/usr/bin/java -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 0.1.25-3af5e1f [2020-09-04 22:06:36,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 22:06:36,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 22:06:36,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 22:06:36,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 22:06:36,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 22:06:36,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 22:06:36,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 22:06:36,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 22:06:36,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 22:06:36,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 22:06:36,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 22:06:36,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 22:06:36,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 22:06:36,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 22:06:36,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 22:06:36,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 22:06:36,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 22:06:36,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 22:06:36,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 22:06:36,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 22:06:36,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 22:06:36,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 22:06:36,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 22:06:36,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 22:06:36,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 22:06:36,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 22:06:36,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 22:06:36,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 22:06:36,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 22:06:36,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 22:06:36,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 22:06:36,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 22:06:36,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 22:06:36,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 22:06:36,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 22:06:36,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 22:06:36,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 22:06:36,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 22:06:36,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 22:06:36,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 22:06:36,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 22:06:36,211 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 22:06:36,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 22:06:36,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 22:06:36,213 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 22:06:36,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 22:06:36,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 22:06:36,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 22:06:36,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 22:06:36,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 22:06:36,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 22:06:36,214 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 22:06:36,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 22:06:36,215 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 22:06:36,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 22:06:36,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 22:06:36,216 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 22:06:36,216 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 22:06:36,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 22:06:36,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 22:06:36,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 22:06:36,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 22:06:36,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 22:06:36,217 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 [2020-09-04 22:06:36,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 22:06:36,680 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 22:06:36,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 22:06:36,689 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 22:06:36,689 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 22:06:36,690 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test30-1.c [2020-09-04 22:06:36,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f20526b02/f8b4814b0fc14f8c9b8e475cc1e1557c/FLAGef707cbe4 [2020-09-04 22:06:37,342 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 22:06:37,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test30-1.c [2020-09-04 22:06:37,351 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f20526b02/f8b4814b0fc14f8c9b8e475cc1e1557c/FLAGef707cbe4 [2020-09-04 22:06:37,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f20526b02/f8b4814b0fc14f8c9b8e475cc1e1557c [2020-09-04 22:06:37,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 22:06:37,704 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 22:06:37,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 22:06:37,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 22:06:37,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 22:06:37,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:06:37" (1/1) ... [2020-09-04 22:06:37,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450dbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:37, skipping insertion in model container [2020-09-04 22:06:37,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 10:06:37" (1/1) ... [2020-09-04 22:06:37,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 22:06:37,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 22:06:37,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:06:37,970 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 22:06:37,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 22:06:38,011 INFO L208 MainTranslator]: Completed translation [2020-09-04 22:06:38,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:38 WrapperNode [2020-09-04 22:06:38,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 22:06:38,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 22:06:38,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 22:06:38,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 22:06:38,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:38" (1/1) ... [2020-09-04 22:06:38,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:38" (1/1) ... [2020-09-04 22:06:38,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:38" (1/1) ... [2020-09-04 