/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/test30-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-11 01:07:18,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-11 01:07:18,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-11 01:07:18,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-11 01:07:18,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-11 01:07:18,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-11 01:07:18,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-11 01:07:18,938 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-11 01:07:18,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-11 01:07:18,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-11 01:07:18,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-11 01:07:18,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-11 01:07:18,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-11 01:07:18,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-11 01:07:18,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-11 01:07:18,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-11 01:07:18,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-11 01:07:18,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-11 01:07:18,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-11 01:07:18,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-11 01:07:18,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-11 01:07:18,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-11 01:07:18,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-11 01:07:18,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-11 01:07:18,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-11 01:07:18,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-11 01:07:18,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-11 01:07:18,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-11 01:07:18,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-11 01:07:19,019 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-11 01:07:19,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-11 01:07:19,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-11 01:07:19,021 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-11 01:07:19,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-11 01:07:19,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-11 01:07:19,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-11 01:07:19,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-11 01:07:19,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-11 01:07:19,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-11 01:07:19,025 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-11 01:07:19,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-11 01:07:19,025 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-11 01:07:19,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-11 01:07:19,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-11 01:07:19,026 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-11 01:07:19,026 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-11 01:07:19,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-11 01:07:19,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-11 01:07:19,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-11 01:07:19,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-11 01:07:19,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-11 01:07:19,027 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 [2020-07-11 01:07:19,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-11 01:07:19,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-11 01:07:19,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-11 01:07:19,348 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-11 01:07:19,349 INFO L275 PluginConnector]: CDTParser initialized [2020-07-11 01:07:19,350 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2020-07-11 01:07:19,436 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fda49a46/128223442cca4150aba13c69023f7a13/FLAG039b0e793 [2020-07-11 01:07:19,946 INFO L306 CDTParser]: Found 1 translation units. [2020-07-11 01:07:19,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test30-1.c [2020-07-11 01:07:19,953 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fda49a46/128223442cca4150aba13c69023f7a13/FLAG039b0e793 [2020-07-11 01:07:20,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fda49a46/128223442cca4150aba13c69023f7a13 [2020-07-11 01:07:20,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-11 01:07:20,303 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-11 01:07:20,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-11 01:07:20,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-11 01:07:20,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-11 01:07:20,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 01:07:20" (1/1) ... [2020-07-11 01:07:20,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667a5e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:07:20, skipping insertion in model container [2020-07-11 01:07:20,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 01:07:20" (1/1) ... [2020-07-11 01:07:20,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-11 01:07:20,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-11 01:07:20,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 01:07:20,542 INFO L203 MainTranslator]: Completed pre-run [2020-07-11 01:07:20,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-11 01:07:20,580 INFO L208 MainTranslator]: Completed translation [2020-07-11 01:07:20,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:07:20 WrapperNode [2020-07-11 01:07:20,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-11 01:07:20,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-11 01:07:20,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-11 01:07:20,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-11 01:07:20,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:07:20" (1/1) ... [2020-07-11 01:07:20,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:07:20" (1/1) ... [2020-07-11 01:07:20,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:07:20" (1/1) ... [2020-07-11 01:07:20,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:07:20" (1/1) ... [2020-07-11 01:07:20,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:07:20" (1/1) ... [2020-07-11 01:07:20,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:07:20" (1/1) ... [2020-07-11 01:07:20,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:07:20" (1/1) ... [2020-07-11 01:07:20,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-11 01:07:20,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-11 01:07:20,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-11 01:07:20,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-11 01:07:20,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:07:20" (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 [2020-07-11 01:07:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-11 01:07:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-11 01:07:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-07-11 01:07:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2020-07-11 01:07:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-11 