/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 05:11:29,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 05:11:29,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 05:11:29,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 05:11:29,279 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 05:11:29,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 05:11:29,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 05:11:29,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 05:11:29,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 05:11:29,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 05:11:29,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 05:11:29,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 05:11:29,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 05:11:29,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 05:11:29,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 05:11:29,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 05:11:29,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 05:11:29,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 05:11:29,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 05:11:29,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 05:11:29,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 05:11:29,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 05:11:29,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 05:11:29,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 05:11:29,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 05:11:29,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 05:11:29,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 05:11:29,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 05:11:29,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 05:11:29,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-18 05:11:29,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 05:11:29,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 05:11:29,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 05:11:29,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 05:11:29,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 05:11:29,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 05:11:29,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 05:11:29,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 05:11:29,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 05:11:29,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 05:11:29,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 05:11:29,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 05:11:29,391 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 05:11:29,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 05:11:29,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 05:11:29,395 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 05:11:29,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 05:11:29,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 05:11:29,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 05:11:29,396 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 05:11:29,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 05:11:29,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 05:11:29,400 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 05:11:29,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 05:11:29,400 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 05:11:29,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 05:11:29,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 05:11:29,401 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 05:11:29,401 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 05:11:29,401 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 05:11:29,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:11:29,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 05:11:29,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 05:11:29,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 05:11:29,404 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-18 05:11:29,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 05:11:29,723 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 05:11:29,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 05:11:29,729 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 05:11:29,729 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 05:11:29,730 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure-1.i [2020-07-18 05:11:29,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be857cf5c/542a526519984209a06c4f59216b8924/FLAG4929e7df8 [2020-07-18 05:11:30,370 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 05:11:30,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure-1.i [2020-07-18 05:11:30,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be857cf5c/542a526519984209a06c4f59216b8924/FLAG4929e7df8 [2020-07-18 05:11:30,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be857cf5c/542a526519984209a06c4f59216b8924 [2020-07-18 05:11:30,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 05:11:30,765 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 05:11:30,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 05:11:30,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 05:11:30,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 05:11:30,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:11:30" (1/1) ... [2020-07-18 05:11:30,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bb58da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:30, skipping insertion in model container [2020-07-18 05:11:30,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 05:11:30" (1/1) ... [2020-07-18 05:11:30,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 05:11:30,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 05:11:31,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:11:31,027 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 05:11:31,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 05:11:31,069 INFO L208 MainTranslator]: Completed translation [2020-07-18 