/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/test18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:29:58,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:29:58,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:29:58,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-17 22:29:58,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:29:58,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:29:58,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:29:58,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:29:58,307 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:29:58,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:29:58,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:29:58,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:29:58,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:29:58,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:29:58,317 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:29:58,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:29:58,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:29:58,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:29:58,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:29:58,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:29:58,343 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 [2020-07-17 22:29:58,372 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:29:58,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:29:58,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:29:58,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:29:58,375 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:29:58,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:29:58,376 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:29:58,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:29:58,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:29:58,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:29:58,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:29:58,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:29:58,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:29:58,379 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:29:58,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:29:58,379 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:29:58,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:29:58,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:29:58,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:29:58,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:29:58,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:29:58,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:29:58,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:29:58,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:29:58,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:29:58,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:29:58,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:29:58,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:29:58,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:29:58,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:29:58,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:29:58,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:29:58,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:29:58,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:29:58,698 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:29:58,699 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test18.c [2020-07-17 22:29:58,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bee7c618/16e59d50c1d24ed0a864e01b363cd21e/FLAGdcda08dbd [2020-07-17 22:29:59,223 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:29:59,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test18.c [2020-07-17 22:29:59,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bee7c618/16e59d50c1d24ed0a864e01b363cd21e/FLAGdcda08dbd [2020-07-17 22:29:59,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bee7c618/16e59d50c1d24ed0a864e01b363cd21e [2020-07-17 22:29:59,578 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:29:59,580 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:29:59,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:29:59,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:29:59,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:29:59,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:29:59" (1/1) ... [2020-07-17 22:29:59,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba7e05e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:29:59, skipping insertion in model container [2020-07-17 22:29:59,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:29:59" (1/1) ... [2020-07-17 22:29:59,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:29:59,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:29:59,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:29:59,793 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:29:59,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:29:59,827 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:29:59,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:29:59 WrapperNode [2020-07-17 22:29:59,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:29:59,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:29:59,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:29:59,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:29:59,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:29:59" (1/1) ... [2020-07-17 22:29:59,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:29:59" (1/1) ... [2020-07-17 22:29:59,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:29:59" (1/1) ... [2020-07-17 22:29:59,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:29:59" (1/1) ... [2020-07-17 22:29:59,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:29:59" (1/1) ... [2020-07-17 