01:07:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-11 01:07:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-07-11 01:07:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-11 01:07:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-11 01:07:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2020-07-11 01:07:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-11 01:07:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-11 01:07:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-11 01:07:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-11 01:07:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-11 01:07:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-11 01:07:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-11 01:07:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-11 01:07:20,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-11 01:07:21,182 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-11 01:07:21,182 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-11 01:07:21,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 01:07:21 BoogieIcfgContainer [2020-07-11 01:07:21,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-11 01:07:21,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-11 01:07:21,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-11 01:07:21,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-11 01:07:21,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 01:07:20" (1/3) ... [2020-07-11 01:07:21,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290250ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 01:07:21, skipping insertion in model container [2020-07-11 01:07:21,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 01:07:20" (2/3) ... [2020-07-11 01:07:21,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290250ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 01:07:21, skipping insertion in model container [2020-07-11 01:07:21,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 01:07:21" (3/3) ... [2020-07-11 01:07:21,205 INFO L109 eAbstractionObserver]: Analyzing ICFG test30-1.c [2020-07-11 01:07:21,216 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-11 01:07:21,225 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-11 01:07:21,239 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-11 01:07:21,261 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-11 01:07:21,261 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-11 01:07:21,261 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-11 01:07:21,262 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-11 01:07:21,262 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-11 01:07:21,262 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-11 01:07:21,262 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-11 01:07:21,262 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-11 01:07:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-07-11 01:07:21,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-11 01:07:21,287 INFO L414 BasicCegarLoop]: Found error trace [2020-07-11 01:07:21,288 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-11 01:07:21,288 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-11 01:07:21,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-11 01:07:21,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1008205128, now seen corresponding path program 1 times [2020-07-11 01:07:21,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-11 01:07:21,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [917774735] [2020-07-11 01:07:21,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-11 01:07:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:07:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:07:22,171 INFO L280 TraceCheckUtils]: 0: Hoare triple {85#(and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#global~0.base| |old(~#global~0.base)|) (= |#valid| |old(#valid)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0; {50#true} is VALID [2020-07-11 01:07:22,172 INFO L280 TraceCheckUtils]: 1: Hoare triple {50#true} #valid := #valid[0 := 0]; {50#true} is VALID [2020-07-11 01:07:22,172 INFO L280 TraceCheckUtils]: 2: Hoare triple {50#true} assume 0 < #StackHeapBarrier; {50#true} is VALID [2020-07-11 01:07:22,174 INFO L280 TraceCheckUtils]: 3: Hoare triple {50#true} SUMMARY for call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4); srcloc: L3 {86#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-11 01:07:22,176 INFO L280 TraceCheckUtils]: 4: Hoare triple {86#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call write~init~int(1, ~#a~0.base, ~#a~0.offset, 4); srcloc: L3-1 {86#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-11 01:07:22,177 INFO L280 TraceCheckUtils]: 5: Hoare triple {86#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4); srcloc: L3-2 {87#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-11 01:07:22,178 INFO L280 TraceCheckUtils]: 6: Hoare triple {87#(not (= |~#b~0.base| |~#a~0.base|))} SUMMARY for call write~init~int(0, ~#b~0.base, ~#b~0.offset, 4); srcloc: L3-3 {87#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-11 01:07:22,179 INFO L280 TraceCheckUtils]: 7: Hoare triple {87#(not (= |~#b~0.base| |~#a~0.base|))} SUMMARY for call ~#global~0.base, ~#global~0.offset := #Ultimate.allocOnStack(8); srcloc: L3-4 {88#(and (not (= |~#b~0.base| |~#a~0.base|)) (= |~#global~0.offset| 0))} is VALID [2020-07-11 01:07:22,181 INFO L280 TraceCheckUtils]: 8: Hoare triple {88#(and (not (= |~#b~0.base| |~#a~0.base|)) (= |~#global~0.offset| 0))} SUMMARY for call write~init~$Pointer$(~#a~0.base, ~#a~0.offset, ~#global~0.base, ~#global~0.offset, 4); srcloc: L5 {89#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} is VALID [2020-07-11 01:07:22,182 INFO L280 TraceCheckUtils]: 9: Hoare triple {89#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} SUMMARY for call write~init~$Pointer$(~#b~0.base, ~#b~0.offset, ~#global~0.base, 4 + ~#global~0.offset, 4); srcloc: L5-1 {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-11 01:07:22,184 INFO L280 TraceCheckUtils]: 10: Hoare triple {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} assume true; {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-11 01:07:22,186 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} {50#true} #49#return; {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-11 01:07:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:07:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-11 01:07:22,913 INFO L280 TraceCheckUtils]: 0: Hoare triple {90#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset; {103#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|))} is VALID [2020-07-11 01:07:22,914 INFO L280 TraceCheckUtils]: 1: Hoare triple {103#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|))} ~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset; {104#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|) (= assign_~pb.base |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,916 INFO L280 TraceCheckUtils]: 2: Hoare triple {104#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|) (= assign_~pb.base |assign_#in~pb.base|))} SUMMARY for call #t~mem0 := read~int(~pb.base, ~pb.offset, 4); srcloc: L11 {105#(or (and (= |assign_#t~mem0| (select (select (store |#memory_int| assign_~pa.base (store (select |#memory_int| assign_~pa.base) assign_~pa.offset |assign_#t~mem0|)) |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,918 INFO L280 TraceCheckUtils]: 3: Hoare triple {105#(or (and (= |assign_#t~mem0| (select (select (store |#memory_int| assign_~pa.base (store (select |#memory_int| assign_~pa.base) assign_~pa.offset |assign_#t~mem0|)) |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} SUMMARY for call write~int(#t~mem0, ~pa.base, ~pa.offset, 4); srcloc: L11-1 {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,919 INFO L280 TraceCheckUtils]: 4: Hoare triple {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} havoc #t~mem0; {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,920 INFO L280 TraceCheckUtils]: 5: Hoare triple {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} assume true; {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,924 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} {94#(and (or (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.base|) (not (= 4 |assign2_#in~pb.offset|))) (= |assign2_#t~mem1.base| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (or (and (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (not (= 4 |assign2_#in~pb.offset|))))} #53#return; {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-11 01:07:22,926 INFO L280 TraceCheckUtils]: 0: Hoare triple {90#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset; {91#(and (= assign2_~pa.offset |assign2_#in~pa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:07:22,927 INFO L280 TraceCheckUtils]: 1: Hoare triple {91#(and (= assign2_~pa.offset |assign2_#in~pa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset; {92#(and (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) (= 4 assign2_~pb.offset)) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:07:22,929 INFO L280 TraceCheckUtils]: 2: Hoare triple {92#(and (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) (= 4 assign2_~pb.offset)) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~pa.base, ~pa.offset, 4); srcloc: L16 {93#(and (or (= assign2_~pb.offset |assign2_#in~pb.offset|) (= 4 assign2_~pb.offset)) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= 4 assign2_~pb.offset)) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:07:22,931 INFO L280 TraceCheckUtils]: 3: Hoare triple {93#(and (or (= assign2_~pb.offset |assign2_#in~pb.offset|) (= 4 assign2_~pb.offset)) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= 4 assign2_~pb.offset)) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~pb.base, ~pb.offset, 4); srcloc: L16-1 {94#(and (or (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.base|) (not (= 4 |assign2_#in~pb.offset|))) (= |assign2_#t~mem1.base| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (or (and (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (not (= 4 |assign2_#in~pb.offset|))))} is VALID [2020-07-11 01:07:22,935 INFO L263 TraceCheckUtils]: 4: Hoare triple {94#(and (or (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.base|) (not (= 4 |assign2_#in~pb.offset|))) (= |assign2_#t~mem1.base| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (or (and (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (not (= 4 |assign2_#in~pb.offset|))))} call assign(#t~mem1.base, #t~mem1.offset, #t~mem2.base, #t~mem2.offset); {90#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:07:22,936 INFO L280 TraceCheckUtils]: 5: Hoare triple {90#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset; {103#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|))} is VALID [2020-07-11 01:07:22,937 INFO L280 TraceCheckUtils]: 6: Hoare triple {103#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|))} ~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset; {104#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|) (= assign_~pb.base |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,938 INFO L280 TraceCheckUtils]: 7: Hoare triple {104#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|) (= assign_~pb.base |assign_#in~pb.base|))} SUMMARY for call #t~mem0 := read~int(~pb.base, ~pb.offset, 4); srcloc: L11 {105#(or (and (= |assign_#t~mem0| (select (select (store |#memory_int| assign_~pa.base (store (select |#memory_int| assign_~pa.base) assign_~pa.offset |assign_#t~mem0|)) |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,940 INFO L280 TraceCheckUtils]: 8: Hoare triple {105#(or (and (= |assign_#t~mem0| (select (select (store |#memory_int| assign_~pa.base (store (select |#memory_int| assign_~pa.base) assign_~pa.offset |assign_#t~mem0|)) |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} SUMMARY for call write~int(#t~mem0, ~pa.base, ~pa.offset, 4); srcloc: L11-1 {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,941 INFO L280 TraceCheckUtils]: 9: Hoare triple {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} havoc #t~mem0; {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,942 INFO L280 TraceCheckUtils]: 10: Hoare triple {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} assume true; {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,945 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} {94#(and (or (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.base|) (not (= 4 |assign2_#in~pb.offset|))) (= |assign2_#t~mem1.base| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (or (and (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (not (= 4 |assign2_#in~pb.offset|))))} #53#return; {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-11 01:07:22,946 INFO L280 TraceCheckUtils]: 12: Hoare triple {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} havoc #t~mem2.base, #t~mem2.offset; {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-11 01:07:22,947 INFO L280 TraceCheckUtils]: 13: Hoare triple {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} havoc #t~mem1.base, #t~mem1.offset; {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-11 01:07:22,948 INFO L280 TraceCheckUtils]: 14: Hoare triple {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} assume true; {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-11 01:07:22,951 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} {65#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| main_~pd~0.base) main_~pd~0.offset) |~#a~0.base|) (= 0 main_~pd~0.offset) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| main_~pd~0.base) main_~pd~0.offset) |~#a~0.offset|) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) 4)))} #47#return; {82#(= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))} is VALID [2020-07-11 01:07:22,956 INFO L263 TraceCheckUtils]: 0: Hoare triple {50#true} call ULTIMATE.init(); {85#(and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#global~0.base| |old(~#global~0.base)|) (= |#valid| |old(#valid)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|))} is VALID [2020-07-11 01:07:22,957 INFO L280 TraceCheckUtils]: 1: Hoare triple {85#(and (= |~#a~0.base| |old(~#a~0.base)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#global~0.base| |old(~#global~0.base)|) (= |#valid| |old(#valid)|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |old(#length)| |#length|))} #NULL.base, #NULL.offset := 0, 0; {50#true} is VALID [2020-07-11 