05:11:31,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:31 WrapperNode [2020-07-18 05:11:31,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 05:11:31,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 05:11:31,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 05:11:31,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 05:11:31,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:31" (1/1) ... [2020-07-18 05:11:31,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:31" (1/1) ... [2020-07-18 05:11:31,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:31" (1/1) ... [2020-07-18 05:11:31,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:31" (1/1) ... [2020-07-18 05:11:31,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:31" (1/1) ... [2020-07-18 05:11:31,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:31" (1/1) ... [2020-07-18 05:11:31,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:31" (1/1) ... [2020-07-18 05:11:31,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 05:11:31,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 05:11:31,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 05:11:31,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 05:11:31,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 05:11:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 05:11:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 05:11:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-07-18 05:11:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 05:11:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 05:11:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-07-18 05:11:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 05:11:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-18 05:11:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-18 05:11:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-18 05:11:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-18 05:11:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-18 05:11:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-18 05:11:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-18 05:11:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 05:11:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 05:11:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-18 05:11:31,608 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 05:11:31,609 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 05:11:31,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:11:31 BoogieIcfgContainer [2020-07-18 05:11:31,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 05:11:31,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 05:11:31,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 05:11:31,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 05:11:31,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 05:11:30" (1/3) ... [2020-07-18 05:11:31,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15574cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:11:31, skipping insertion in model container [2020-07-18 05:11:31,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 05:11:31" (2/3) ... [2020-07-18 05:11:31,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15574cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 05:11:31, skipping insertion in model container [2020-07-18 05:11:31,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 05:11:31" (3/3) ... [2020-07-18 05:11:31,625 INFO L109 eAbstractionObserver]: Analyzing ICFG nested_structure-1.i [2020-07-18 05:11:31,637 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 05:11:31,654 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 05:11:31,671 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 05:11:31,694 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 05:11:31,694 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 05:11:31,695 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 05:11:31,695 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 05:11:31,695 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 05:11:31,696 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 05:11:31,696 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 05:11:31,696 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 05:11:31,714 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-07-18 05:11:31,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-07-18 05:11:31,725 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 05:11:31,726 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 05:11:31,726 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 05:11:31,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 05:11:31,734 INFO L82 PathProgramCache]: Analyzing trace with hash -222009229, now seen corresponding path program 1 times [2020-07-18 05:11:31,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 05:11:31,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2013751109] [2020-07-18 05:11:31,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 05:11:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-18 05:11:32,805 INFO L280 TraceCheckUtils]: 0: Hoare triple {66#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {46#true} is VALID [2020-07-18 05:11:32,805 INFO L280 TraceCheckUtils]: 1: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-18 05:11:32,806 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-18 05:11:32,806 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-18 05:11:32,807 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {46#true} {46#true} #47#return; {46#true} is VALID [2020-07-18 05:11:32,811 INFO L263 TraceCheckUtils]: 0: Hoare triple {46#true} call ULTIMATE.init(); {66#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-18 05:11:32,812 INFO L280 TraceCheckUtils]: 1: Hoare triple {66#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {46#true} is VALID [2020-07-18 05:11:32,812 INFO L280 TraceCheckUtils]: 2: Hoare triple {46#true} #valid := #valid[0 := 0]; {46#true} is VALID [2020-07-18 05:11:32,812 INFO L280 TraceCheckUtils]: 3: Hoare triple {46#true} assume 0 < #StackHeapBarrier; {46#true} is VALID [2020-07-18 05:11:32,813 INFO