/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/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 12:25:07,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 12:25:07,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 12:25:07,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 12:25:07,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 12:25:07,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 12:25:07,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 12:25:07,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 12:25:07,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 12:25:07,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 12:25:07,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 12:25:07,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 12:25:07,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 12:25:07,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 12:25:07,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 12:25:07,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 12:25:07,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 12:25:07,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 12:25:07,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 12:25:07,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 12:25:07,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 12:25:07,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 12:25:07,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 12:25:07,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 12:25:07,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 12:25:07,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 12:25:07,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 12:25:07,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 12:25:07,325 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 12:25:07,341 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 12:25:07,341 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 12:25:07,343 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-08 12:25:07,343 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-08 12:25:07,343 INFO L138 SettingsManager]: * Use SBE=true [2020-07-08 12:25:07,343 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 12:25:07,344 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 12:25:07,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 12:25:07,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 12:25:07,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 12:25:07,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 12:25:07,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 12:25:07,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 12:25:07,345 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 12:25:07,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 12:25:07,346 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 12:25:07,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 12:25:07,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 12:25:07,346 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-08 12:25:07,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 12:25:07,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 12:25:07,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 12:25:07,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 12:25:07,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-08 12:25:07,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-08 12:25:07,348 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-08 12:25:07,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-08 12:25:07,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 12:25:07,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-08 12:25:07,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-08 12:25:07,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 12:25:07,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 12:25:07,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 12:25:07,683 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 12:25:07,684 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 12:25:07,684 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2020-07-08 12:25:07,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fe74a228/01eb18530b3649ed8f934f95255855e7/FLAGe375c291c [2020-07-08 12:25:08,260 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 12:25:08,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2020-07-08 12:25:08,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fe74a228/01eb18530b3649ed8f934f95255855e7/FLAGe375c291c [2020-07-08 12:25:08,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fe74a228/01eb18530b3649ed8f934f95255855e7 [2020-07-08 12:25:08,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 12:25:08,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 12:25:08,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 12:25:08,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 12:25:08,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 12:25:08,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:25:08" (1/1) ... [2020-07-08 12:25:08,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1baf0cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:08, skipping insertion in model container [2020-07-08 12:25:08,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 12:25:08" (1/1) ... [2020-07-08 12:25:08,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 12:25:08,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 12:25:08,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:25:08,879 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 12:25:08,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 12:25:08,918 INFO L208 MainTranslator]: Completed translation [2020-07-08 12:25:08,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:08 WrapperNode [2020-07-08 12:25:08,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 12:25:08,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 12:25:08,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 12:25:08,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 12:25:08,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:08" (1/1) ... [2020-07-08 12:25:08,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:08" (1/1) ... [2020-07-08 12:25:09,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:08" (1/1) ... [2020-07-08 12:25:09,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:08" (1/1) ... [2020-07-08 12:25:09,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:08" (1/1) ... [2020-07-08 12:25:09,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:08" (1/1) ... [2020-07-08 12:25:09,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:08" (1/1) ... [2020-07-08 12:25:09,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 12:25:09,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 12:25:09,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 12:25:09,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 12:25:09,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:08" (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 12:25:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 12:25:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 12:25:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-07-08 12:25:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 12:25:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 12:25:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-08 12:25:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-07-08 12:25:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 12:25:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 12:25:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 12:25:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 12:25:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 12:25:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 12:25:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-08 12:25:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 12:25:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 12:25:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 12:25:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 12:25:09,540 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 12:25:09,540 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 12:25:09,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:25:09 BoogieIcfgContainer [2020-07-08 12:25:09,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 