22:29:59,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:29:59" (1/1) ... [2020-07-17 22:29:59,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:29:59" (1/1) ... [2020-07-17 22:29:59,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:29:59,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:29:59,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:29:59,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:29:59,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:29:59" (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 [2020-07-17 22:30:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:30:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:30:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-07-17 22:30:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-07-17 22:30:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:30:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:30:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-07-17 22:30:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 22:30:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 22:30:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-07-17 22:30:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 22:30:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 22:30:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 22:30:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:30:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 22:30:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:30:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:30:00,428 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:30:00,429 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:30:00,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:30:00 BoogieIcfgContainer [2020-07-17 22:30:00,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:30:00,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:30:00,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:30:00,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:30:00,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:29:59" (1/3) ... [2020-07-17 22:30:00,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7732c970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:30:00, skipping insertion in model container [2020-07-17 22:30:00,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:29:59" (2/3) ... [2020-07-17 22:30:00,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7732c970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:30:00, skipping insertion in model container [2020-07-17 22:30:00,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:30:00" (3/3) ... [2020-07-17 22:30:00,442 INFO L109 eAbstractionObserver]: Analyzing ICFG test18.c [2020-07-17 22:30:00,454 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:30:00,463 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:30:00,477 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:30:00,503 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:30:00,503 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:30:00,503 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:30:00,504 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:30:00,504 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:30:00,504 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:30:00,504 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:30:00,504 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:30:00,524 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-07-17 22:30:00,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-07-17 22:30:00,530 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:30:00,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:30:00,532 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:30:00,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:30:00,537 INFO L82 PathProgramCache]: Analyzing trace with hash 731851180, now seen corresponding path program 1 times [2020-07-17 22:30:00,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:30:00,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428406952] [2020-07-17 22:30:00,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:30:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:30:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:30:00,924 INFO L280 TraceCheckUtils]: 0: Hoare triple {41#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {26#true} is VALID [2020-07-17 22:30:00,925 INFO L280 TraceCheckUtils]: 1: Hoare triple {26#true} assume true; {26#true} is VALID [2020-07-17 22:30:00,925 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {26#true} {26#true} #25#return; {26#true} is VALID [2020-07-17 22:30:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:30:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 22:30:01,275 INFO L280 TraceCheckUtils]: 0: Hoare triple {49#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~ppa.base, ~ppa.offset := #in~ppa.base, #in~ppa.offset;~ppb.base, ~ppb.offset := #in~ppb.base, #in~ppb.offset;call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~ppb.base, ~ppb.offset, 4);call write~$Pointer$(#t~mem0.base, #t~mem0.offset, ~ppa.base, ~ppa.offset, 4);havoc #t~mem0.base, #t~mem0.offset; {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} is VALID [2020-07-17 22:30:01,277 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} assume true; {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} is VALID [2020-07-17 22:30:01,280 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} {43#(and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|))} #23#return; {47#(and (= (select (select |#memory_$Pointer$.offset| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.offset|) (= |f_#in~pb.base| (select (select |#memory_$Pointer$.base| |f_~#pa.base|) |f_~#pa.offset|)))} is VALID [2020-07-17 22:30:01,285 INFO L280 TraceCheckUtils]: 0: Hoare triple {42#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call ~#pa.base, ~#pa.