L280 TraceCheckUtils]: 4: Hoare triple {46#true} assume true; {46#true} is VALID [2020-07-18 05:11:32,813 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {46#true} {46#true} #47#return; {46#true} is VALID [2020-07-18 05:11:32,814 INFO L263 TraceCheckUtils]: 6: Hoare triple {46#true} call #t~ret5 := main(); {46#true} is VALID [2020-07-18 05:11:32,817 INFO L280 TraceCheckUtils]: 7: Hoare triple {46#true} SUMMARY for call ~#im~0.base, ~#im~0.offset := #Ultimate.allocOnStack(4); srcloc: mainENTRY {53#(and (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|))} is VALID [2020-07-18 05:11:32,819 INFO L280 TraceCheckUtils]: 8: Hoare triple {53#(and (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|))} SUMMARY for call write~init~int(3, ~#im~0.base, ~#im~0.offset, 4); srcloc: L26 {54#(and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= 1 (select |#valid| |main_~#im~0.base|)))} is VALID [2020-07-18 05:11:32,821 INFO L280 TraceCheckUtils]: 9: Hoare triple {54#(and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= 1 (select |#valid| |main_~#im~0.base|)))} SUMMARY for call ~#inner~0.base, ~#inner~0.offset := #Ultimate.allocOnStack(8); srcloc: L26-1 {55#(and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 0 |main_~#inner~0.offset|))} is VALID [2020-07-18 05:11:32,825 INFO L280 TraceCheckUtils]: 10: Hoare triple {55#(and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 0 |main_~#inner~0.offset|))} SUMMARY for call write~init~int(2, ~#inner~0.base, ~#inner~0.offset, 4); srcloc: L27 {55#(and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 0 |main_~#inner~0.offset|))} is VALID [2020-07-18 05:11:32,826 INFO L280 TraceCheckUtils]: 11: Hoare triple {55#(and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 0 |main_~#inner~0.offset|))} SUMMARY for call write~init~$Pointer$(~#im~0.base, ~#im~0.offset, ~#inner~0.base, 4 + ~#inner~0.offset, 4); srcloc: L27-1 {56#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) 0)) (= 0 |main_~#inner~0.offset|))} is VALID [2020-07-18 05:11:32,828 INFO L280 TraceCheckUtils]: 12: Hoare triple {56#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) 0)) (= 0 |main_~#inner~0.offset|))} SUMMARY for call ~#good~0.base, ~#good~0.offset := #Ultimate.allocOnStack(8); srcloc: L27-2 {57#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) |main_~#good~0.offset|) 3) (= 0 |main_~#inner~0.offset|))} is VALID [2020-07-18 05:11:32,830 INFO L280 TraceCheckUtils]: 13: Hoare triple {57#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) |main_~#good~0.offset|) 3) (= 0 |main_~#inner~0.offset|))} SUMMARY for call write~init~int(1, ~#good~0.base, ~#good~0.offset, 4); srcloc: L28 {58#(and (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= 0 |main_~#inner~0.offset|))} is VALID [2020-07-18 05:11:32,832 INFO L280 TraceCheckUtils]: 14: Hoare triple {58#(and (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= 0 |main_~#inner~0.offset|))} SUMMARY for call write~init~$Pointer$(~#inner~0.base, ~#inner~0.offset, ~#good~0.base, 4 + ~#good~0.offset, 4); srcloc: L28-1 {59#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4) (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4)))) (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))))} is VALID [2020-07-18 05:11:32,834 INFO L280 TraceCheckUtils]: 15: Hoare triple {59#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4) (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4)))) (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))))} SUMMARY for call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~#good~0.base, 4 + ~#good~0.offset, 4); srcloc: L28-2 {60#(and (= (select |#memory_$Pointer$.offset| |main_#t~mem0.base|) (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4)))) (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)))) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (select |#memory_$Pointer$.base| |main_#t~mem0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)) (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (= 0 |main_#t~mem0.offset|))} is VALID [2020-07-18 05:11:32,836 INFO L280 TraceCheckUtils]: 16: Hoare triple {60#(and (= (select |#memory_$Pointer$.offset| |main_#t~mem0.base|) (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4)))) (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)))) (= (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (select |#memory_$Pointer$.base| |main_#t~mem0.base|)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)) (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4)))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (= 0 |main_#t~mem0.offset|))} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(#t~mem0.base, 4 + #t~mem0.offset, 4); srcloc: L29 {61#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4) |main_#t~mem1.offset|) (not (= |main_#t~mem1.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4)))) (not (= |main_~#good~0.base| |main_#t~mem1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (= |main_#t~mem1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4)))} is VALID [2020-07-18 05:11:32,838 INFO L280 TraceCheckUtils]: 17: Hoare triple {61#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4) |main_#t~mem1.offset|) (not (= |main_#t~mem1.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4)))) (not (= |main_~#good~0.base| |main_#t~mem1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (= |main_#t~mem1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4)))} SUMMARY for call write~int(4, #t~mem1.base, #t~mem1.offset, 4); srcloc: L29-1 {62#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4))))} is VALID [2020-07-18 05:11:32,840 INFO L280 TraceCheckUtils]: 18: Hoare triple {62#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4))))} havoc #t~mem0.base, #t~mem0.offset; {62#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4))))} is VALID [2020-07-18 05:11:32,842 INFO L280 TraceCheckUtils]: 19: Hoare triple {62#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4))))} havoc #t~mem1.base, #t~mem1.offset; {62#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4))))} is VALID [2020-07-18 05:11:32,844 INFO L280 TraceCheckUtils]: 20: Hoare