/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 22:21:11,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 22:21:11,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 22:21:11,358 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 22:21:11,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 22:21:11,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 22:21:11,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 22:21:11,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 22:21:11,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 22:21:11,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 22:21:11,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 22:21:11,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 22:21:11,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 22:21:11,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 22:21:11,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 22:21:11,386 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 22:21:11,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 22:21:11,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 22:21:11,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 22:21:11,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 22:21:11,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 22:21:11,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 22:21:11,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 22:21:11,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 22:21:11,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-08 22:21:11,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 22:21:11,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 22:21:11,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 22:21:11,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 22:21:11,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 22:21:11,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 22:21:11,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 22:21:11,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 22:21:11,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 22:21:11,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 22:21:11,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 22:21:11,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 22:21:11,440 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 22:21:11,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 22:21:11,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 22:21:11,449 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 22:21:11,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 22:21:11,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 22:21:11,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 22:21:11,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 22:21:11,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 22:21:11,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 22:21:11,451 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 22:21:11,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 22:21:11,451 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 22:21:11,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 22:21:11,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 22:21:11,455 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 22:21:11,455 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 22:21:11,455 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 22:21:11,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:21:11,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 22:21:11,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 22:21:11,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 22:21:11,456 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 [2020-07-08 22:21:11,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 22:21:11,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 22:21:11,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 22:21:11,744 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 22:21:11,744 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 22:21:11,745 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i [2020-07-08 22:21:11,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db97c4249/f6ecacada9aa4d6f9f65f9e5e5d8b284/FLAG6003807ec [2020-07-08 22:21:12,292 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 22:21:12,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/nested_structure_ptr-2.i [2020-07-08 22:21:12,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db97c4249/f6ecacada9aa4d6f9f65f9e5e5d8b284/FLAG6003807ec [2020-07-08 22:21:12,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db97c4249/f6ecacada9aa4d6f9f65f9e5e5d8b284 [2020-07-08 22:21:12,657 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 22:21:12,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 22:21:12,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 22:21:12,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 22:21:12,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 22:21:12,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:21:12" (1/1) ... [2020-07-08 22:21:12,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e73a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:21:12, skipping insertion in model container [2020-07-08 22:21:12,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 