22:06:38,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:38" (1/1) ... [2020-09-04 22:06:38,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:38" (1/1) ... [2020-09-04 22:06:38,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:38" (1/1) ... [2020-09-04 22:06:38,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:38" (1/1) ... [2020-09-04 22:06:38,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 22:06:38,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 22:06:38,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 22:06:38,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 22:06:38,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 22:06:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 22:06:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 22:06:38,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2020-09-04 22:06:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assign2 [2020-09-04 22:06:38,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 22:06:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 22:06:38,226 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2020-09-04 22:06:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 22:06:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 22:06:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure assign2 [2020-09-04 22:06:38,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 22:06:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 22:06:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 22:06:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 22:06:38,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 22:06:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-04 22:06:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 22:06:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 22:06:38,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 22:06:38,577 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 22:06:38,577 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 22:06:38,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:06:38 BoogieIcfgContainer [2020-09-04 22:06:38,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 22:06:38,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 22:06:38,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 22:06:38,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 22:06:38,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 10:06:37" (1/3) ... [2020-09-04 22:06:38,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a724d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:06:38, skipping insertion in model container [2020-09-04 22:06:38,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 10:06:38" (2/3) ... [2020-09-04 22:06:38,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a724d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 10:06:38, skipping insertion in model container [2020-09-04 22:06:38,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 10:06:38" (3/3) ... [2020-09-04 22:06:38,592 INFO L109 eAbstractionObserver]: Analyzing ICFG test30-1.c [2020-09-04 22:06:38,604 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 22:06:38,614 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 22:06:38,636 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 22:06:38,665 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 22:06:38,666 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 22:06:38,666 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 22:06:38,666 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 22:06:38,666 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 22:06:38,666 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 22:06:38,666 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 22:06:38,667 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 22:06:38,684 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-09-04 22:06:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-04 22:06:38,697 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 22:06:38,698 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] [2020-09-04 22:06:38,699 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 22:06:38,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 22:06:38,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1008205128, now seen corresponding path program 1 times [2020-09-04 22:06:38,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 22:06:38,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407439757] [2020-09-04 22:06:38,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 22:06:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:06:39,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 22:06:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:06:39,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-04 22:06:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:06:39,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-04 22:06:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 22:06:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 22:06:40,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407439757] [2020-09-04 22:06:40,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 22:06:40,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2020-09-04 22:06:40,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248870628] [2020-09-04 22:06:40,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-04 22:06:40,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 22:06:40,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-04 22:06:40,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2020-09-04 22:06:40,053 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 22 states. [2020-09-04 22:06:41,337 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2020-09-04 22:06:41,810 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2020-09-04 22:06:41,980 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2020-09-04 22:06:42,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 22:06:42,639 INFO L93 Difference]: Finished difference Result 51 states and 50 transitions. [2020-09-04 22:06:42,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-04 22:06:42,641 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 38 [2020-09-04 22:06:42,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 22:06:42,649 INFO L225 Difference]: With dead ends: 51 [2020-09-04 22:06:42,649 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 22:06:42,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=352, Invalid=1718, Unknown=0, NotChecked=0, Total=2070 [2020-09-04 22:06:42,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 22:06:42,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 22:06:42,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 22:06:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 