triple {62#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4))))} SUMMARY for call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~#good~0.base, 4 + ~#good~0.offset, 4); srcloc: L30 {63#(and (= 0 |main_#t~mem2.offset|) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) (+ |main_#t~mem2.offset| 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) (+ |main_#t~mem2.offset| 4)))))} is VALID [2020-07-18 05:11:32,845 INFO L280 TraceCheckUtils]: 21: Hoare triple {63#(and (= 0 |main_#t~mem2.offset|) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) (+ |main_#t~mem2.offset| 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) (+ |main_#t~mem2.offset| 4)))))} SUMMARY for call #t~mem3.base, #t~mem3.offset := read~$Pointer$(#t~mem2.base, 4 + #t~mem2.offset, 4); srcloc: L30-1 {64#(= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|))} is VALID [2020-07-18 05:11:32,847 INFO L280 TraceCheckUtils]: 22: Hoare triple {64#(= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|))} SUMMARY for call #t~mem4 := read~int(#t~mem3.base, #t~mem3.offset, 4); srcloc: L30-2 {65#(= 4 |main_#t~mem4|)} is VALID [2020-07-18 05:11:32,848 INFO L280 TraceCheckUtils]: 23: Hoare triple {65#(= 4 |main_#t~mem4|)} assume !(4 == #t~mem4); {47#false} is VALID [2020-07-18 05:11:32,848 INFO L263 TraceCheckUtils]: 24: Hoare triple {47#false} call __blast_assert(); {47#false} is VALID [2020-07-18 05:11:32,849 INFO L280 TraceCheckUtils]: 25: Hoare triple {47#false} assume !false; {47#false} is VALID [2020-07-18 05:11:32,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-18 05:11:32,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2013751109] [2020-07-18 05:11:32,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-18 05:11:32,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-07-18 05:11:32,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480962301] [2020-07-18 05:11:32,867 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-07-18 05:11:32,871 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-18 05:11:32,875 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2020-07-18 05:11:32,934 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:32,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-18 05:11:32,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-18 05:11:32,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-18 05:11:32,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2020-07-18 05:11:32,948 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 16 states. [2020-07-18 05:11:34,079 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 61 [2020-07-18 05:11:35,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:35,317 INFO L93 Difference]: Finished difference Result 57 states and 56 transitions. [2020-07-18 05:11:35,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-18 05:11:35,318 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 26 [2020-07-18 05:11:35,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-18 05:11:35,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-18 05:11:35,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 56 transitions. [2020-07-18 05:11:35,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-07-18 05:11:35,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 56 transitions. [2020-07-18 05:11:35,342 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 56 transitions. [2020-07-18 05:11:35,450 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:35,460 INFO L225 Difference]: With dead ends: 57 [2020-07-18 05:11:35,461 INFO L226 Difference]: Without dead ends: 0 [2020-07-18 05:11:35,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=187, Invalid=805, Unknown=0, NotChecked=0, Total=992 [2020-07-18 05:11:35,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-18 05:11:35,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-18 05:11:35,495 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-18 05:11:35,495 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-18 05:11:35,496 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 05:11:35,496 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 05:11:35,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:35,497 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 05:11:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 05:11:35,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:11:35,498 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:11:35,498 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-18 05:11:35,498 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-18 05:11:35,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-18 05:11:35,499 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-18 05:11:35,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 05:11:35,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:11:35,499 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-18 05:11:35,499 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-18 05:11:35,500 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-18 05:11:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-18 05:11:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-18 05:11:35,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-07-18 05:11:35,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-18 05:11:35,502 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-18 05:11:35,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-18 05:11:35,503 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-18 05:11:35,503 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-18 05:11:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-18 05:11:35,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-18 05:11:35,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 05:11:35,506 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-18 05:11:36,354 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 05:11:36,354 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-18 05:11:36,354 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-18 05:11:36,354 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-18 05:11:36,354 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-18 