01:07:22,957 INFO L280 TraceCheckUtils]: 2: Hoare triple {50#true} #valid := #valid[0 := 0]; {50#true} is VALID [2020-07-11 01:07:22,957 INFO L280 TraceCheckUtils]: 3: Hoare triple {50#true} assume 0 < #StackHeapBarrier; {50#true} is VALID [2020-07-11 01:07:22,959 INFO L280 TraceCheckUtils]: 4: Hoare triple {50#true} SUMMARY for call ~#a~0.base, ~#a~0.offset := #Ultimate.allocOnStack(4); srcloc: L3 {86#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-11 01:07:22,960 INFO L280 TraceCheckUtils]: 5: Hoare triple {86#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call write~init~int(1, ~#a~0.base, ~#a~0.offset, 4); srcloc: L3-1 {86#(= 1 (select |#valid| |~#a~0.base|))} is VALID [2020-07-11 01:07:22,961 INFO L280 TraceCheckUtils]: 6: Hoare triple {86#(= 1 (select |#valid| |~#a~0.base|))} SUMMARY for call ~#b~0.base, ~#b~0.offset := #Ultimate.allocOnStack(4); srcloc: L3-2 {87#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-11 01:07:22,962 INFO L280 TraceCheckUtils]: 7: Hoare triple {87#(not (= |~#b~0.base| |~#a~0.base|))} SUMMARY for call write~init~int(0, ~#b~0.base, ~#b~0.offset, 4); srcloc: L3-3 {87#(not (= |~#b~0.base| |~#a~0.base|))} is VALID [2020-07-11 01:07:22,963 INFO L280 TraceCheckUtils]: 8: Hoare triple {87#(not (= |~#b~0.base| |~#a~0.base|))} SUMMARY for call ~#global~0.base, ~#global~0.offset := #Ultimate.allocOnStack(8); srcloc: L3-4 {88#(and (not (= |~#b~0.base| |~#a~0.base|)) (= |~#global~0.offset| 0))} is VALID [2020-07-11 01:07:22,964 INFO L280 TraceCheckUtils]: 9: Hoare triple {88#(and (not (= |~#b~0.base| |~#a~0.base|)) (= |~#global~0.offset| 0))} SUMMARY for call write~init~$Pointer$(~#a~0.base, ~#a~0.offset, ~#global~0.base, ~#global~0.offset, 4); srcloc: L5 {89#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} is VALID [2020-07-11 01:07:22,965 INFO L280 TraceCheckUtils]: 10: Hoare triple {89#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)))} SUMMARY for call write~init~$Pointer$(~#b~0.base, ~#b~0.offset, ~#global~0.base, 4 + ~#global~0.offset, 4); srcloc: L5-1 {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-11 01:07:22,967 INFO L280 TraceCheckUtils]: 11: Hoare triple {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} assume true; {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-11 01:07:22,969 INFO L275 TraceCheckUtils]: 12: Hoare quadruple {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} {50#true} #49#return; {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-11 01:07:22,970 INFO L263 TraceCheckUtils]: 13: Hoare triple {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} call #t~ret5 := main(); {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} is VALID [2020-07-11 01:07:22,972 INFO L280 TraceCheckUtils]: 14: Hoare triple {64#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) (+ |~#global~0.offset| 4))) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) (+ |~#global~0.offset| 4)) |~#b~0.offset|))} ~pd~0.base, ~pd~0.offset := ~#global~0.base, ~#global~0.offset; {65#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| main_~pd~0.base) main_~pd~0.offset) |~#a~0.base|) (= 0 main_~pd~0.offset) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| main_~pd~0.base) main_~pd~0.offset) |~#a~0.offset|) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) 4)))} is VALID [2020-07-11 01:07:22,974 INFO L263 TraceCheckUtils]: 15: Hoare triple {65#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| main_~pd~0.base) main_~pd~0.offset) |~#a~0.base|) (= 0 main_~pd~0.offset) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| main_~pd~0.base) main_~pd~0.offset) |~#a~0.offset|) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) 4)))} call assign2(~pd~0.base, ~pd~0.offset, ~pd~0.base, 4 + ~pd~0.offset); {90#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:07:22,975 INFO L280 TraceCheckUtils]: 16: Hoare triple {90#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset; {91#(and (= assign2_~pa.offset |assign2_#in~pa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:07:22,977 INFO L280 TraceCheckUtils]: 17: Hoare triple {91#(and (= assign2_~pa.offset |assign2_#in~pa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset; {92#(and (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) (= 4 assign2_~pb.offset)) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:07:22,978 INFO L280 TraceCheckUtils]: 18: Hoare triple {92#(and (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) (= 4 assign2_~pb.offset)) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(~pa.base, ~pa.offset, 4); srcloc: L16 {93#(and (or (= assign2_~pb.offset |assign2_#in~pb.offset|) (= 4 assign2_~pb.offset)) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= 4 assign2_~pb.offset)) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:07:22,980 INFO L280 TraceCheckUtils]: 19: Hoare triple {93#(and (or (= assign2_~pb.offset |assign2_#in~pb.offset|) (= 4 assign2_~pb.offset)) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= 4 assign2_~pb.offset)) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} SUMMARY for call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~pb.base, ~pb.offset, 4); srcloc: L16-1 {94#(and (or (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.base|) (not (= 4 |assign2_#in~pb.offset|))) (= |assign2_#t~mem1.base| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (or (and (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (not (= 4 |assign2_#in~pb.offset|))))} is VALID [2020-07-11 01:07:22,983 INFO L263 TraceCheckUtils]: 20: Hoare triple {94#(and (or (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.base|) (not (= 4 |assign2_#in~pb.offset|))) (= |assign2_#t~mem1.base| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (or (and (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (not (= 4 |assign2_#in~pb.offset|))))} call assign(#t~mem1.base, #t~mem1.offset, #t~mem2.base, #t~mem2.offset); {90#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} is VALID [2020-07-11 01:07:22,984 INFO L280 TraceCheckUtils]: 21: Hoare triple {90#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))} ~pa.base, ~pa.offset := #in~pa.base, #in~pa.offset; {103#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|))} is VALID [2020-07-11 01:07:22,986 INFO L280 TraceCheckUtils]: 22: Hoare triple {103#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|))} ~pb.base, ~pb.offset := #in~pb.base, #in~pb.offset; {104#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|) (= assign_~pb.base |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,988 INFO L280 TraceCheckUtils]: 23: Hoare triple {104#(and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|) (= assign_~pb.base |assign_#in~pb.base|))} SUMMARY for call #t~mem0 := read~int(~pb.base, ~pb.offset, 4); srcloc: L11 {105#(or (and (= |assign_#t~mem0| (select (select (store |#memory_int| assign_~pa.base (store (select |#memory_int| assign_~pa.base) assign_~pa.offset |assign_#t~mem0|)) |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,990 INFO L280 TraceCheckUtils]: 24: Hoare triple {105#(or (and (= |assign_#t~mem0| (select (select (store |#memory_int| assign_~pa.base (store (select |#memory_int| assign_~pa.base) assign_~pa.offset |assign_#t~mem0|)) |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} SUMMARY for call