10:21:12" (1/1) ... [2020-07-08 22:21:12,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 22:21:12,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 22:21:12,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:21:12,920 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 22:21:12,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 22:21:12,959 INFO L208 MainTranslator]: Completed translation [2020-07-08 22:21:12,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:21:12 WrapperNode [2020-07-08 22:21:12,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 22:21:12,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 22:21:12,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 22:21:12,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 22:21:13,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:21:12" (1/1) ... [2020-07-08 22:21:13,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:21:12" (1/1) ... [2020-07-08 22:21:13,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:21:12" (1/1) ... [2020-07-08 22:21:13,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:21:12" (1/1) ... [2020-07-08 22:21:13,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:21:12" (1/1) ... [2020-07-08 22:21:13,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:21:12" (1/1) ... [2020-07-08 22:21:13,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:21:12" (1/1) ... [2020-07-08 22:21:13,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 22:21:13,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 22:21:13,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 22:21:13,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 22:21:13,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:21:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 22:21:13,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 22:21:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 22:21:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 22:21:13,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 22:21:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 22:21:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 22:21:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-08 22:21:13,169 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-07-08 22:21:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-07-08 22:21:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 22:21:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 22:21:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-08 22:21:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-08 22:21:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-08 22:21:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 22:21:13,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 22:21:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 22:21:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 22:21:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 22:21:13,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-08 22:21:13,573 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 22:21:13,574 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 22:21:13,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:21:13 BoogieIcfgContainer [2020-07-08 22:21:13,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 22:21:13,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 22:21:13,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 22:21:13,582 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 22:21:13,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 10:21:12" (1/3) ... [2020-07-08 22:21:13,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f39a6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:21:13, skipping insertion in model container [2020-07-08 22:21:13,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 10:21:12" (2/3) ... [2020-07-08 22:21:13,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f39a6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 10:21:13, skipping insertion in model container [2020-07-08 22:21:13,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 10:21:13" (3/3) ... [2020-07-08 22:21:13,586 INFO L109 eAbstractionObserver]: Analyzing ICFG nested_structure_ptr-2.i [2020-07-08 22:21:13,596 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 22:21:13,604 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 22:21:13,618 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 22:21:13,638 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 22:21:13,638 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 22:21:13,638 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 22:21:13,638 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 22:21:13,639 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 22:21:13,639 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 22:21:13,639 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 22:21:13,639 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 22:21:13,653 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-08 22:21:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-07-08 22:21:13,663 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 22:21:13,664 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] [2020-07-08 22:21:13,665 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 22:21:13,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 