/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 12:25:47,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 12:25:47,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 12:25:47,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 12:25:47,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 12:25:47,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 12:25:47,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 12:25:47,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 12:25:47,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 12:25:47,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 12:25:47,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 12:25:47,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 12:25:47,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 12:25:47,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 12:25:47,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 12:25:47,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 12:25:47,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 12:25:47,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 12:25:47,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 12:25:47,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 12:25:47,276 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 12:25:47,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 12:25:47,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 12:25:47,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 12:25:47,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 12:25:47,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 12:25:47,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 12:25:47,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 12:25:47,304 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 [2020-07-08 12:25:47,329 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 12:25:47,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 12:25:47,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 12:25:47,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 12:25:47,333 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 12:25:47,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 12:25:47,333 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 12:25:47,333 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 12:25:47,333 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 12:25:47,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 12:25:47,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 12:25:47,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 12:25:47,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 12:25:47,336 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 12:25:47,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 12:25:47,336 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 12:25:47,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 12:25:47,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 12:25:47,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 12:25:47,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 12:25:47,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 12:25:47,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 12:25:47,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 12:25:47,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 12:25:47,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 12:25:47,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 12:25:47,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 12:25:47,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 12:25:47,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 12:25:47,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 12:25:47,611 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 12:25:47,635 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 12:25:47,639 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 12:25:47,641 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 12:25:47,641 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 12:25:47,642 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2020-07-08 12:25:47,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f386a912f/30272a95b7664a5ab0cd127962252b3d/FLAG88b856147 [2020-07-08 12:25:48,257 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 12:25:48,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2020-07-08 12:25:48,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f386a912f/30272a95b7664a5ab0cd127962252b3d/FLAG88b856147 [2020-07-08 12:25:48,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f386a912f/30272a95b7664a5ab0cd127962252b3d [2020-07-08 12:25:48,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 12:25:48,623 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 12:25:48,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 12:25:48,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 12:25:48,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 12:25:48,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:25:48" (1/1) ... [2020-07-08 12:25:48,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc26102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:48, skipping insertion in model container [2020-07-08 12:25:48,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:25:48" (1/1) ... [2020-07-08 12:25:48,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 12:25:48,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 12:25:48,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:25:48,869 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 12:25:48,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:25:48,910 INFO L208 MainTranslator]: Completed translation [2020-07-08 12:25:48,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:48 WrapperNode [2020-07-08 12:25:48,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 12:25:48,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 12:25:48,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 12:25:48,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 12:25:49,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:48" (1/1) ... [2020-07-08 12:25:49,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:48" (1/1) ... [2020-07-08 12:25:49,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:48" (1/1) ... [2020-07-08 12:25:49,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:48" (1/1) ... [2020-07-08 12:25:49,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:48" (1/1) ... [2020-07-08 12:25:49,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:48" (1/1) ... [2020-07-08 12:25:49,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:48" (1/1) ... [2020-07-08 12:25:49,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 12:25:49,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 12:25:49,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 12:25:49,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 12:25:49,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:48" (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 12:25:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 12:25:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 