write~int(#t~mem0, ~pa.base, ~pa.offset, 4); srcloc: L11-1 {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,991 INFO L280 TraceCheckUtils]: 25: Hoare triple {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} havoc #t~mem0; {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,992 INFO L280 TraceCheckUtils]: 26: Hoare triple {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} assume true; {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} is VALID [2020-07-11 01:07:22,995 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {106#(or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|))} {94#(and (or (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.base|) (not (= 4 |assign2_#in~pb.offset|))) (= |assign2_#t~mem1.base| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (or (and (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|) (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (not (= 4 |assign2_#in~pb.offset|))))} #53#return; {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-11 01:07:22,996 INFO L280 TraceCheckUtils]: 28: Hoare triple {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} havoc #t~mem2.base, #t~mem2.offset; {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-11 01:07:22,998 INFO L280 TraceCheckUtils]: 29: Hoare triple {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} havoc #t~mem1.base, #t~mem1.offset; {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-11 01:07:22,999 INFO L280 TraceCheckUtils]: 30: Hoare triple {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} assume true; {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} is VALID [2020-07-11 01:07:23,002 INFO L275 TraceCheckUtils]: 31: Hoare quadruple {102#(or (= (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (not (= 4 |assign2_#in~pb.offset|)))} {65#(and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.base| main_~pd~0.base) main_~pd~0.offset) |~#a~0.base|) (= 0 main_~pd~0.offset) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| main_~pd~0.base) 4)) (= (select (select |#memory_$Pointer$.offset| main_~pd~0.base) main_~pd~0.offset) |~#a~0.offset|) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| main_~pd~0.base) 4)))} #47#return; {82#(= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))} is VALID [2020-07-11 01:07:23,003 INFO L280 TraceCheckUtils]: 32: Hoare triple {82#(= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))} SUMMARY for call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset, 4); srcloc: L23-1 {83#(= |main_#t~mem3| (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))} is VALID [2020-07-11 01:07:23,004 INFO L280 TraceCheckUtils]: 33: Hoare triple {83#(= |main_#t~mem3| (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))} SUMMARY for call #t~mem4 := read~int(~#b~0.base, ~#b~0.offset, 4); srcloc: L25 {84#(= |main_#t~mem4| |main_#t~mem3|)} is VALID [2020-07-11 01:07:23,005 INFO L280 TraceCheckUtils]: 34: Hoare triple {84#(= |main_#t~mem4| |main_#t~mem3|)} assume #t~mem3 != #t~mem4; {51#false} is VALID [2020-07-11 01:07:23,005 INFO L280 TraceCheckUtils]: 35: Hoare triple {51#false} havoc #t~mem4; {51#false} is VALID [2020-07-11 01:07:23,006 INFO L280 TraceCheckUtils]: 36: Hoare triple {51#false} havoc #t~mem3; {51#false} is VALID [2020-07-11 01:07:23,006 INFO L280 TraceCheckUtils]: 37: Hoare triple {51#false} assume !false; {51#false} is VALID [2020-07-11 01:07:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-11 01:07:23,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [917774735] [2020-07-11 01:07:23,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-11 01:07:23,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-07-11 01:07:23,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680312799] [2020-07-11 01:07:23,032 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 38 [2020-07-11 01:07:23,035 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-11 01:07:23,040 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2020-07-11 01:07:23,129 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:07:23,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-11 01:07:23,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-11 01:07:23,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-11 01:07:23,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2020-07-11 01:07:23,143 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 22 states. [2020-07-11 01:07:25,550 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2020-07-11 01:07:26,321 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-07-11 01:07:26,646 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-07-11 01:07:28,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:07:28,607 INFO L93 Difference]: Finished difference Result 51 states and 50 transitions. [2020-07-11 01:07:28,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-07-11 01:07:28,607 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 38 [2020-07-11 01:07:28,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-11 01:07:28,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-07-11 01:07:28,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 50 transitions. [2020-07-11 01:07:28,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-07-11 01:07:28,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 50 transitions. [2020-07-11 01:07:28,630 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states and 50 transitions. [2020-07-11 01:07:28,771 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:07:28,778 INFO L225 Difference]: With dead ends: 51 [2020-07-11 01:07:28,778 INFO L226 Difference]: Without dead ends: 0 [2020-07-11 01:07:28,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=352, Invalid=1718, Unknown=0, NotChecked=0, Total=2070 [2020-07-11 01:07:28,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-11 01:07:28,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-11 01:07:28,804 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-11 01:07:28,805 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-11 01:07:28,805 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-11 01:07:28,805 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-11 01:07:28,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:07:28,806 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-11 01:07:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 01:07:28,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:07:28,806 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:07:28,806 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-11 01:07:28,807 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-11 01:07:28,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-11 01:07:28,807 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-11 01:07:28,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 01:07:28,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:07:28,807 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-11 01:07:28,807 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-11 01:07:28,808 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-11 01:07:28,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-11 01:07:28,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-11 01:07:28,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2020-07-11 