12:25:09,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 12:25:09,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 12:25:09,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 12:25:09,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 12:25:08" (1/3) ... [2020-07-08 12:25:09,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711a2747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:25:09, skipping insertion in model container [2020-07-08 12:25:09,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 12:25:08" (2/3) ... [2020-07-08 12:25:09,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711a2747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 12:25:09, skipping insertion in model container [2020-07-08 12:25:09,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 12:25:09" (3/3) ... [2020-07-08 12:25:09,562 INFO L109 eAbstractionObserver]: Analyzing ICFG test19.c [2020-07-08 12:25:09,572 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-08 12:25:09,580 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 12:25:09,595 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 12:25:09,621 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 12:25:09,622 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 12:25:09,622 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-08 12:25:09,622 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 12:25:09,623 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 12:25:09,623 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 12:25:09,623 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 12:25:09,623 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 12:25:09,643 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-07-08 12:25:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-07-08 12:25:09,649 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 12:25:09,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 12:25:09,650 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 12:25:09,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 12:25:09,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1876068538, now seen corresponding path program 1 times [2020-07-08 12:25:09,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-08 12:25:09,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443492200] [2020-07-08 12:25:09,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 12:25:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:25:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:25:10,117 INFO L280 TraceCheckUtils]: 0: Hoare triple {32#(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; {21#true} is VALID [2020-07-08 12:25:10,118 INFO L280 TraceCheckUtils]: 1: Hoare triple {21#true} assume true; {21#true} is VALID [2020-07-08 12:25:10,119 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {21#true} {21#true} #21#return; {21#true} is VALID [2020-07-08 12:25:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 12:25:10,232 INFO L280 TraceCheckUtils]: 0: Hoare triple {33#(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~$Pointer$(~ppa.base, ~ppa.offset, 4);~pa~0.base, ~pa~0.offset := #t~mem0.base, #t~mem0.offset;havoc #t~mem0.base, #t~mem0.offset;call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~ppb.base, ~ppb.offset, 4);~pb~0.base, ~pb~0.offset := #t~mem1.base, #t~mem1.offset;havoc #t~mem1.base, #t~mem1.offset;call #t~mem2 := read~int(~pb~0.base, ~pb~0.offset, 4);call write~int(#t~mem2, ~pa~0.base, ~pa~0.offset, 4);havoc #t~mem2; {34#(or (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} is VALID [2020-07-08 12:25:10,234 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#(or (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} assume true; {34#(or (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} is VALID [2020-07-08 12:25:10,237 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {34#(or (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} {26#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} #19#return; {30#(= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-08 12:25:10,240 INFO L263 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {32#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 12:25:10,240 INFO L280 TraceCheckUtils]: 1: Hoare triple {32#(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; {21#true} is VALID [2020-07-08 12:25:10,241 INFO L280 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2020-07-08 12:25:10,241 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #21#return; {21#true} is VALID [2020-07-08 12:25:10,241 INFO L263 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret7 := main(); {21#true} is VALID [2020-07-08 12:25:10,245 INFO L280 TraceCheckUtils]: 5: Hoare triple {21#true} call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4);assume -2147483648 <= #t~nondet3 && #t~nondet3 <= 2147483647;call write~init~int(#t~nondet3, ~#a~0.base, ~#a~0.offset, 4);havoc #t~nondet3;call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4);assume -2147483648 <= #t~nondet4 && #t~nondet4 <= 2147483647;call write~init~int(#t~nondet4, ~#b~0.base, ~#b~0.offset, 4);havoc #t~nondet4;call ~#pa~1.base, ~#pa~1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(~#a~0.base, ~#a~0.offset, ~#pa~1.base, ~#pa~1.offset, 4);call ~#pb~1.base, ~#pb~1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(~#b~0.base, ~#b~0.offset, ~#pb~1.base, ~#pb~1.offset, 4); {26#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} is VALID [2020-07-08 12:25:10,248 INFO L263 TraceCheckUtils]: 6: Hoare triple {26#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} call assign(~#pa~1.base, ~#pa~1.offset, ~#pb~1.base, ~#pb~1.offset); {33#(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 12:25:10,250 INFO L280 TraceCheckUtils]: 7: Hoare triple {33#(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~$Pointer$(~ppa.base, ~ppa.offset, 4);~pa~0.base, ~pa~0.offset := #t~mem0.base, #t~mem0.offset;havoc #t~mem0.base, #t~mem0.offset;call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~ppb.base, ~ppb.offset, 4);~pb~0.base, ~pb~0.offset := #t~mem1.base, #t~mem1.offset;havoc #t~mem1.base, #t~mem1.offset;call #t~mem2 := read~int(~pb~0.base, ~pb~0.offset, 4);call write~int(#t~mem2, ~pa~0.base, ~pa~0.offset, 4);havoc #t~mem2; {34#(or (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} is VALID [2020-07-08 12:25:10,251 INFO L280 TraceCheckUtils]: 8: Hoare triple {34#(or (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} assume true; {34#(or (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} is VALID [2020-07-08 12:25:10,255 INFO L275 TraceCheckUtils]: 9: Hoare quadruple {34#(or (= (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|) (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppb.base|) |assign_#in~ppb.offset|)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign_#in~ppa.base|) |assign_#in~ppa.offset|))))} {26#(and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (not (= |main_~#b~0.base| |main_~#a~0.base|)))} #19#return; {30#(= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} is VALID [2020-07-08 12:25:10,256 INFO L280 TraceCheckUtils]: 10: Hoare triple {30#(= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))} call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset, 4);call #t~mem6 := read~int(~#b~0.base, ~#b~0.offset, 4); {31#(= |main_#t~mem6| |main_#t~mem5|)} is VALID [2020-07-08 12:25:10,257 INFO L280 TraceCheckUtils]: 11: Hoare triple {31#(= |main_#t~mem6| |main_#t~mem5|)} assume #t~mem5 != #t~mem6;havoc #t~mem6;havoc #t~mem5; {22#false} is VALID [2020-07-08 12:25:10,258 INFO L280 TraceCheckUtils]: 12: Hoare triple {22#false} assume !false; {22#false} is VALID [2020-07-08 12:25:10,262 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 12:25:10,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443492200] [2020-07-08 12:25:10,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 12:25:10,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-08 12:25:10,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007631873] [2020-07-08 12:25:10,272 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-07-08 12:25:10,275 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 12:25:10,279 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-08 12:25:10,318 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:25:10,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-08 12:25:10,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-08 12:25:10,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-08 