12:25:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-07-08 12:25:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2020-07-08 12:25:49,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 12:25:49,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 12:25:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-07-08 12:25:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 12:25:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 12:25:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2020-07-08 12:25:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 12:25:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 12:25:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 12:25:49,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 12:25:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 12:25:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-08 12:25:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 12:25:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 12:25:49,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 12:25:49,495 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 12:25:49,496 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 12:25:49,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:25:49 BoogieIcfgContainer [2020-07-08 12:25:49,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 12:25:49,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 12:25:49,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 12:25:49,505 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 12:25:49,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 12:25:48" (1/3) ... [2020-07-08 12:25:49,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f72e5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:25:49, skipping insertion in model container [2020-07-08 12:25:49,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:48" (2/3) ... [2020-07-08 12:25:49,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f72e5d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:25:49, skipping insertion in model container [2020-07-08 12:25:49,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:25:49" (3/3) ... [2020-07-08 12:25:49,510 INFO L109 eAbstractionObserver]: Analyzing ICFG test30-1.c [2020-07-08 12:25:49,524 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 12:25:49,532 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 12:25:49,547 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 12:25:49,571 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 12:25:49,571 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 12:25:49,571 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 12:25:49,572 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 12:25:49,572 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 12:25:49,572 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 12:25:49,572 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 12:25:49,572 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 12:25:49,590 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-07-08 12:25:49,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-08 12:25:49,597 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:25:49,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:25:49,599 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:25:49,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:25:49,607 INFO L82 PathProgramCache]: Analyzing trace with hash -457594768, now seen corresponding path program 1 times [2020-07-08 12:25:49,619 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:25:49,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036413555] [2020-07-08 12:25:49,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:25:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:25:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:25:50,285 INFO L280 TraceCheckUtils]: 0: Hoare triple {43#(and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#global~0.base| |old(~#global~0.base)|) (= |#valid| |old(#valid)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(1, ~#a~0.base, ~#a~0.offset, 4);call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#b~0.base, ~#b~0.offset, 4);call ~#global~0.base, ~#global~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#a~0.base, ~#a~0.offset, ~#global~0.base, ~#global~0.offset, 4);call write~init~$Pointer$(~#b~0.base, ~#b~0.offset, ~#global~0.base, 4 + ~#global~0.offset, 4); {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-08 12:25:50,288 INFO L280 TraceCheckUtils]: 1: Hoare triple {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} assume true; {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-08 12:25:50,290 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} {26#true} #25#return; {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-08 12:25:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:25:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:25:50,644 INFO L280 TraceCheckUtils]: 0: Hoare triple {44#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem0 := read~int(~pb.base, ~pb.offset, 4);call write~int(#t~mem0, ~pa.base, ~pa.offset, 4);havoc #t~mem0; {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-08 12:25:50,645 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} assume true; {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-08 12:25:50,649 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} {45#(and (or (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) 4)) (not (= 4 |assign2_#in~pb.offset|))) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (or (and (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|)) (not (= 4 |assign2_#in~pb.offset|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} #29#return; {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-08 12:25:50,652 INFO L280 TraceCheckUtils]: 0: Hoare triple {44#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~pa.base, ~pa.offset, 4);call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~pb.base, ~pb.offset, 4); {45#(and (or (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) 4)) (not (= 4 |assign2_#in~pb.offset|))) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (or (and (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|)) (not (= 4 |assign2_#in~pb.offset|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 12:25:50,655 INFO L263 TraceCheckUtils]: 1: Hoare triple {45#(and (or (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) 4)) (not (= 4 |assign2_#in~pb.offset|))) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (or (and (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|)) (not (= 4 |assign2_#in~pb.offset|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call assign(#t~mem1.base, #t~mem1.offset, #t~mem2.base, #t~mem2.offset); {44#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 12:25:50,657 INFO L280 TraceCheckUtils]: 2: Hoare triple {44#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem0 := read~int(~pb.base, ~pb.offset, 4);call write~int(#t~mem0, ~pa.base, ~pa.offset, 4);havoc #t~mem0; {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-08 12:25:50,658 INFO L280 TraceCheckUtils]: 3: Hoare triple {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} assume true; {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-08 12:25:50,661 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} {45#(and (or (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) 4)) (not (= 4 |assign2_#in~pb.offset|))) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (or (and (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|)) (not (= 4 |assign2_#in~pb.offset|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} #29#return; {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-08 12:25:50,662 INFO L280 TraceCheckUtils]: 5: Hoare triple {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} havoc #t~mem2.base, #t~mem2.offset;havoc #t~mem1.base, #t~mem1.offset; {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-08 12:25:50,664 INFO L280 TraceCheckUtils]: 6: Hoare triple {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} assume true; {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-08 12:25:50,667 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} {32#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| main_~pd~0.base) main_~pd~0.offset) |~#a~0.base|) (= 0 main_~pd~0.offset) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| main_~pd~0.base) main_~pd~0.offset) |~#a~0.offset|) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) 4)))} #23#return; {41#(= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))} is VALID [2020-07-08 12:25:50,671 INFO L263 TraceCheckUtils]: 0: Hoare triple {26#true} call ULTIMATE.init(); {43#(and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#global~0.base| |old(~#global~0.base)|) (= |#valid| |old(#valid)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 12:25:50,674 INFO L280 TraceCheckUtils]: 1: Hoare triple {43#(and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#global~0.base| |old(~#global~0.base)|) (= |#valid| |old(#valid)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call write~init~int(1, ~#a~0.base, ~#a~0.offset, 4);call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4);call write~init~int(0, ~#b~0.base, ~#b~0.offset, 4);call ~#global~0.base, ~#global~0.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(~#a~0.base, ~#a~0.offset, ~#global~0.base, ~#global~0.offset, 4);call write~init~$Pointer$(~#b~0.base, ~#b~0.offset, ~#global~0.base, 4 + ~#global~0.offset, 4); {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-08 12:25:50,675 INFO L280 TraceCheckUtils]: 2: Hoare triple {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} assume true; {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-08 12:25:50,678 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} {26#true} #25#return; {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-08 12:25:50,680 INFO L263 TraceCheckUtils]: 4: Hoare triple {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} call #t~ret5 := main(); {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-08 12:25:50,682 INFO L280 TraceCheckUtils]: 5: Hoare triple {31#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} ~pd~0.base, ~pd~0.offset := ~#global~0.base, ~#global~0.offset; {32#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| main_~pd~0.base) main_~pd~0.offset) |~#a~0.base|) (= 0 main_~pd~0.offset) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| main_~pd~0.base) main_~pd~0.offset) |~#a~0.offset|) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) 4)))} is VALID [2020-07-08 12:25:50,685 INFO L263 TraceCheckUtils]: 6: Hoare triple {32#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| main_~pd~0.base) main_~pd~0.offset) |~#a~0.base|) (= 0 main_~pd~0.offset) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| main_~pd~0.base) main_~pd~0.offset) |~#a~0.offset|) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) 4)))} call assign2(~pd~0.base, ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); {44#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 12:25:50,687 INFO L280 TraceCheckUtils]: 7: Hoare triple {44#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~pa.base, ~pa.offset, 4);call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~pb.base, ~pb.offset, 4); {45#(and (or (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) 4)) (not (= 4 |assign2_#in~pb.offset|))) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (or (and (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|)) (not (= 4 |assign2_#in~pb.offset|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 12:25:50,690 INFO L263 TraceCheckUtils]: 8: Hoare triple {45#(and (or (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) 4)) (not (= 4 |assign2_#in~pb.offset|))) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (or (and (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|)) (not (= 4 |assign2_#in~pb.offset|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call assign(#t~mem1.base, #t~mem1.offset, #t~mem2.base, #t~mem2.offset); {44#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-08 12:25:50,692 INFO L280 TraceCheckUtils]: 9: Hoare triple {44#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset;~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset;call #t~mem0 := read~int(~pb.base, ~pb.offset, 4);call write~int(#t~mem0, ~pa.base, ~pa.offset, 4);havoc #t~mem0; {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-08 12:25:50,693 INFO L280 TraceCheckUtils]: 10: Hoare triple {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} assume true; {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-08 12:25:50,697 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {50#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} {45#(and (or (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) 4)) (not (= 4 |assign2_#in~pb.offset|))) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (or (and (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|)) (not (= 4 |assign2_#in~pb.offset|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} #29#return; {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-08 12:25:50,698 INFO L280 TraceCheckUtils]: 12: Hoare triple {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} havoc #t~mem2.base, #t~mem2.offset;havoc #t~mem1.base, #t~mem1.offset; {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-08 12:25:50,700 INFO L280 TraceCheckUtils]: 13: Hoare triple {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} assume true; {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-08 12:25:50,703 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {49#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} {32#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| main_~pd~0.base) main_~pd~0.offset) |~#a~0.base|) (= 0 main_~pd~0.offset) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| main_~pd~0.base) main_~pd~0.offset) |~#a~0.offset|) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) 4)))} #23#return; {41#(= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))} is VALID [2020-07-08 12:25:50,705 INFO L280 TraceCheckUtils]: 15: Hoare triple {41#(= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))} call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset, 4);call #t~mem4 := read~int(~#b~0.base, ~#b~0.offset, 4); {42#(= |main_#t~mem4| |main_#t~mem3|)} is VALID [2020-07-08 12:25:50,706 INFO L280 TraceCheckUtils]: 16: Hoare triple {42#(= |main_#t~mem4| |main_#t~mem3|)} assume #t~mem3 != #t~mem4;havoc #t~mem3;havoc #t~mem4; {27#false} is VALID [2020-07-08 12:25:50,707 INFO L280 TraceCheckUtils]: 17: Hoare triple {27#false} assume !false; {27#false} is VALID [2020-07-08 12:25:50,711 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 12:25:50,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036413555] [2020-07-08 12:25:50,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:25:50,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-08 12:25:50,715 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051625239] [2020-07-08 12:25:50,723 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-07-08 12:25:50,727 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:25:50,731 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-08 12:25:50,784 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:25:50,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-08 12:25:50,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:25:50,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-08 12:25:50,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-07-08 12:25:50,800 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 11 states. [2020-07-08 12:25:52,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:25:52,503 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-07-08 12:25:52,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-08 12:25:52,503 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-07-08 12:25:52,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:25:52,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 12:25:52,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 26 transitions. [2020-07-08 12:25:52,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-08 12:25:52,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 26 transitions. [2020-07-08 12:25:52,521 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 26 transitions. [2020-07-08 12:25:52,587 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 12:25:52,594 INFO L225 Difference]: With dead ends: 27 [2020-07-08 12:25:52,594 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 12:25:52,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2020-07-08 12:25:52,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 12:25:52,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 12:25:52,622 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:25:52,623 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:52,623 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:52,624 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:52,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:25:52,624 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 12:25:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:25:52,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:25:52,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:25:52,625 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:52,625 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:52,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:25:52,626 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 12:25:52,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:25:52,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:25:52,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:25:52,627 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:25:52,627 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:25:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 12:25:52,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 12:25:52,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-08 12:25:52,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:25:52,629 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 12:25:52,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-08 12:25:52,630 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:25:52,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:25:52,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 12:25:52,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 12:25:53,177 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 50 [2020-07-08 12:25:53,310 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 62 [2020-07-08 12:25:53,333 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-08 12:25:53,334 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~#a~0.base)| |~#a~0.base|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#global~0.base| |old(~#global~0.base)|) (= |old(~#b~0.offset)| |~#b~0.offset|) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~#a~0.offset)| |~#a~0.offset|) (= |old(#length)| |#length|)) [2020-07-08 12:25:53,334 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-08 12:25:53,334 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-08 12:25:53,334 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |~#global~0.base|)) (.cse0 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (and (not (= |~#b~0.base| |~#a~0.base|)) (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select .cse1 |~#global~0.offset|)) (= |~#b~0.base| (select .cse1 .cse2)) (= (select .cse0 .cse2) |~#b~0.offset|))) [2020-07-08 12:25:53,335 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 12:25:53,335 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-08 12:25:53,335 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2020-07-08 12:25:53,335 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse1 .cse2) |~#b~0.offset|)))) [2020-07-08 12:25:53,335 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 19 33) no Hoare annotation was computed. [2020-07-08 12:25:53,335 INFO L264 CegarLoopResult]: At program point L26(lines 20 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= 0 |~#global~0.offset|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)))) [2020-07-08 12:25:53,336 INFO L268 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-07-08 12:25:53,336 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 19 33) no Hoare annotation was computed. [2020-07-08 12:25:53,336 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (let ((.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (let ((.cse0 (select |#memory_$Pointer$.base| main_~pd~0.base)) (.cse1 (select |#memory_$Pointer$.offset| main_~pd~0.base))) (and (= (select .cse0 main_~pd~0.offset) |~#a~0.base|) (= 0 main_~pd~0.offset) (= |~#b~0.base| (select .cse0 4)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select .cse1 main_~pd~0.offset) |~#a~0.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |~#b~0.offset| (select .cse1 4)))) (not (= |~#global~0.offset| 0)) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse3 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse2 .cse4))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse3 .cse4) |~#b~0.offset|)))) [2020-07-08 12:25:53,336 INFO L268 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-07-08 12:25:53,336 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse3 (+ |~#global~0.offset| 4))) (or (let ((.cse0 (not (= 4 |assign2_#in~pb.offset|)))) (and (or (= |assign2_#t~mem2.