01:07:28,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-11 01:07:28,810 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-11 01:07:28,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-11 01:07:28,811 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-11 01:07:28,811 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-11 01:07:28,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-11 01:07:28,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-11 01:07:28,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-11 01:07:28,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-11 01:07:30,132 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2020-07-11 01:07:30,264 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 63 [2020-07-11 01:07:30,871 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2020-07-11 01:07:31,125 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2020-07-11 01:07:31,333 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 66 [2020-07-11 01:07:31,527 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 56 [2020-07-11 01:07:31,807 INFO L264 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: (= 1 (select |#valid| |~#a~0.base|)) [2020-07-11 01:07:31,807 INFO L264 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: (and (not (= |~#b~0.base| |~#a~0.base|)) (= 1 (select |#valid| |~#a~0.base|))) [2020-07-11 01:07:31,808 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-11 01:07:31,808 INFO L264 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: (and (not (= |~#b~0.base| |~#a~0.base|)) (= 1 (select |#valid| |~#a~0.base|))) [2020-07-11 01:07:31,808 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-11 01:07:31,808 INFO L264 CegarLoopResult]: At program point ULTIMATE.initFINAL(lines 5 7) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |~#global~0.base|)) (.cse0 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (and (not (= |~#b~0.base| |~#a~0.base|)) (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= 1 (select |#valid| |~#a~0.base|)) (= |~#a~0.base| (select .cse1 |~#global~0.offset|)) (= |~#b~0.base| (select .cse1 .cse2)) (= (select .cse0 .cse2) |~#b~0.offset|))) [2020-07-11 01:07:31,808 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~#a~0.base)| |~#a~0.base|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#global~0.base| |old(~#global~0.base)|) (= |old(~#b~0.offset)| |~#b~0.offset|) (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~#a~0.offset)| |~#a~0.offset|) (= |old(#length)| |#length|)) [2020-07-11 01:07:31,809 INFO L264 CegarLoopResult]: At program point L5(lines 5 7) the Hoare annotation is: (and (not (= |~#b~0.base| |~#a~0.base|)) (= |~#global~0.offset| 0) (= 1 (select |#valid| |~#a~0.base|))) [2020-07-11 01:07:31,809 INFO L264 CegarLoopResult]: At program point L5-1(lines 5 7) the Hoare annotation is: (and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= 1 (select |#valid| |~#a~0.base|)) (= |~#a~0.base| (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|))) [2020-07-11 01:07:31,809 INFO L271 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true [2020-07-11 01:07:31,809 INFO L264 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: (= 1 (select |#valid| |~#a~0.base|)) [2020-07-11 01:07:31,809 INFO L264 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |~#global~0.base|)) (.cse0 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (and (not (= |~#b~0.base| |~#a~0.base|)) (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= 1 (select |#valid| |~#a~0.base|)) (= |~#a~0.base| (select .cse1 |~#global~0.offset|)) (= |~#b~0.base| (select .cse1 .cse2)) (= (select .cse0 .cse2) |~#b~0.offset|))) [2020-07-11 01:07:31,809 INFO L264 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: (and (not (= |~#b~0.base| |~#a~0.base|)) (= |~#global~0.offset| 0) (= 1 (select |#valid| |~#a~0.base|)) (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) [2020-07-11 01:07:31,809 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.base| |~#global~0.base|)) (.cse0 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (and (not (= |~#b~0.base| |~#a~0.base|)) (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|) (= |~#global~0.offset| 0) (= 1 (select |#valid| |~#a~0.base|)) (= |~#a~0.base| (select .cse1 |~#global~0.offset|)) (= |~#b~0.base| (select .cse1 .cse2)) (= (select .cse0 .cse2) |~#b~0.offset|))) [2020-07-11 01:07:31,810 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-11 01:07:31,810 INFO L264 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: (and (not (= |~#b~0.base| |~#a~0.base|)) (= |~#global~0.offset| 0) (= 1 (select |#valid| |~#a~0.base|)) (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) [2020-07-11 01:07:31,810 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= 0 |~#global~0.offset|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,811 INFO L264 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= 0 |~#global~0.offset|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,811 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,811 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)))) [2020-07-11 01:07:31,812 INFO L264 CegarLoopResult]: At program point L26(lines 20 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= 0 |~#global~0.offset|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,812 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (let ((.cse3 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))) (and (= |main_#t~mem3| .cse3) (= .cse3 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)))))) [2020-07-11 01:07:31,812 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)))) [2020-07-11 01:07:31,812 INFO L264 CegarLoopResult]: At program point L25-1(lines 25 27) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (let ((.cse3 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))) (and (= |main_#t~mem3| .cse3) (= .cse3 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (= |main_#t~mem4| |main_#t~mem3|))))) [2020-07-11 01:07:31,813 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (let ((.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (let ((.cse0 (select |#memory_$Pointer$.base| main_~pd~0.base)) (.cse1 (select |#memory_$Pointer$.offset| main_~pd~0.base))) (and (= (select .cse0 main_~pd~0.offset) |~#a~0.base|) (= 0 main_~pd~0.offset) (= |~#b~0.base| (select .cse0 4)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= (select .cse1 main_~pd~0.offset) |~#a~0.