22:21:13,671 INFO L82 PathProgramCache]: Analyzing trace with hash -923536628, now seen corresponding path program 1 times [2020-07-08 22:21:13,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 22:21:13,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616175129] [2020-07-08 22:21:13,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 22:21:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:21:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 22:21:14,726 INFO L280 TraceCheckUtils]: 0: Hoare triple {71#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {48#true} is VALID [2020-07-08 22:21:14,727 INFO L280 TraceCheckUtils]: 1: Hoare triple {48#true} #valid := #valid[0 := 0]; {48#true} is VALID [2020-07-08 22:21:14,728 INFO L280 TraceCheckUtils]: 2: Hoare triple {48#true} assume 0 < #StackHeapBarrier; {48#true} is VALID [2020-07-08 22:21:14,728 INFO L280 TraceCheckUtils]: 3: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-08 22:21:14,728 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {48#true} {48#true} #50#return; {48#true} is VALID [2020-07-08 22:21:14,732 INFO L263 TraceCheckUtils]: 0: Hoare triple {48#true} call ULTIMATE.init(); {71#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 22:21:14,733 INFO L280 TraceCheckUtils]: 1: Hoare triple {71#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {48#true} is VALID [2020-07-08 22:21:14,733 INFO L280 TraceCheckUtils]: 2: Hoare triple {48#true} #valid := #valid[0 := 0]; {48#true} is VALID [2020-07-08 22:21:14,733 INFO L280 TraceCheckUtils]: 3: Hoare triple {48#true} assume 0 < #StackHeapBarrier; {48#true} is VALID [2020-07-08 22:21:14,735 INFO L280 TraceCheckUtils]: 4: Hoare triple {48#true} assume true; {48#true} is VALID [2020-07-08 22:21:14,735 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {48#true} {48#true} #50#return; {48#true} is VALID [2020-07-08 22:21:14,737 INFO L263 TraceCheckUtils]: 6: Hoare triple {48#true} call #t~ret5 := main(); {48#true} is VALID [2020-07-08 22:21:14,740 INFO L280 TraceCheckUtils]: 7: Hoare triple {48#true} SUMMARY for call ~#im~0.base, ~#im~0.offset := #Ultimate.allocOnStack(4); srcloc: mainENTRY {55#(and (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|))} is VALID [2020-07-08 22:21:14,741 INFO L280 TraceCheckUtils]: 8: Hoare triple {55#(and (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|))} SUMMARY for call write~init~int(3, ~#im~0.base, ~#im~0.offset, 4); srcloc: L29 {56#(and (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|))} is VALID [2020-07-08 22:21:14,742 INFO L280 TraceCheckUtils]: 9: Hoare triple {56#(and (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|))} SUMMARY for call ~#inner~0.base, ~#inner~0.offset := #Ultimate.allocOnStack(8); srcloc: L29-1 {57#(and (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 0 |main_~#im~0.offset|) (= 0 |main_~#inner~0.offset|))} is VALID [2020-07-08 22:21:14,743 INFO L280 TraceCheckUtils]: 10: Hoare triple {57#(and (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 0 |main_~#im~0.offset|) (= 0 |main_~#inner~0.offset|))} SUMMARY for call write~init~int(2, ~#inner~0.base, ~#inner~0.offset, 4); srcloc: L30 {57#(and (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 0 |main_~#im~0.offset|) (= 0 |main_~#inner~0.offset|))} is VALID [2020-07-08 22:21:14,745 INFO L280 TraceCheckUtils]: 11: Hoare triple {57#(and (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 0 |main_~#im~0.offset|) (= 0 |main_~#inner~0.offset|))} SUMMARY for call write~init~$Pointer$(~#im~0.base, ~#im~0.offset, ~#inner~0.base, 4 + ~#inner~0.offset, 4); srcloc: L30-1 {58#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) 0)) (= 0 |main_~#inner~0.offset|))} is VALID [2020-07-08 22:21:14,746 INFO L280 TraceCheckUtils]: 12: Hoare triple {58#(and (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) 0)) (= 0 |main_~#inner~0.offset|))} SUMMARY for call ~#good~0.base, ~#good~0.offset := #Ultimate.allocOnStack(8); srcloc: L30-2 {59#(and (= 0 |main_~#good~0.offset|) (or (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (= 3 (select (select |#memory_int| |main_~#good~0.base|) |main_~#good~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= 0 |main_~#inner~0.offset|))} is VALID [2020-07-08 22:21:14,748 INFO L280 TraceCheckUtils]: 13: Hoare triple {59#(and (= 0 |main_~#good~0.offset|) (or (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (= 3 (select (select |#memory_int| |main_~#good~0.base|) |main_~#good~0.offset|))) (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= 0 |main_~#inner~0.offset|))} SUMMARY for call write~init~int(1, ~#good~0.base, ~#good~0.offset, 4); srcloc: L31 {60#(and (= 0 |main_~#good~0.offset|) (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= 0 |main_~#inner~0.offset|))} is VALID [2020-07-08 22:21:14,749 INFO L280 TraceCheckUtils]: 14: Hoare triple {60#(and (= 0 |main_~#good~0.offset|) (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)) |main_~#inner~0.base|)) (= 0 |main_~#inner~0.offset|))} SUMMARY for call write~init~$Pointer$(~#inner~0.base, ~#inner~0.offset, ~#good~0.base, 4 + ~#good~0.offset, 4); srcloc: L31-1 {61#(and (= 0 |main_~#good~0.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4) (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4)))) (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))))} is VALID [2020-07-08 22:21:14,750 INFO L280 TraceCheckUtils]: 15: Hoare triple {61#(and (= 0 |main_~#good~0.