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pb.base|) 4)) .cse0) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (or (and (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|)) .cse0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (not (= |~#global~0.offset| 0)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse1 .cse3))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse2 .cse3) |~#b~0.offset|)))) [2020-07-08 12:25:53,337 INFO L268 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed. [2020-07-08 12:25:53,337 INFO L268 CegarLoopResult]: For program point assign2FINAL(lines 14 17) no Hoare annotation was computed. [2020-07-08 12:25:53,337 INFO L264 CegarLoopResult]: At program point assign2ENTRY(lines 14 17) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse1 .cse2) |~#b~0.offset|)))) [2020-07-08 12:25:53,337 INFO L268 CegarLoopResult]: For program point assign2EXIT(lines 14 17) no Hoare annotation was computed. [2020-07-08 12:25:53,337 INFO L268 CegarLoopResult]: For program point assignEXIT(lines 9 12) no Hoare annotation was computed. [2020-07-08 12:25:53,337 INFO L264 CegarLoopResult]: At program point assignENTRY(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse1 .cse2) |~#b~0.offset|)))) [2020-07-08 12:25:53,337 INFO L268 CegarLoopResult]: For program point assignFINAL(lines 9 12) no Hoare annotation was computed. [2020-07-08 12:25:53,341 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:25:53,351 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2020-07-08 12:25:53,352 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:25:53,352 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:25:53,353 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-08 12:25:53,356 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 12:25:53,359 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2020-07-08 12:25:53,359 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 12:25:53,359 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:25:53,359 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-08 12:25:53,359 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 12:25:53,359 WARN L170 areAnnotationChecker]: assignEXIT has no Hoare annotation [2020-07-08 12:25:53,360 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 12:25:53,360 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 12:25:53,360 WARN L170 areAnnotationChecker]: assign2FINAL has no Hoare annotation [2020-07-08 12:25:53,360 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2020-07-08 12:25:53,360 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 12:25:53,360 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 12:25:53,361 WARN L170 areAnnotationChecker]: assign2EXIT has no Hoare annotation [2020-07-08 12:25:53,361 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 12:25:53,361 INFO L163 areAnnotationChecker]: CFG has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 12:25:53,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 12:25:53,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 12:25:53,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 12:25:53,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 12:25:53,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 12:25:53,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 12:25:53,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 12:25:53,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 12:25:53,393 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 12:25:53 BoogieIcfgContainer [2020-07-08 12:25:53,402 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 12:25:53,407 INFO L168 Benchmark]: Toolchain (without parser) took 4781.74 ms. Allocated memory was 137.9 MB in the beginning and 285.2 MB in the end (delta: 147.3 MB). Free memory was 102.2 MB in the beginning and 229.8 MB in the end (delta: -127.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:53,407 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 137.9 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 12:25:53,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.87 ms. Allocated memory is still 137.9 MB. Free memory was 101.8 MB in the beginning and 91.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:53,411 INFO L168 Benchmark]: Boogie Preprocessor took 139.03 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 91.4 MB in the beginning and 179.9 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:53,413 INFO L168 Benchmark]: RCFGBuilder took 449.66 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 158.6 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:53,415 INFO L168 Benchmark]: TraceAbstraction took 3900.67 ms. Allocated memory was 202.4 MB in the beginning and 285.2 MB in the end (delta: 82.8 MB). Free memory was 157.6 MB in the beginning and 229.8 MB in the end (delta: -72.2 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:53,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 137.9 MB. Free memory is still 120.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 286.87 ms. Allocated memory is still 137.9 MB. Free memory was 101.8 MB in the beginning and 91.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.03 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 91.4 MB in the beginning and 179.9 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 449.66 ms. Allocated memory is still 202.4 MB. Free memory was 179.9 MB in the beginning and 158.6 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3900.67 ms. Allocated memory was 202.4 MB in the beginning and 285.2 MB in the end (delta: 82.8 MB). Free memory was 157.6 MB in the beginning and 229.8 MB in the end (delta: -72.2 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant [2020-07-08 12:25:53,451 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 12:25:53,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 12:25:53,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 12:25:53,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 12:25:53,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,453 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,454 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 12:25:53,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 12:25:53,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 12:25:53,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 12:25:53,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,456 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 12:25:53,457 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((!(0 == global) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || a == b) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(a == \old(#memory_$Pointer$)[global][global])) || !(\old(#memory_$Pointer$)[global][global + 4] == b) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 15 SDslu, 18 SDs, 0 SdLazy, 126 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 456 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 354 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 7939 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 correct! Received shutdown request...