12:25:10,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-08 12:25:10,332 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 8 states. [2020-07-08 12:25:10,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:25:10,833 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-07-08 12:25:10,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-08 12:25:10,834 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-07-08 12:25:10,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 12:25:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 12:25:10,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 21 transitions. [2020-07-08 12:25:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-08 12:25:10,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 21 transitions. [2020-07-08 12:25:10,852 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 21 transitions. [2020-07-08 12:25:10,890 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 12:25:10,897 INFO L225 Difference]: With dead ends: 22 [2020-07-08 12:25:10,898 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 12:25:10,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-07-08 12:25:10,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 12:25:10,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 12:25:10,927 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 12:25:10,928 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:10,929 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:10,929 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:10,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:25:10,930 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 12:25:10,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:25:10,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:25:10,930 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:25:10,931 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:10,931 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 12:25:10,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 12:25:10,931 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 12:25:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:25:10,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:25:10,932 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 12:25:10,932 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 12:25:10,932 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 12:25:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 12:25:10,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 12:25:10,934 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-07-08 12:25:10,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 12:25:10,935 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 12:25:10,935 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-08 12:25:10,935 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 12:25:10,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 12:25:10,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 12:25:10,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 12:25:11,061 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-08 12:25:11,061 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)|)) [2020-07-08 12:25:11,061 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-08 12:25:11,062 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-08 12:25:11,062 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 12:25:11,062 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 12:25:11,062 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-08 12:25:11,062 INFO L264 CegarLoopResult]: At program point L17(lines 11 24) the Hoare annotation is: false [2020-07-08 12:25:11,062 INFO L268 CegarLoopResult]: For program point L16(lines 16 18) no Hoare annotation was computed. [2020-07-08 12:25:11,063 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2020-07-08 12:25:11,063 INFO L264 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 12:25:11,063 INFO L268 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-07-08 12:25:11,063 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 11 24) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 12:25:11,064 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 11 24) no Hoare annotation was computed. [2020-07-08 12:25:11,064 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 11 24) no Hoare annotation was computed. [2020-07-08 12:25:11,064 INFO L268 CegarLoopResult]: For program point assignEXIT(lines 5 9) no Hoare annotation was computed. [2020-07-08 12:25:11,064 INFO L264 CegarLoopResult]: At program point assignENTRY(lines 5 9) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-08 12:25:11,064 INFO L268 CegarLoopResult]: For program point assignFINAL(lines 5 9) no Hoare annotation was computed. [2020-07-08 12:25:11,069 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:25:11,073 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2020-07-08 12:25:11,074 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 12:25:11,074 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:25:11,078 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2020-07-08 12:25:11,081 WARN L170 areAnnotationChecker]: assignFINAL has no Hoare annotation [2020-07-08 12:25:11,081 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 12:25:11,082 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 12:25:11,082 WARN L170 areAnnotationChecker]: L15-1 has no Hoare annotation [2020-07-08 12:25:11,082 WARN L170 areAnnotationChecker]: assignEXIT has no Hoare annotation [2020-07-08 12:25:11,082 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-08 12:25:11,082 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-08 12:25:11,082 WARN L170 areAnnotationChecker]: mainErr0ASSERT_VIOLATIONERROR_FUNCTION has no Hoare annotation [2020-07-08 12:25:11,083 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 12:25:11,083 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 12:25:11,083 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 12:25:11,083 INFO L163 areAnnotationChecker]: CFG has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 12:25:11,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 12:25:11 BoogieIcfgContainer [2020-07-08 12:25:11,092 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 12:25:11,095 INFO L168 Benchmark]: Toolchain (without parser) took 2475.51 ms. Allocated memory was 142.6 MB in the beginning and 228.1 MB in the end (delta: 85.5 MB). Free memory was 101.0 MB in the beginning and 129.5 MB in the end (delta: -28.5 MB). Peak memory consumption was 57.0 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:11,096 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 12:25:11,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.50 ms. Allocated memory is still 142.6 MB. Free memory was 100.8 MB in the beginning and 90.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:11,098 INFO L168 Benchmark]: Boogie Preprocessor took 137.42 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 90.0 MB in the beginning and 178.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:11,099 INFO L168 Benchmark]: RCFGBuilder took 486.76 ms. Allocated memory is still 200.8 MB. Free memory was 178.8 MB in the beginning and 156.2 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:11,101 INFO L168 Benchmark]: TraceAbstraction took 1538.21 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 156.2 MB in the beginning and 129.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 53.9 MB. Max. memory is 7.1 GB. [2020-07-08 12:25:11,105 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 295.50 ms. Allocated memory is still 142.6 MB. Free memory was 100.8 MB in the beginning and 90.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.42 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 90.0 MB in the beginning and 178.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 486.76 ms. Allocated memory is still 200.8 MB. Free memory was 178.8 MB in the beginning and 156.2 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1538.21 ms. Allocated memory was 200.8 MB in the beginning and 228.1 MB in the end (delta: 27.3 MB). Free memory was 156.2 MB in the beginning and 129.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 53.9 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: 11]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 3 SDslu, 26 SDs, 0 SdLazy, 53 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 78 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 1800 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...