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4) (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4)))) (not (= |main_~#good~0.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))) 4))) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) (+ |main_~#good~0.offset| 4))))} ~ptr~0.base, ~ptr~0.offset := ~#good~0.base, ~#good~0.offset; {62#(and (not (= (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4))) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4) main_~ptr~0.base)))} is VALID [2020-07-08 22:21:14,752 INFO L280 TraceCheckUtils]: 16: Hoare triple {62#(and (not (= (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4))) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4) main_~ptr~0.base)))} SUMMARY for call #t~mem0.base, #t~mem0.offset := read~$Pointer$(~ptr~0.base, 4 + ~ptr~0.offset, 4); srcloc: L33 {63#(and (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)) |main_#t~mem0.base|)) (= 0 |main_#t~mem0.offset|) (= (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem0.base|) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)) main_~ptr~0.base)))} is VALID [2020-07-08 22:21:14,754 INFO L280 TraceCheckUtils]: 17: Hoare triple {63#(and (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)) |main_#t~mem0.base|)) (= 0 |main_#t~mem0.offset|) (= (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem0.base|) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)) main_~ptr~0.base)))} SUMMARY for call #t~mem1.base, #t~mem1.offset := read~$Pointer$(#t~mem0.base, 4 + #t~mem0.offset, 4); srcloc: L33-1 {64#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4) |main_#t~mem1.base|) (not (= (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4) |main_#t~mem1.offset|) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= |main_#t~mem1.base| main_~ptr~0.base)))} is VALID [2020-07-08 22:21:14,756 INFO L280 TraceCheckUtils]: 18: Hoare triple {64#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4) |main_#t~mem1.base|) (not (= (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) |main_#t~mem1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4) |main_#t~mem1.offset|) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= |main_#t~mem1.base| main_~ptr~0.base)))} SUMMARY for call write~int(4, #t~mem1.base, #t~mem1.offset, 4); srcloc: L33-2 {65#(and (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) 4))} is VALID [2020-07-08 22:21:14,758 INFO L280 TraceCheckUtils]: 19: Hoare triple {65#(and (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) 4))} havoc #t~mem1.base, #t~mem1.offset; {65#(and (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) 4))} is VALID [2020-07-08 22:21:14,760 INFO L280 TraceCheckUtils]: 20: Hoare triple {65#(and (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) 4))} havoc #t~mem0.base, #t~mem0.offset; {65#(and (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) 4))} is VALID [2020-07-08 22:21:14,761 INFO L280 TraceCheckUtils]: 21: Hoare triple {65#(and (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) 4)) 4))} SUMMARY for call #t~mem2.base, #t~mem2.offset := read~$Pointer$(~ptr~0.base, 4 + ~ptr~0.offset, 4); srcloc: L34 {66#(and (= 0 |main_#t~mem2.offset|) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) (+ |main_#t~mem2.offset| 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) (+ |main_#t~mem2.offset| 4)))))} is VALID [2020-07-08 22:21:14,762 INFO L280 TraceCheckUtils]: 22: Hoare triple {66#(and (= 0 |main_#t~mem2.offset|) (= 4 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) (+ |main_#t~mem2.offset| 4))) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) (+ |main_#t~mem2.offset| 4)))))} SUMMARY for call #t~mem3.base, #t~mem3.offset := read~$Pointer$(#t~mem2.base, 4 + #t~mem2.offset, 4); srcloc: L34-1 {67#(= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|))} is VALID [2020-07-08 22:21:14,763 INFO L280 TraceCheckUtils]: 23: Hoare triple {67#(= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|))} SUMMARY for call #t~mem4 := read~int(#t~mem3.base, #t~mem3.offset, 4); srcloc: L34-2 {68#(= 4 |main_#t~mem4|)} is VALID [2020-07-08 22:21:14,767 INFO L263 TraceCheckUtils]: 24: Hoare triple {68#(= 4 |main_#t~mem4|)} call __VERIFIER_assert((if 4 == #t~mem4 then 1 else 0)); {69#(not (= 0 |__VERIFIER_assert_#in~cond|))} is VALID [2020-07-08 22:21:14,768 INFO L280 TraceCheckUtils]: 25: Hoare triple {69#(not (= 0 |__VERIFIER_assert_#in~cond|))} ~cond := #in~cond; {70#(not (= 0 __VERIFIER_assert_~cond))} is VALID [2020-07-08 22:21:14,769 INFO L280 TraceCheckUtils]: 26: Hoare triple {70#(not (= 0 __VERIFIER_assert_~cond))} assume 0 == ~cond; {49#false} is VALID [2020-07-08 22:21:14,769 INFO L280 TraceCheckUtils]: 27: Hoare triple {49#false} assume !false; {49#false} is VALID [2020-07-08 22:21:14,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 22:21:14,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616175129] [2020-07-08 22:21:14,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 22:21:14,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-08 22:21:14,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468703730] [2020-07-08 22:21:14,793 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 28 [2020-07-08 22:21:14,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 22:21:14,801 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2020-07-08 22:21:14,871 