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |~#b~0.offset| (select .cse1 4)))) (not (= |~#global~0.offset| 0)) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse3 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse2 .cse4))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse3 .cse4) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,813 INFO L264 CegarLoopResult]: At program point L25-2(line 25) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= 0 |~#global~0.offset|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,813 INFO L264 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)))) [2020-07-11 01:07:31,813 INFO L264 CegarLoopResult]: At program point L25-3(line 25) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (+ |~#global~0.offset| 4))) (or (not (= 0 |~#global~0.offset|)) (not (= (select .cse0 .cse1) |~#b~0.offset|)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#a~0.base| (select .cse2 |~#global~0.offset|))) (not (= (select .cse2 .cse1) |~#b~0.base|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,813 INFO L264 CegarLoopResult]: At program point L25-4(line 25) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (let ((.cse3 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))) (and (= |main_#t~mem3| .cse3) (= .cse3 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (= |main_#t~mem4| |main_#t~mem3|))))) [2020-07-11 01:07:31,814 INFO L264 CegarLoopResult]: At program point L25-5(line 25) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (let ((.cse3 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))) (and (= |main_#t~mem3| .cse3) (= .cse3 (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)))))) [2020-07-11 01:07:31,814 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)))) [2020-07-11 01:07:31,814 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (and (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) (= 4 assign2_~pb.offset)) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,814 INFO L264 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (let ((.cse3 (= 4 assign2_~pb.offset))) (and (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) .cse3) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not .cse3) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,814 INFO L264 CegarLoopResult]: At program point L14(lines 14 17) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (and (= assign2_~pa.offset |assign2_#in~pa.offset|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,815 INFO L264 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: (let ((.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (let ((.cse0 (not (= 4 |assign2_#in~pb.offset|))) (.cse1 (= 4 assign2_~pb.offset))) (and (or (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.base|) .cse0) (= assign2_~pa.offset |assign2_#in~pa.offset|) (or .cse0 (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|)) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) .cse1) (= (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.base|) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not .cse1) (= (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|) |assign2_#t~mem1.offset|)) (= |assign2_#in~pa.base| assign2_~pa.base) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse3 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse2 .cse4))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse3 .cse4) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,815 INFO L264 CegarLoopResult]: At program point L16-3(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse6 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse7 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (let ((.cse2 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (.cse1 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse4 (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (.cse5 (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse3 (not (= 4 |assign2_#in~pb.offset|)))) (and (= |assign2_#t~mem1.base| .cse1) (or (= .cse2 |assign2_#t~mem2.base|) .cse3) (or (= (select (select |#memory_int| .cse2) .cse4) (select (select |#memory_int| .cse1) .cse5)) (= .cse2 .cse1) .cse3) (or (and (= .cse4 |assign2_#t~mem2.offset|) (= .cse5 |assign2_#t~mem1.offset|)) .cse3))) (not (= (select .cse6 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse7))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse6 .cse7) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,815 INFO L264 CegarLoopResult]: At program point assign2FINAL(lines 14 17) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (.cse1 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (= (select (select |#memory_int| .cse0) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| .cse1) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.base|)) (= .cse0 .cse1) (not (= (select .cse3 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse2 .cse4))) (= |~#b~0.base| |~#a~0.base|) (not (= 4 |assign2_#in~pb.offset|)) (not (= (select .cse3 .cse4) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,815 INFO L264 CegarLoopResult]: At program point assign2ENTRY(lines 14 17) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,816 INFO L264 CegarLoopResult]: At program point L16-4(line 16) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (.cse1 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (= (select (select |#memory_int| .cse0) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| .cse1) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.base|)) (= .cse0 .cse1) (not (= (select .cse3 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse2 .cse4))) (= |~#b~0.base| |~#a~0.base|) (not (= 4 |assign2_#in~pb.offset|)) (not (= (select .cse3 .cse4) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,816 INFO L264 CegarLoopResult]: At program point assign2EXIT(lines 14 17) the Hoare annotation is: (let ((.cse0 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (.cse1 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (= (select (select |#memory_int| .cse0) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (select (select |#memory_int| .cse1) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|))) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.base|)) (= .cse0 .cse1) (not (= (select .cse3 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse2 .cse4))) (= |~#b~0.base| |~#a~0.base|) (not (= 4 |assign2_#in~pb.offset|)) (not (= (select .cse3 .cse4) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,816 INFO L264 CegarLoopResult]: At program point assignEXIT(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|) (or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|)) (= assign_~pb.base |assign_#in~pb.base|)))) [2020-07-11 01:07:31,817 INFO L264 CegarLoopResult]: At program point assignENTRY(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,817 INFO L264 CegarLoopResult]: At program point assignFINAL(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|) (or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) (= |assign_#in~pa.base| |assign_#in~pb.base|)) (= assign_~pb.base |assign_#in~pb.base|)))) [2020-07-11 01:07:31,817 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= |#memory_int| |old(#memory_int)|) (= assign_~pb.offset |assign_#in~pb.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= assign_~pb.base |assign_#in~pb.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))) [2020-07-11 01:07:31,817 INFO L264 CegarLoopResult]: At program point L11-1(line 11) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (and (or (= |assign_#in~pa.base| |assign_#in~pb.base|) (= |assign_#t~mem0| (select (select (store |#memory_int| assign_~pa.base (store (select |#memory_int| assign_~pa.base) assign_~pa.offset |assign_#t~mem0|)) |assign_#in~pb.base|) |assign_#in~pb.offset|))) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= |#memory_int| |old(#memory_int)|) (= assign_~pb.offset |assign_#in~pb.