05:11:36,355 INFO L271 CegarLoopResult]: At program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) the Hoare annotation is: true [2020-07-18 05:11:36,355 INFO L271 CegarLoopResult]: At program point __blast_assertEXIT(lines 7 10) the Hoare annotation is: true [2020-07-18 05:11:36,355 INFO L271 CegarLoopResult]: At program point __blast_assertFINAL(lines 7 10) the Hoare annotation is: true [2020-07-18 05:11:36,355 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 7 10) the Hoare annotation is: true [2020-07-18 05:11:36,355 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-18 05:11:36,356 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-18 05:11:36,356 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-18 05:11:36,356 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-18 05:11:36,356 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,357 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse3 (+ |main_~#good~0.offset| 4)) (.cse2 (select |#memory_$Pointer$.base| |main_#t~mem0.base|))) (let ((.cse5 (select .cse2 (+ |main_#t~mem0.offset| 4))) (.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3)) (.cse4 (select |#memory_int| .cse0))) (and (not (= |main_~#good~0.base| .cse0)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select |#memory_$Pointer$.offset| |main_#t~mem0.base|) (select |#memory_$Pointer$.offset| .cse1)) (= (select |#memory_$Pointer$.base| .cse1) .cse2) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3)) (= 0 |main_#t~mem0.offset|) (= 0 |main_~#im~0.offset|) (= 3 (select .cse4 0)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#good~0.base| .cse5)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (not (= .cse5 .cse1)) (= 1 (select |#valid| |main_~#im~0.base|)) (= (select .cse4 |main_~#good~0.offset|) 3) (= 0 |main_~#inner~0.offset|)))) [2020-07-18 05:11:36,357 INFO L264 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse1 (select |#memory_$Pointer$.offset| .cse5)) (.cse2 (select |#memory_$Pointer$.base| .cse5)) (.cse4 (select |#memory_int| .cse0))) (and (not (= |main_~#good~0.base| .cse0)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= (select .cse1 4) |main_#t~mem1.offset|) (= (select |#memory_$Pointer$.offset| |main_#t~mem0.base|) .cse1) (= .cse2 (select |#memory_$Pointer$.base| |main_#t~mem0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3)) (= |main_#t~mem1.base| (select .cse2 4)) (= 0 |main_#t~mem0.offset|) (= 0 |main_~#im~0.offset|) (= 3 (select .cse4 0)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (not (= |main_#t~mem1.base| .cse5)) (= 1 (select |#valid| |main_~#im~0.base|)) (not (= |main_~#good~0.base| |main_#t~mem1.base|)) (= (select .cse4 |main_~#good~0.offset|) 3) (= 0 |main_~#inner~0.offset|))))) [2020-07-18 05:11:36,357 INFO L264 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|) (= 0 |main_~#inner~0.offset|)) [2020-07-18 05:11:36,357 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse3 (select (select |#memory_$Pointer$.base| .cse1) 4)) (.cse0 (select (select |#memory_$Pointer$.offset| .cse1) 4))) (and (= .cse0 |main_#t~mem1.offset|) (not (= |main_#t~mem1.base| .cse1)) (= 1 (select |#valid| |main_~#im~0.base|)) (not (= |main_~#good~0.base| |main_#t~mem1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= |main_#t~mem1.base| .cse3) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| .cse3) .cse0)))))) [2020-07-18 05:11:36,357 INFO L264 CegarLoopResult]: At program point L27-1(line 27) the Hoare annotation is: (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|) (= 0 |main_~#inner~0.offset|)) [2020-07-18 05:11:36,358 INFO L264 CegarLoopResult]: At program point L29-3(line 29) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse3 (select (select |#memory_$Pointer$.base| .cse1) 4)) (.cse0 (select (select |#memory_$Pointer$.offset| .cse1) 4))) (and (= .cse0 |main_#t~mem1.offset|) (not (= |main_#t~mem1.base| .cse1)) (= 1 (select |#valid| |main_~#im~0.base|)) (not (= |main_~#good~0.base| |main_#t~mem1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= |main_#t~mem1.base| .cse3) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| .cse3) .cse0)))))) [2020-07-18 05:11:36,358 INFO L264 CegarLoopResult]: At program point L27-2(line 27) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| .cse0) 0)) (= 0 |main_~#inner~0.offset|))) [2020-07-18 05:11:36,358 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 24 32) the Hoare annotation is: true [2020-07-18 05:11:36,358 INFO L264 CegarLoopResult]: At program point L27-3(line 27) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,358 INFO L264 CegarLoopResult]: At program point L27-4(line 27) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,358 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 24 32) the Hoare annotation is: true [2020-07-18 05:11:36,358 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,359 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 24 32) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-18 05:11:36,359 INFO L264 CegarLoopResult]: At program point L30-1(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_#t~mem2.offset|) (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 4 (let ((.cse3 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse3)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse3)))) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,359 INFO L264 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (let ((.cse1 (select |#memory_int| .cse0))) (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= (select .cse1 |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (= 3 (select .cse1 0)) (= 0 |main_~#inner~0.offset|)))) [2020-07-18 05:11:36,359 INFO L264 CegarLoopResult]: At program point L30-2(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_#t~mem2.offset|) (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 4 (let ((.cse3 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse3)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse3)))) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,360 INFO L264 CegarLoopResult]: At program point L28-1(line 28) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (let ((.cse1 (select |#memory_int| .cse0))) (and (not (= |main_~#good~0.base| .cse0)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= (select .cse1 |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (= 3 (select .cse1 0)) (= 0 |main_~#inner~0.offset|)))) [2020-07-18 05:11:36,360 INFO L264 CegarLoopResult]: At program point L30-3(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_#t~mem2.offset|) (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 4 (let ((.cse3 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse3)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse3)))) (= 4 |main_#t~mem4|) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,360 INFO L264 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|)) [2020-07-18 05:11:36,360 INFO L264 CegarLoopResult]: At program point L28-2(line 28) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse2 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse2) 4)) (.cse4 (select |#memory_int| .cse0))) (and (not (= |main_~#good~0.base| .cse0)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (not (= .cse1 .cse2)) (not (= |main_~#good~0.base| .cse1)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3)) (= (select .cse4 |main_~#good~0.offset|) 3) (= 0 |main_~#im~0.offset|) (= 3 (select .cse4 0)) (= 0 |main_~#inner~0.offset|))))) [2020-07-18 05:11:36,360 INFO L264 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) 0)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|)) [2020-07-18 05:11:36,360 INFO L264 CegarLoopResult]: At program point L30-5(line 30) the Hoare annotation is: false [2020-07-18 05:11:36,361 INFO L264 CegarLoopResult]: At program point L28-3(line 28) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,361 INFO L264 CegarLoopResult]: At program point L30-6(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (= 0 |main_#t~mem2.offset|) (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 4 (let ((.cse3 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse3)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse3)))) (= 4 |main_#t~mem4|) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,361 INFO L264 CegarLoopResult]: At program point L26-2(line 26) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,361 INFO L264 CegarLoopResult]: At program point L28-4(line 28) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,361 INFO L264 CegarLoopResult]: At program point L30-7(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 4 |main_#t~mem4|) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,362 INFO L264 CegarLoopResult]: At program point L26-3(line 26) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,362 INFO L264 CegarLoopResult]: At program point L30-8(line 30) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse1) 4))) (and (not (= .cse0 .cse1)) (not (= |main_~#good~0.base| .cse0)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (= 4 |main_#t~mem4|) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| .cse1) 4))))))) [2020-07-18 05:11:36,394 INFO L163 areAnnotationChecker]: CFG has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-18 05:11:36,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 05:11:36 BoogieIcfgContainer [2020-07-18 05:11:36,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 05:11:36,408 INFO L168 Benchmark]: Toolchain (without parser) took 5644.15 ms. Allocated memory was 138.9 MB in the beginning and 270.5 MB in the end (delta: 131.6 MB). Free memory was 103.1 MB in the beginning and 132.3 MB in the end (delta: -29.2 MB). Peak memory consumption was 102.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:36,409 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 138.9 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 05:11:36,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.77 ms. Allocated memory is still 138.9 MB. Free memory was 102.9 MB in the beginning and 92.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:36,411 INFO L168 Benchmark]: Boogie Preprocessor took 135.18 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 92.4 MB in the beginning and 181.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:36,412 INFO L168 Benchmark]: RCFGBuilder took 408.49 ms. Allocated memory is still 203.4 MB. Free memory was 181.4 MB in the beginning and 158.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:36,413 INFO L168 Benchmark]: TraceAbstraction took 4788.66 ms. Allocated memory was 203.4 MB in the beginning and 270.5 MB in the end (delta: 67.1 MB). Free memory was 157.7 MB in the beginning and 132.3 MB in the end (delta: 25.3 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. [2020-07-18 05:11:36,417 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 0.36 ms. Allocated memory is still 138.9 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 303.77 ms. Allocated memory is still 138.9 MB. Free memory was 102.9 MB in the beginning and 92.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.18 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 92.4 MB in the beginning and 181.4 MB in the end (delta: -88.9 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 408.49 ms. Allocated memory is still 203.4 MB. Free memory was 181.4 MB in the beginning and 158.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4788.66 ms. Allocated memory was 203.4 MB in the beginning and 270.5 MB in the end (delta: 67.1 MB). Free memory was 157.7 MB in the beginning and 132.3 MB in the end (delta: 25.3 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: 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 - ProcedureContractResult [Line: 7]: Procedure Contract for __blast_assert Derived contract for procedure __blast_assert: 1 - ProcedureContractResult [Line: 24]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 78 SDslu, 191 SDs, 0 SdLazy, 201 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred 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, 43 LocationsWithAnnotation, 43 PreInvPairs, 57 NumberOfFragments, 2029 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 43 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 11275 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...