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:21:14,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-08 22:21:14,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 22:21:14,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-08 22:21:14,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2020-07-08 22:21:14,891 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 19 states. [2020-07-08 22:21:16,291 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2020-07-08 22:21:17,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:21:17,942 INFO L93 Difference]: Finished difference Result 61 states and 60 transitions. [2020-07-08 22:21:17,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-08 22:21:17,943 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 28 [2020-07-08 22:21:17,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 22:21:17,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-08 22:21:17,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 60 transitions. [2020-07-08 22:21:17,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-07-08 22:21:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 60 transitions. [2020-07-08 22:21:17,965 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 60 transitions. [2020-07-08 22:21:18,087 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:21:18,095 INFO L225 Difference]: With dead ends: 61 [2020-07-08 22:21:18,095 INFO L226 Difference]: Without dead ends: 0 [2020-07-08 22:21:18,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=224, Invalid=1182, Unknown=0, NotChecked=0, Total=1406 [2020-07-08 22:21:18,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-08 22:21:18,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-08 22:21:18,131 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 22:21:18,132 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-08 22:21:18,132 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 22:21:18,133 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 22:21:18,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:21:18,133 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 22:21:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:21:18,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:21:18,134 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:21:18,134 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-08 22:21:18,134 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-08 22:21:18,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 22:21:18,135 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-08 22:21:18,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:21:18,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:21:18,136 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 22:21:18,136 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 22:21:18,136 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 22:21:18,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-08 22:21:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-08 22:21:18,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2020-07-08 22:21:18,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 22:21:18,139 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-08 22:21:18,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-08 22:21:18,139 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-08 22:21:18,139 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 22:21:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-08 22:21:18,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 22:21:18,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 22:21:18,142 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-08 22:21:19,108 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 22:21:19,108 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-08 22:21:19,108 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-08 22:21:19,108 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-08 22:21:19,108 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-08 22:21:19,109 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-08 22:21:19,109 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-08 22:21:19,109 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-08 22:21:19,109 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-08 22:21:19,109 INFO L264 CegarLoopResult]: At program point L33(line 33) the Hoare annotation is: (let ((.cse6 (+ main_~ptr~0.offset 4)) (.cse1 (+ |main_~#good~0.offset| 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse1)) (.cse3 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse6))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse2 (select (select |#memory_$Pointer$.base| .cse3) 4)) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4))) (and (= 0 |main_~#good~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse1)) (not (= .cse2 main_~ptr~0.base)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| .cse0) 0)) (not (= .cse0 |main_~#inner~0.base|)) (not (= .cse3 .cse2)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (not (= .cse4 .cse5)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse6)) (not (= |main_~#good~0.base| .cse4)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#inner~0.offset|))))) [2020-07-08 22:21:19,110 INFO L264 CegarLoopResult]: At program point L33-1(line 33) the Hoare annotation is: (let ((.cse1 (+ |main_~#good~0.offset| 