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= assign_~pb.base |assign_#in~pb.base|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,818 INFO L264 CegarLoopResult]: At program point L9(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#global~0.offset| 0)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse0 .cse2))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))) (and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))) [2020-07-11 01:07:31,818 INFO L264 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse3 (+ |~#global~0.offset| 4))) (or (let ((.cse0 (= |assign_#in~pa.base| |assign_#in~pb.base|))) (and (or .cse0 (= |assign_#t~mem0| (select (select (store |#memory_int| assign_~pa.base (store (select |#memory_int| assign_~pa.base) assign_~pa.offset |assign_#t~mem0|)) |assign_#in~pb.base|) |assign_#in~pb.offset|))) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|) (or (= (select (select |#memory_int| |assign_#in~pa.base|) |assign_#in~pa.offset|) (select (select |#memory_int| |assign_#in~pb.base|) |assign_#in~pb.offset|)) .cse0) (= assign_~pb.base |assign_#in~pb.base|))) (not (= |~#global~0.offset| 0)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.offset|)) (not (= |~#b~0.base| (select .cse1 .cse3))) (= |~#b~0.base| |~#a~0.base|) (not (= (select .cse2 .cse3) |~#b~0.offset|)) (not (= 1 (select |#valid| |~#a~0.base|))))) [2020-07-11 01:07:31,879 INFO L163 areAnnotationChecker]: CFG has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-11 01:07:31,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,892 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,893 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,902 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,903 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,907 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,908 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,909 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,911 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 01:07:31 BoogieIcfgContainer [2020-07-11 01:07:31,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-11 01:07:31,925 INFO L168 Benchmark]: Toolchain (without parser) took 11622.66 ms. Allocated memory was 139.5 MB in the beginning and 347.6 MB in the end (delta: 208.1 MB). Free memory was 102.6 MB in the beginning and 197.8 MB in the end (delta: -95.2 MB). Peak memory consumption was 112.9 MB. Max. memory is 7.1 GB. [2020-07-11 01:07:31,926 INFO L168 Benchmark]: CDTParser took 0.94 ms. Allocated memory is still 139.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-11 01:07:31,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.51 ms. Allocated memory is still 139.5 MB. Free memory was 102.4 MB in the beginning and 91.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2020-07-11 01:07:31,929 INFO L168 Benchmark]: Boogie Preprocessor took 122.11 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 91.8 MB in the beginning and 181.1 MB in the end (delta: -89.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-11 01:07:31,930 INFO L168 Benchmark]: RCFGBuilder took 486.33 ms. Allocated memory is still 203.4 MB. Free memory was 180.5 MB in the beginning and 155.9 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-07-11 01:07:31,931 INFO L168 Benchmark]: TraceAbstraction took 10731.66 ms. Allocated memory was 203.4 MB in the beginning and 347.6 MB in the end (delta: 144.2 MB). Free memory was 155.3 MB in the beginning and 197.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. [2020-07-11 01:07:31,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94 ms. Allocated memory is still 139.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 274.51 ms. Allocated memory is still 139.5 MB. Free memory was 102.4 MB in the beginning and 91.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 122.11 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 91.8 MB in the beginning and 181.1 MB in the end (delta: -89.3 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 486.33 ms. Allocated memory is still 203.4 MB. Free memory was 180.5 MB in the beginning and 155.9 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10731.66 ms. Allocated memory was 203.4 MB in the beginning and 347.6 MB in the end (delta: 144.2 MB). Free memory was 155.3 MB in the beginning and 197.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant [2020-07-11 01:07:31,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((!(0 == global) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || a == b) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(a == \old(#memory_$Pointer$)[global][global])) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || !(1 == \valid[a]) - ProcedureContractResult [Line: 19]: Procedure Contract for main [2020-07-11 01:07:31,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,961 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived contract for procedure main: ((((((!(global == 0) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(b == \old(#memory_$Pointer$)[global][global + 4])) || b == a) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || !(1 == \valid[a])) || unknown-#memory_int-unknown[b][b] == unknown-#memory_int-unknown[a][a] - ProcedureContractResult [Line: 14]: Procedure Contract for assign2 [2020-07-11 01:07:31,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,966 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,968 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived contract for procedure assign2: ((((((((!(global == 0) || unknown-#memory_int-unknown[\old(#memory_$Pointer$)[pb][4]][\old(#memory_$Pointer$)[pb][4]] == unknown-#memory_int-unknown[\old(#memory_$Pointer$)[pa][pa]][\old(#memory_$Pointer$)[pa][pa]]) || !(\old(#memory_$Pointer$)[global][global] == a)) || \old(#memory_$Pointer$)[pb][4] == \old(#memory_$Pointer$)[pa][pa]) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(b == \old(#memory_$Pointer$)[global][global + 4])) || b == a) || !(4 == pb)) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || !(1 == \valid[a]) - ProcedureContractResult [Line: 9]: Procedure Contract for assign [2020-07-11 01:07:31,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,978 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,979 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,980 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-11 01:07:31,982 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-11 01:07:31,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,983 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-11 01:07:31,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-11 01:07:31,984 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived contract for procedure assign: ((((((!(global == 0) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(b == \old(#memory_$Pointer$)[global][global + 4])) || b == a) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || !(1 == \valid[a])) || ((((pa == pa && pa == pa) && pb == pb) && (unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[pb][pb] || pa == pb)) && pb == pb) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 129 SDslu, 34 SDs, 0 SdLazy, 485 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 47 LocationsWithAnnotation, 47 PreInvPairs, 51 NumberOfFragments, 2582 HoareAnnotationTreeSize, 47 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 47 FomulaSimplificationsInter, 1564 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 25789 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...