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(#in~pa.base, #in~pa.offset, ~#pa.base, ~#pa.offset, 4);call ~#pb.base, ~#pb.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(#in~pb.base, #in~pb.offset, ~#pb.base, ~#pb.offset, 4); {43#(and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|))} is VALID [2020-07-17 22:30:01,289 INFO L263 TraceCheckUtils]: 1: Hoare triple {43#(and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|))} call g(~#pa.base, ~#pa.offset, ~#pb.base, ~#pb.offset); {49#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-17 22:30:01,291 INFO L280 TraceCheckUtils]: 2: Hoare triple {49#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~ppa.base, ~ppa.offset := #in~ppa.base, #in~ppa.offset;~ppb.base, ~ppb.offset := #in~ppb.base, #in~ppb.offset;call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~ppb.base, ~ppb.offset, 4);call write~$Pointer$(#t~mem0.base, #t~mem0.offset, ~ppa.base, ~ppa.offset, 4);havoc #t~mem0.base, #t~mem0.offset; {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} is VALID [2020-07-17 22:30:01,293 INFO L280 TraceCheckUtils]: 3: Hoare triple {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} assume true; {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} is VALID [2020-07-17 22:30:01,297 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} {43#(and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|))} #23#return; {47#(and (= (select (select |#memory_$Pointer$.offset| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.offset|) (= |f_#in~pb.base| (select (select |#memory_$Pointer$.base| |f_~#pa.base|) |f_~#pa.offset|)))} is VALID [2020-07-17 22:30:01,300 INFO L280 TraceCheckUtils]: 5: Hoare triple {47#(and (= (select (select |#memory_$Pointer$.offset| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.offset|) (= |f_#in~pb.base| (select (select |#memory_$Pointer$.base| |f_~#pa.base|) |f_~#pa.offset|)))} call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~#pa.base, ~#pa.offset, 4);call write~int(0, #t~mem1.base, #t~mem1.offset, 4);havoc #t~mem1.base, #t~mem1.offset;call ULTIMATE.dealloc(~#pa.base, ~#pa.offset);havoc ~#pa.base, ~#pa.offset;call ULTIMATE.dealloc(~#pb.base, ~#pb.offset);havoc ~#pb.base, ~#pb.offset; {48#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} is VALID [2020-07-17 22:30:01,302 INFO L280 TraceCheckUtils]: 6: Hoare triple {48#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} assume true; {48#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} is VALID [2020-07-17 22:30:01,305 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {48#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} {26#true} #29#return; {39#(= 0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))} is VALID [2020-07-17 22:30:01,308 INFO L263 TraceCheckUtils]: 0: Hoare triple {26#true} call ULTIMATE.init(); {41#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-17 22:30:01,309 INFO L280 TraceCheckUtils]: 1: Hoare triple {41#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; {26#true} is VALID [2020-07-17 22:30:01,310 INFO L280 TraceCheckUtils]: 2: Hoare triple {26#true} assume true; {26#true} is VALID [2020-07-17 22:30:01,310 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {26#true} {26#true} #25#return; {26#true} is VALID [2020-07-17 22:30:01,311 INFO L263 TraceCheckUtils]: 4: Hoare triple {26#true} call #t~ret3 := main(); {26#true} is VALID [2020-07-17 22:30:01,311 INFO L280 TraceCheckUtils]: 5: Hoare triple {26#true} call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4); {26#true} is VALID [2020-07-17 22:30:01,315 INFO L263 TraceCheckUtils]: 6: Hoare triple {26#true} call f(~#a~0.base, ~#a~0.offset, ~#b~0.base, ~#b~0.offset); {42#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-17 22:30:01,321 INFO L280 TraceCheckUtils]: 7: Hoare triple {42#(and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} call ~#pa.base, ~#pa.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(#in~pa.base, #in~pa.offset, ~#pa.base, ~#pa.offset, 4);call ~#pb.base, ~#pb.offset := #Ultimate.allocOnStack(4);call write~$Pointer$(#in~pb.base, #in~pb.offset, ~#pb.base, ~#pb.offset, 4); {43#(and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|))} is VALID [2020-07-17 22:30:01,325 INFO L263 TraceCheckUtils]: 8: Hoare triple {43#(and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|))} call g(~#pa.base, ~#pa.offset, ~#pb.base, ~#pb.offset); {49#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-17 22:30:01,327 INFO L280 TraceCheckUtils]: 9: Hoare triple {49#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~ppa.base, ~ppa.offset := #in~ppa.base, #in~ppa.offset;~ppb.base, ~ppb.offset := #in~ppb.base, #in~ppb.offset;call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~ppb.base, ~ppb.offset, 4);call write~$Pointer$(#t~mem0.base, #t~mem0.offset, ~ppa.base, ~ppa.offset, 4);havoc #t~mem0.base, #t~mem0.offset; {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} is VALID [2020-07-17 22:30:01,329 INFO L280 TraceCheckUtils]: 10: Hoare triple {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} assume true; {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} is VALID [2020-07-17 22:30:01,333 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {50#(and (= (select (select |#memory_$Pointer$.offset| |g_#in~ppa.base|) |g_#in~ppa.offset|) (select (select |old(#memory_$Pointer$.offset)| |g_#in~ppb.base|) |g_#in~ppb.offset|)) (= (select (select |old(#memory_$Pointer$.base)| |g_#in~ppb.base|) |g_#in~ppb.offset|) (select (select |#memory_$Pointer$.base| |g_#in~ppa.base|) |g_#in~ppa.offset|)))} {43#(and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|))} #23#return; {47#(and (= (select (select |#memory_$Pointer$.offset| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.offset|) (= |f_#in~pb.base| (select (select |#memory_$Pointer$.base| |f_~#pa.base|) |f_~#pa.offset|)))} is VALID [2020-07-17 22:30:01,335 INFO L280 TraceCheckUtils]: 12: Hoare triple {47#(and (= (select (select |#memory_$Pointer$.offset| |f_~#pa.base|) |f_~#pa.offset|) |f_#in~pb.offset|) (= |f_#in~pb.base| (select (select |#memory_$Pointer$.base| |f_~#pa.base|) |f_~#pa.offset|)))} call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~#pa.base, ~#pa.offset, 4);call write~int(0, #t~mem1.base, #t~mem1.offset, 4);havoc #t~mem1.base, #t~mem1.offset;call ULTIMATE.dealloc(~#pa.base, ~#pa.offset);havoc ~#pa.base, ~#pa.offset;call ULTIMATE.dealloc(~#pb.base, ~#pb.offset);havoc ~#pb.base, ~#pb.offset; {48#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} is VALID [2020-07-17 22:30:01,336 INFO L280 TraceCheckUtils]: 13: Hoare triple {48#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} assume true; {48#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} is VALID [2020-07-17 22:30:01,339 INFO L275 TraceCheckUtils]: 14: Hoare quadruple {48#(= 0 (select (select |#memory_int| |f_#in~pb.base|) |f_#in~pb.offset|))} {26#true} #29#return; {39#(= 0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))} is VALID [2020-07-17 22:30:01,342 INFO L280 TraceCheckUtils]: 15: Hoare triple {39#(= 0 (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|))} call #t~mem2 := read~int(~#b~0.base, ~#b~0.offset, 4); {40#(= 0 |main_#t~mem2|)} is VALID [2020-07-17 22:30:01,343 INFO L280 TraceCheckUtils]: 16: Hoare triple {40#(= 0 |main_#t~mem2|)} assume 0 != #t~mem2;havoc #t~mem2; {27#false} is VALID [2020-07-17 22:30:01,344 INFO L280 TraceCheckUtils]: 17: Hoare triple {27#false} assume !false; {27#false} is VALID [2020-07-17 22:30:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 22:30:01,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428406952] [2020-07-17 22:30:01,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 22:30:01,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 22:30:01,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951307793] [2020-07-17 22:30:01,358 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-07-17 22:30:01,361 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 22:30:01,366 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states. [2020-07-17 22:30:01,411 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:30:01,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 22:30:01,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 22:30:01,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 22:30:01,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-07-17 22:30:01,426 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 11 states. [2020-07-17 22:30:02,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:30:02,218 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-07-17 22:30:02,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 22:30:02,218 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2020-07-17 22:30:02,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 22:30:02,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-17 22:30:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2020-07-17 22:30:02,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-07-17 22:30:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2020-07-17 22:30:02,239 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 26 transitions. [2020-07-17 22:30:02,291 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 22:30:02,298 INFO L225 Difference]: With dead ends: 27 [2020-07-17 22:30:02,299 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 22:30:02,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-07-17 22:30:02,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 22:30:02,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 22:30:02,328 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 22:30:02,329 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-17 22:30:02,330 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:30:02,330 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:30:02,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:30:02,331 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:30:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:30:02,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:30:02,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:30:02,332 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-17 22:30:02,332 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-17 22:30:02,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 22:30:02,332 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-17 22:30:02,332 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:30:02,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:30:02,333 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 22:30:02,333 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 22:30:02,333 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 22:30:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 22:30:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 22:30:02,335 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-07-17 22:30:02,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 22:30:02,336 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 22:30:02,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 22:30:02,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 22:30:02,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 22:30:02,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:30:02,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 22:30:02,486 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 22:30:02,487 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-17 22:30:02,487 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:30:02,487 INFO L264 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|)) [2020-07-17 22:30:02,487 INFO L268 CegarLoopResult]: For program point L9-1(line 9) no Hoare annotation was computed. [2020-07-17 22:30:02,488 