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse1))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse3 (+ main_~ptr~0.offset 4)) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse2 (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)))) (and (= 0 |main_~#good~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse1)) (not (= .cse2 |main_#t~mem0.base|)) (= 0 |main_#t~mem0.offset|) (= (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse3) |main_#t~mem0.base|) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| .cse0) 0)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (not (= .cse4 .cse5)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse3)) (not (= |main_~#good~0.base| .cse4)) (= 1 (select |#valid| |main_~#im~0.base|)) (not (= .cse2 main_~ptr~0.base)) (= 0 |main_~#inner~0.offset|))))) [2020-07-08 22:21:19,110 INFO L264 CegarLoopResult]: At program point L31(line 31) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= 0 |main_~#good~0.offset|) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| .cse0) 0)) (= 0 |main_~#inner~0.offset|))) [2020-07-08 22:21:19,111 INFO L264 CegarLoopResult]: At program point L33-2(line 33) the Hoare annotation is: (let ((.cse2 (+ |main_~#good~0.offset| 4))) (let ((.cse5 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse2)) (.cse6 (+ main_~ptr~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse6)) (.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4))) (.cse4 (select (select |#memory_$Pointer$.base| .cse5) 4)) (.cse3 (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)))) (and (= 0 |main_~#good~0.offset|) (not (= |main_~#good~0.base| .cse0)) (= (select (select |#memory_$Pointer$.offset| .cse1) 4) |main_#t~mem1.offset|) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse2)) (not (= .cse3 |main_#t~mem0.base|)) (= 0 |main_#t~mem0.offset|) (= .cse1 |main_#t~mem0.base|) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| .cse0) 0)) (= (select (select |#memory_$Pointer$.base| .cse1) 4) |main_#t~mem1.base|) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (not (= .cse4 .cse5)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse6)) (not (= |main_~#good~0.base| .cse4)) (= 1 (select |#valid| |main_~#im~0.base|)) (not (= .cse3 main_~ptr~0.base)) (= 0 |main_~#inner~0.offset|))))) [2020-07-08 22:21:19,111 INFO L264 CegarLoopResult]: At program point L31-1(line 31) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= 0 |main_~#good~0.offset|) (not (= |main_~#good~0.base| .cse0)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| .cse0) 0)) (= 0 |main_~#inner~0.offset|))) [2020-07-08 22:21:19,111 INFO L264 CegarLoopResult]: At program point L33-3(line 33) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse4 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse0 (select (select |#memory_$Pointer$.base| .cse4) 4)) (.cse1 (select (select |#memory_$Pointer$.offset| .cse4) 4)) (.cse3 (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)))) (and (= .cse0 |main_#t~mem1.base|) (= .cse1 |main_#t~mem1.offset|) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= 1 (select |#valid| |main_~#im~0.base|)) (not (= .cse3 |main_#t~mem0.base|)) (= (select (select |#memory_int| .cse0) .cse1) 4) (= 0 |main_#t~mem0.offset|) (= .cse4 |main_#t~mem0.base|) (= 0 |main_~#im~0.offset|) (not (= .cse3 main_~ptr~0.base)))))) [2020-07-08 22:21:19,111 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (and (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|)) [2020-07-08 22:21:19,112 INFO L264 CegarLoopResult]: At program point L31-2(line 31) the Hoare annotation is: (let ((.cse3 (+ |main_~#good~0.offset| 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| |main_~#good~0.base|) .cse3))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse2) 4)) (.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (= 0 |main_~#good~0.offset|) (not (= |main_~#good~0.base| .cse0)) (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (not (= .cse1 .cse2)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (not (= |main_~#good~0.base| .cse1)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_~#good~0.base|) .cse3)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| .cse0) 0)) (= 0 |main_~#inner~0.offset|))))) [2020-07-08 22:21:19,112 INFO L264 CegarLoopResult]: At program point L33-4(line 33) the Hoare annotation is: (let ((.cse0 (+ main_~ptr~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse0)) (.cse1 (select (select |#memory_$Pointer$.base| |main_#t~mem0.base|) (+ |main_#t~mem0.offset| 4)))) (and (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse0)) (= 1 (select |#valid| |main_~#im~0.base|)) (not (= .cse1 |main_#t~mem0.