,322 INFO L168 Benchmark]: RCFGBuilder took 339.94 ms. Allocated memory is still 199.8 MB. Free memory was 177.9 MB in the beginning and 158.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. [2020-07-08 23:37:16,323 INFO L168 Benchmark]: TraceAbstraction took 1008.61 ms. Allocated memory was 199.8 MB in the beginning and 231.7 MB in the end (delta: 32.0 MB). Free memory was 158.6 MB in the beginning and 198.0 MB in the end (delta: -39.4 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. [2020-07-08 23:37:16,327 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 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 294.76 ms. Allocated memory is still 137.4 MB. Free memory was 102.6 MB in the beginning and 92.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.50 ms. Allocated memory was 137.4 MB in the beginning and 199.8 MB in the end (delta: 62.4 MB). Free memory was 92.5 MB in the beginning and 178.3 MB in the end (delta: -85.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 339.94 ms. Allocated memory is still 199.8 MB. Free memory was 177.9 MB in the beginning and 158.6 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1008.61 ms. Allocated memory was 199.8 MB in the beginning and 231.7 MB in the end (delta: 32.0 MB). Free memory was 158.6 MB in the beginning and 198.0 MB in the end (delta: -39.4 MB). Peak memory consumption was 80.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] int x=__VERIFIER_nondet_int(); VAL [x={2:0}] [L13] int x=__VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=100, x={2:0}] [L14] int *p = &x; VAL [p={2:0}, x={2:0}] [L16] EXPR \read(x) VAL [\read(x)=100, p={2:0}, x={2:0}] [L16] COND FALSE !(x<100) VAL [\read(x)=100, p={2:0}, x={2:0}] [L19] CALL __VERIFIER_assert(0) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 5 SDslu, 5 SDs, 0 SdLazy, 23 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 incorrect! Received shutdown request...