INFO L268 CegarLoopResult]: For program point fEXIT(lines 8 11) no Hoare annotation was computed. [2020-07-17 22:30:02,488 INFO L264 CegarLoopResult]: At program point fENTRY(lines 8 11) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 22:30:02,488 INFO L268 CegarLoopResult]: For program point fFINAL(lines 8 11) no Hoare annotation was computed. [2020-07-17 22:30:02,488 INFO L268 CegarLoopResult]: For program point gEXIT(lines 4 6) no Hoare annotation was computed. [2020-07-17 22:30:02,488 INFO L268 CegarLoopResult]: For program point gFINAL(lines 4 6) no Hoare annotation was computed. [2020-07-17 22:30:02,489 INFO L264 CegarLoopResult]: At program point gENTRY(lines 4 6) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 22:30:02,489 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 22:30:02,489 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 22:30:02,489 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 22:30:02,489 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 22:30:02,490 INFO L264 CegarLoopResult]: At program point L17(lines 13 24) the Hoare annotation is: false [2020-07-17 22:30:02,490 INFO L268 CegarLoopResult]: For program point L16(lines 16 18) no Hoare annotation was computed. [2020-07-17 22:30:02,490 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2020-07-17 22:30:02,490 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 22:30:02,491 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-07-17 22:30:02,491 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 13 24) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 22:30:02,491 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 13 24) no Hoare annotation was computed. [2020-07-17 22:30:02,491 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 13 24) no Hoare annotation was computed. [2020-07-17 22:30:02,496 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:30:02,499 WARN L170 areAnnotationChecker]: gFINAL has no Hoare annotation [2020-07-17 22:30:02,501 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:30:02,501 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-17 22:30:02,503 WARN L170 areAnnotationChecker]: gFINAL has no Hoare annotation [2020-07-17 22:30:02,503 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:30:02,505 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2020-07-17 22:30:02,506 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:30:02,507 WARN L170 areAnnotationChecker]: L9-1 has no Hoare annotation [2020-07-17 22:30:02,507 WARN L170 areAnnotationChecker]: gEXIT has no Hoare annotation [2020-07-17 22:30:02,507 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:30:02,507 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2020-07-17 22:30:02,507 WARN L170 areAnnotationChecker]: fFINAL has no Hoare annotation [2020-07-17 22:30:02,508 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-17 22:30:02,508 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-17 22:30:02,508 WARN L170 areAnnotationChecker]: fEXIT has no Hoare annotation [2020-07-17 22:30:02,508 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2020-07-17 22:30:02,508 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:30:02,508 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:30:02,509 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:30:02,509 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. [2020-07-17 22:30:02,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:30:02 BoogieIcfgContainer [2020-07-17 22:30:02,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:30:02,521 INFO L168 Benchmark]: Toolchain (without parser) took 2940.75 ms. Allocated memory was 136.8 MB in the beginning and 231.7 MB in the end (delta: 94.9 MB). Free memory was 100.9 MB in the beginning and 82.4 MB in the end (delta: 18.5 MB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:30:02,522 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:30:02,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.22 ms. Allocated memory is still 136.8 MB. Free memory was 100.5 MB in the beginning and 90.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-07-17 22:30:02,524 INFO L168 Benchmark]: Boogie Preprocessor took 128.74 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 90.4 MB in the beginning and 179.5 MB in the end (delta: -89.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:30:02,525 INFO L168 Benchmark]: RCFGBuilder took 474.79 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 157.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:30:02,526 INFO L168 Benchmark]: TraceAbstraction took 2083.53 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 157.8 MB in the beginning and 82.4 MB in the end (delta: 75.4 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. [2020-07-17 22:30:02,530 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 0.82 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.22 ms. Allocated memory is still 136.8 MB. Free memory was 100.5 MB in the beginning and 90.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 128.74 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 90.4 MB in the beginning and 179.5 MB in the end (delta: -89.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 474.79 ms. Allocated memory is still 201.3 MB. Free memory was 178.8 MB in the beginning and 157.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2083.53 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 157.8 MB in the beginning and 82.4 MB in the end (delta: 75.4 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: 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: 13]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 3 SDslu, 45 SDs, 0 SdLazy, 105 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s 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, 80 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 2414 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...