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| .cse2) 4)) (select (select |#memory_$Pointer$.offset| .cse2) 4)) 4) (= 0 |main_#t~mem0.offset|) (= .cse2 |main_#t~mem0.base|) (= 0 |main_~#im~0.offset|) (not (= .cse1 main_~ptr~0.base))))) [2020-07-08 22:21:19,112 INFO L264 CegarLoopResult]: At program point L29-1(line 29) the Hoare annotation is: (and (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|)) [2020-07-08 22:21:19,113 INFO L264 CegarLoopResult]: At program point L31-3(line 31) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)))))) [2020-07-08 22:21:19,113 INFO L264 CegarLoopResult]: At program point L29-2(line 29) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= 1 (select |#valid| |main_~#im~0.base|)) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)) (= 0 |main_~#im~0.offset|))))) [2020-07-08 22:21:19,113 INFO L264 CegarLoopResult]: At program point L31-4(line 31) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)))))) [2020-07-08 22:21:19,113 INFO L264 CegarLoopResult]: At program point L29-3(line 29) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)))))) [2020-07-08 22:21:19,114 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 27 36) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)))))) [2020-07-08 22:21:19,114 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 27 36) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)))))) [2020-07-08 22:21:19,114 INFO L264 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= 1 (select |#valid| |main_~#im~0.base|)) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)) (= 0 |main_~#im~0.offset|))))) [2020-07-08 22:21:19,115 INFO L264 CegarLoopResult]: At program point L34-1(line 34) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (= 0 |main_#t~mem2.offset|) (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 4 (let ((.cse3 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse3)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse3)))) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)) (= 0 |main_~#im~0.offset|))))) [2020-07-08 22:21:19,115 INFO L264 CegarLoopResult]: At program point L34-2(line 34) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (= 0 |main_#t~mem2.offset|) (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 4 (let ((.cse3 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse3)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse3)))) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)))))) [2020-07-08 22:21:19,115 INFO L264 CegarLoopResult]: At program point L34-3(line 34) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (= 0 |main_#t~mem2.offset|) (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 4 (let ((.cse3 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse3)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse3)))) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)) (= 4 |main_#t~mem4|) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)))))) [2020-07-08 22:21:19,115 INFO L264 CegarLoopResult]: At program point L30(line 30) the Hoare annotation is: (and (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|) (= 0 |main_~#inner~0.offset|)) [2020-07-08 22:21:19,116 INFO L264 CegarLoopResult]: At program point L34-4(line 34) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (= 0 |main_#t~mem2.offset|) (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 4 (let ((.cse3 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse3)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse3)))) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)) (= 4 |main_#t~mem4|) (= 0 |main_~#im~0.offset|) (= 4 (select (select |#memory_int| |main_#t~mem3.base|) |main_#t~mem3.offset|)))))) [2020-07-08 22:21:19,116 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 27 36) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-08 22:21:19,116 INFO L264 CegarLoopResult]: At program point L30-1(line 30) the Hoare annotation is: (and (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|) (= 0 |main_~#inner~0.offset|)) [2020-07-08 22:21:19,116 INFO L264 CegarLoopResult]: At program point L34-5(line 34) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (= 0 |main_#t~mem2.offset|) (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 4 (let ((.cse3 (+ |main_#t~mem2.offset| 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem2.base|) .cse3)) (select (select |#memory_$Pointer$.offset| |main_#t~mem2.base|) .cse3)))) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)) (= 4 |main_#t~mem4|) (= 0 |main_~#im~0.offset|))))) [2020-07-08 22:21:19,117 INFO L264 CegarLoopResult]: At program point L30-2(line 30) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#inner~0.base|) (+ |main_~#inner~0.offset| 4)))) (and (not (= .cse0 |main_~#inner~0.base|)) (not (= |main_~#im~0.base| |main_~#inner~0.base|)) (= 3 (select (select |#memory_int| |main_~#im~0.base|) |main_~#im~0.offset|)) (= 1 (select |#valid| |main_~#im~0.base|)) (= 0 |main_~#im~0.offset|) (= 3 (select (select |#memory_int| .cse0) 0)) (= 0 |main_~#inner~0.offset|))) [2020-07-08 22:21:19,117 INFO L264 CegarLoopResult]: At program point L34-6(line 34) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= 1 (select |#valid| |main_~#im~0.base|)) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)) (= 4 |main_#t~mem4|) (= 0 |main_~#im~0.offset|))))) [2020-07-08 22:21:19,117 INFO L264 CegarLoopResult]: At program point L30-3(line 30) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)))))) [2020-07-08 22:21:19,117 INFO L264 CegarLoopResult]: At program point L30-4(line 30) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)))))) [2020-07-08 22:21:19,118 INFO L264 CegarLoopResult]: At program point L35(line 35) the Hoare annotation is: (let ((.cse2 (+ main_~ptr~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~ptr~0.base) .cse2))) (let ((.cse1 (select (select |#memory_$Pointer$.base| .cse0) 4))) (and (not (= .cse0 .cse1)) (= 0 main_~ptr~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) .cse2)) (= 1 (select |#valid| |main_~#im~0.base|)) (= (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| .cse0) 4)) 4) (not (= .cse1 main_~ptr~0.base)) (= 0 |main_~#im~0.offset|))))) [2020-07-08 22:21:19,118 INFO L264 CegarLoopResult]: At program point L3-2(lines 2 7) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-08 22:21:19,118 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2020-07-08 22:21:19,118 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertEXIT(lines 2 7) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-08 22:21:19,118 INFO L264 CegarLoopResult]: At program point L4(line 4) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-08 22:21:19,119 INFO L264 CegarLoopResult]: At program point L3(lines 3 5) the Hoare annotation is: (or (= 0 |__VERIFIER_assert_#in~cond|) (not (= 0 __VERIFIER_assert_~cond))) [2020-07-08 22:21:19,119 INFO L264 CegarLoopResult]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) the Hoare annotation is: (= 0 |__VERIFIER_assert_#in~cond|) [2020-07-08 22:21:19,162 INFO L163 areAnnotationChecker]: CFG has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 22:21:19,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:21:19,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:21:19,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-08 22:21:19,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 10:21:19 BoogieIcfgContainer [2020-07-08 22:21:19,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 22:21:19,183 INFO L168 Benchmark]: Toolchain (without parser) took 6524.40 ms. Allocated memory was 145.8 MB in the beginning and 298.8 MB in the end (delta: 153.1 MB). Free memory was 104.5 MB in the beginning and 265.3 MB in the end (delta: -160.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 22:21:19,184 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 145.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 22:21:19,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.67 ms. Allocated memory is still 145.8 MB. Free memory was 104.3 MB in the beginning and 93.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2020-07-08 22:21:19,186 INFO L168 Benchmark]: Boogie Preprocessor took 154.94 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 93.6 MB in the beginning and 181.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-08 22:21:19,187 INFO L168 Benchmark]: RCFGBuilder took 462.28 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 156.7 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2020-07-08 22:21:19,188 INFO L168 Benchmark]: TraceAbstraction took 5602.46 ms. Allocated memory was 203.9 MB in the beginning and 298.8 MB in the end (delta: 94.9 MB). Free memory was 156.0 MB in the beginning and 265.4 MB in the end (delta: -109.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 22:21:19,193 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 145.8 MB. Free memory was 122.4 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 297.67 ms. Allocated memory is still 145.8 MB. Free memory was 104.3 MB in the beginning and 93.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 154.94 ms. Allocated memory was 145.8 MB in the beginning and 203.9 MB in the end (delta: 58.2 MB). Free memory was 93.6 MB in the beginning and 181.5 MB in the end (delta: -87.9 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 462.28 ms. Allocated memory is still 203.9 MB. Free memory was 181.5 MB in the beginning and 156.7 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5602.46 ms. Allocated memory was 203.9 MB in the beginning and 298.8 MB in the end (delta: 94.9 MB). Free memory was 156.0 MB in the beginning and 265.4 MB in the end (delta: -109.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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 * 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_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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 27]: Procedure Contract for main [2020-07-08 22:21:19,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:21:19,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:21:19,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,207 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-08 22:21:19,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:21:19,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-08 22:21:19,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-08 22:21:19,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-08 22:21:19,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-08 22:21:19,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived contract for procedure main: (((!(#memory_$Pointer$[ptr][ptr + 4] == #memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4]) && 0 == ptr) && 0 == #memory_$Pointer$[ptr][ptr + 4]) && unknown-#memory_int-unknown[#memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4]][#memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4]] == 4) && !(#memory_$Pointer$[#memory_$Pointer$[ptr][ptr + 4]][4] == ptr) - ProcedureContractResult [Line: 2]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 0 == \old(cond) || !(0 == cond) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 93 SDslu, 235 SDs, 0 SdLazy, 288 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 45 LocationsWithAnnotation, 45 PreInvPairs, 61 NumberOfFragments, 2430 HoareAnnotationTreeSize, 45 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 66 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 14040 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...