22:06:42,680 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2020-09-04 22:06:42,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 22:06:42,681 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 22:06:42,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-04 22:06:42,681 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 22:06:42,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 22:06:42,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 22:06:42,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 22:06:43,461 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 55 [2020-09-04 22:06:44,270 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2020-09-04 22:06:44,921 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2020-09-04 22:06:45,207 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 79 [2020-09-04 22:06:45,412 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2020-09-04 22:06:45,609 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 56 [2020-09-04 22:06:45,900 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 54 [2020-09-04 22:06:45,904 INFO L264 CegarLoopResult]: At program point L3-2(line 3) the Hoare annotation is: (= (select |#valid| |~#a~0.base|) 1) [2020-09-04 22:06:45,905 INFO L264 CegarLoopResult]: At program point L3-3(line 3) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2020-09-04 22:06:45,905 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-04 22:06:45,905 INFO L264 CegarLoopResult]: At program point L3-4(line 3) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (not (= |~#b~0.base| |~#a~0.base|))) [2020-09-04 22:06:45,905 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-09-04 22:06:45,905 INFO L264 CegarLoopResult]: At program point ULTIMATE.initFINAL(lines 5 7) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4)) (.cse1 (select |#memory_$Pointer$.base| |~#global~0.base|))) (and (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|) (= |~#b~0.base| (select .cse1 .cse2)) (= (select |#valid| |~#a~0.base|) 1) (= (select .cse0 .cse2) |~#b~0.offset|) (= (select .cse1 |~#global~0.offset|) |~#a~0.base|) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|)))) [2020-09-04 22:06:45,906 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |~#global~0.base| |old(~#global~0.base)|) (= |old(~#a~0.offset)| |~#a~0.offset|) (= |old(#length)| |#length|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#global~0.offset| |old(~#global~0.offset)|) (= |old(~#a~0.base)| |~#a~0.base|) (= |old(~#b~0.offset)| |~#b~0.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-04 22:06:45,906 INFO L264 CegarLoopResult]: At program point L5(lines 5 7) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|))) [2020-09-04 22:06:45,906 INFO L264 CegarLoopResult]: At program point L5-1(lines 5 7) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |~#global~0.base|) |~#global~0.offset|) |~#a~0.offset|) (= (select |#valid| |~#a~0.base|) 1) (= (select (select |#memory_$Pointer$.base| |~#global~0.base|) |~#global~0.offset|) |~#a~0.base|) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|))) [2020-09-04 22:06:45,906 INFO L271 CegarLoopResult]: At program point L3(line 3) the Hoare annotation is: true [2020-09-04 22:06:45,906 INFO L264 CegarLoopResult]: At program point L3-1(line 3) the Hoare annotation is: (= (select |#valid| |~#a~0.base|) 1) [2020-09-04 22:06:45,907 INFO L264 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4)) (.cse1 (select |#memory_$Pointer$.base| |~#global~0.base|))) (and (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|) (= |~#b~0.base| (select .cse1 .cse2)) (= (select |#valid| |~#a~0.base|) 1) (= (select .cse0 .cse2) |~#b~0.offset|) (= (select .cse1 |~#global~0.offset|) |~#a~0.base|) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|)))) [2020-09-04 22:06:45,907 INFO L264 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|))) [2020-09-04 22:06:45,907 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (select |#memory_$Pointer$.offset| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4)) (.cse1 (select |#memory_$Pointer$.base| |~#global~0.base|))) (and (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|) (= |~#b~0.base| (select .cse1 .cse2)) (= (select |#valid| |~#a~0.base|) 1) (= (select .cse0 .cse2) |~#b~0.offset|) (= (select .cse1 |~#global~0.offset|) |~#a~0.base|) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|)))) [2020-09-04 22:06:45,907 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 22:06:45,907 INFO L264 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: (and (= (select |#valid| |~#a~0.base|) 1) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (= |~#global~0.offset| 0) (not (= |~#b~0.base| |~#a~0.base|))) [2020-09-04 22:06:45,908 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#a~0.base| (select .cse0 |~#global~0.offset|))) (not (= |~#a~0.offset| (select .cse1 |~#global~0.offset|))) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 .cse2) |~#b~0.base|)) (not (= (select |#valid| |~#a~0.base|) 1)))) [2020-09-04 22:06:45,908 INFO L264 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#a~0.base| (select .cse0 |~#global~0.offset|))) (not (= |~#a~0.offset| (select .cse1 |~#global~0.offset|))) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 .cse2) |~#b~0.base|)) (not (= (select |#valid| |~#a~0.base|) 1)))) [2020-09-04 22:06:45,908 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,908 INFO L264 CegarLoopResult]: At program point L29(line 29) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,909 INFO L264 CegarLoopResult]: At program point L26(lines 20 33) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#a~0.base| (select .cse0 |~#global~0.offset|))) (not (= |~#a~0.offset| (select .cse1 |~#global~0.offset|))) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 .cse2) |~#b~0.base|)) (not (= (select |#valid| |~#a~0.base|) 1)))) [2020-09-04 22:06:45,909 INFO L264 CegarLoopResult]: At program point L25(line 25) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse3 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (let ((.cse2 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))) (and (= .cse2 |main_#t~mem3|) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) .cse2))) (not (= (select .cse0 .cse3) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse3))))) [2020-09-04 22:06:45,909 INFO L264 CegarLoopResult]: At program point mainEXIT(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,909 INFO L264 CegarLoopResult]: At program point L25-1(lines 25 27) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))) (let ((.cse3 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))) (and (= |main_#t~mem4| |main_#t~mem3|) (= .cse3 |main_#t~mem3|) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) .cse3))))) [2020-09-04 22:06:45,910 INFO L264 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (let ((.cse3 (select |#memory_$Pointer$.offset| main_~pd~0.base)) (.cse4 (select |#memory_$Pointer$.base| main_~pd~0.base))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= (select .cse3 4) |~#b~0.offset|) (= |#memory_int| |old(#memory_int)|) (= (select .cse3 main_~pd~0.offset) |~#a~0.offset|) (= main_~pd~0.offset 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |~#a~0.base| (select .cse4 main_~pd~0.offset)) (= |~#b~0.base| (select .cse4 4)))) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,910 INFO L264 CegarLoopResult]: At program point L25-2(line 25) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#a~0.base| (select .cse0 |~#global~0.offset|))) (not (= |~#a~0.offset| (select .cse1 |~#global~0.offset|))) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 .cse2) |~#b~0.base|)) (not (= (select |#valid| |~#a~0.base|) 1)))) [2020-09-04 22:06:45,910 INFO L264 CegarLoopResult]: At program point L23-1(line 23) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,911 INFO L264 CegarLoopResult]: At program point L25-3(line 25) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse0 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= |~#a~0.base| (select .cse0 |~#global~0.offset|))) (not (= |~#a~0.offset| (select .cse1 |~#global~0.offset|))) (not (= (select .cse1 .cse2) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (= |~#a~0.base| |~#b~0.base|) (not (= (select .cse0 .cse2) |~#b~0.base|)) (not (= (select |#valid| |~#a~0.base|) 1)))) [2020-09-04 22:06:45,911 INFO L264 CegarLoopResult]: At program point L25-4(line 25) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))) (let ((.cse3 (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|))) (and (= |main_#t~mem4| |main_#t~mem3|) (= .cse3 |main_#t~mem3|) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) .cse3))))) [2020-09-04 22:06:45,911 INFO L264 CegarLoopResult]: At program point L25-5(line 25) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,913 INFO L264 CegarLoopResult]: At program point mainFINAL(lines 19 33) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,913 INFO L264 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) (= assign2_~pb.offset 4)) (= |assign2_#in~pa.base| assign2_~pa.base)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,913 INFO L264 CegarLoopResult]: At program point L16-1(line 16) the Hoare annotation is: (let ((.cse2 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse3 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (let ((.cse0 (= assign2_~pb.offset 4))) (let ((.cse1 (not .cse0))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) .cse0) (= |assign2_#in~pa.base| assign2_~pa.base) (or (= |assign2_#t~mem1.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) .cse1) (or (= |assign2_#t~mem1.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) .cse1)))) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse3 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse2 .cse4) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse3 .cse4))))) [2020-09-04 22:06:45,913 INFO L264 CegarLoopResult]: At program point L14(lines 14 17) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= assign2_~pa.offset |assign2_#in~pa.offset|) (= |assign2_#in~pa.base| assign2_~pa.base)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,914 INFO L264 CegarLoopResult]: At program point L16-2(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (let ((.cse4 (= assign2_~pb.offset 4))) (let ((.cse3 (not (= 4 |assign2_#in~pb.offset|))) (.cse5 (not .cse4))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (or .cse3 (= (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.offset|)) (= |assign2_#in~pb.base| assign2_~pb.base) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= assign2_~pa.offset |assign2_#in~pa.offset|) (or (= assign2_~pb.offset |assign2_#in~pb.offset|) .cse4) (= |assign2_#in~pa.base| assign2_~pa.base) (or (= |assign2_#t~mem1.base| (select (select |#memory_$Pointer$.base| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) .cse5) (or .cse3 (= (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4) |assign2_#t~mem2.base|)) (or (= |assign2_#t~mem1.offset| (select (select |#memory_$Pointer$.offset| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) .cse5)))) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,914 INFO L264 CegarLoopResult]: At program point L16-3(line 16) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (let ((.cse5 (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse6 (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4)) (.cse4 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse3 (not (= 4 |assign2_#in~pb.offset|))) (.cse7 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4))) (and (or .cse3 (and (= |assign2_#t~mem1.base| .cse4) (= |assign2_#t~mem1.offset| .cse5) (= .cse6 |assign2_#t~mem2.offset|))) (or .cse3 (= (select (select |#memory_int| .cse4) .cse5) (select (select |#memory_int| .cse7) .cse6)) (= .cse7 .cse4)) (or .cse3 (= .cse7 |assign2_#t~mem2.base|)))) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,914 INFO L264 CegarLoopResult]: At program point assign2FINAL(lines 14 17) the Hoare annotation is: (let ((.cse3 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (.cse2 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= 4 |assign2_#in~pb.offset|)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| .cse2) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |#memory_int| .cse3) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4))) (= .cse3 .cse2) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse4) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse4))))) [2020-09-04 22:06:45,914 INFO L264 CegarLoopResult]: At program point assign2ENTRY(lines 14 17) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,915 INFO L264 CegarLoopResult]: At program point L16-4(line 16) the Hoare annotation is: (let ((.cse3 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (.cse2 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= 4 |assign2_#in~pb.offset|)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| .cse2) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |#memory_int| .cse3) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4))) (= .cse3 .cse2) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse4) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse4))))) [2020-09-04 22:06:45,915 INFO L264 CegarLoopResult]: At program point assign2EXIT(lines 14 17) the Hoare annotation is: (let ((.cse3 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pb.base|) 4)) (.cse2 (select (select |old(#memory_$Pointer$.base)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse4 (+ |~#global~0.offset| 4))) (or (not (= 4 |assign2_#in~pb.offset|)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (= (select (select |#memory_int| .cse2) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pa.base|) |assign2_#in~pa.offset|)) (select (select |#memory_int| .cse3) (select (select |old(#memory_$Pointer$.offset)| |assign2_#in~pb.base|) 4))) (= .cse3 .cse2) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse4) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse4))))) [2020-09-04 22:06:45,915 INFO L264 CegarLoopResult]: At program point assignEXIT(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pb.base |assign_#in~pb.base|) (or (= |assign_#in~pa.base| |assign_#in~pb.base|) (= (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_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,915 INFO L264 CegarLoopResult]: At program point assignENTRY(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,916 INFO L264 CegarLoopResult]: At program point assignFINAL(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (and (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pb.base |assign_#in~pb.base|) (or (= |assign_#in~pa.base| |assign_#in~pb.base|) (= (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_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|)) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,916 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= assign_~pa.base |assign_#in~pa.base|) (= assign_~pb.base |assign_#in~pb.base|) (= |#memory_int| |old(#memory_int)|) (= assign_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,916 INFO L264 CegarLoopResult]: At program point L11-1(line 11) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (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_~pb.base |assign_#in~pb.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)|)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))))) [2020-09-04 22:06:45,916 INFO L264 CegarLoopResult]: At program point L9(lines 9 12) the Hoare annotation is: (let ((.cse0 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse1 (select |old(#memory_$Pointer$.base)| |~#global~0.base|)) (.cse2 (+ |~#global~0.offset| 4))) (or (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse0 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse0 .cse2) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse1 .cse2))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= assign_~pa.base |assign_#in~pa.base|) (= |#memory_int| |old(#memory_int)|) (= assign_~pa.offset |assign_#in~pa.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)))) [2020-09-04 22:06:45,917 INFO L264 CegarLoopResult]: At program point L11-2(line 11) the Hoare annotation is: (let ((.cse1 (select |old(#memory_$Pointer$.offset)| |~#global~0.base|)) (.cse2 (select |old(#memory_$Pointer$.base)| |~#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_~pb.base |assign_#in~pb.base|) (or .cse0 (= (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_~pa.offset |assign_#in~pa.offset|) (= assign_~pb.offset |assign_#in~pb.offset|))) (not (= (select |#valid| |~#a~0.base|) 1)) (not (= (select .cse1 |~#global~0.offset|) |~#a~0.offset|)) (not (= (select .cse2 |~#global~0.offset|) |~#a~0.base|)) (not (= |~#global~0.offset| 0)) (not (= (select .cse1 .cse3) |~#b~0.offset|)) (= |~#b~0.base| |~#a~0.base|) (not (= |~#b~0.base| (select .cse2 .cse3))))) [2020-09-04 22:06:45,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,940 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,941 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:45,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:45,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:45,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:45,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:45,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:45,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 10:06:45 BoogieIcfgContainer [2020-09-04 22:06:45,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 22:06:45,962 INFO L168 Benchmark]: Toolchain (without parser) took 8259.00 ms. Allocated memory was 140.0 MB in the beginning and 301.5 MB in the end (delta: 161.5 MB). Free memory was 103.1 MB in the beginning and 256.7 MB in the end (delta: -153.6 MB). Peak memory consumption was 165.4 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:45,963 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-09-04 22:06:45,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.77 ms. Allocated memory is still 140.0 MB. Free memory was 102.7 MB in the beginning and 92.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:45,965 INFO L168 Benchmark]: Boogie Preprocessor took 139.16 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 92.7 MB in the beginning and 182.0 MB in the end (delta: -89.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:45,966 INFO L168 Benchmark]: RCFGBuilder took 429.90 ms. Allocated memory is still 204.5 MB. Free memory was 182.0 MB in the beginning and 163.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:45,967 INFO L168 Benchmark]: TraceAbstraction took 7376.61 ms. Allocated memory was 204.5 MB in the beginning and 301.5 MB in the end (delta: 97.0 MB). Free memory was 163.5 MB in the beginning and 256.7 MB in the end (delta: -93.2 MB). Peak memory consumption was 161.3 MB. Max. memory is 7.1 GB. [2020-09-04 22:06:45,971 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 307.77 ms. Allocated memory is still 140.0 MB. Free memory was 102.7 MB in the beginning and 92.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.16 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 92.7 MB in the beginning and 182.0 MB in the end (delta: -89.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 429.90 ms. Allocated memory is still 204.5 MB. Free memory was 182.0 MB in the beginning and 163.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7376.61 ms. Allocated memory was 204.5 MB in the beginning and 301.5 MB in the end (delta: 97.0 MB). Free memory was 163.5 MB in the beginning and 256.7 MB in the end (delta: -93.2 MB). Peak memory consumption was 161.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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 * 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_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_$Pointer$ - 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_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_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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * 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 [2020-09-04 22:06:45,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,986 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,987 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,988 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,989 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,989 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((!(a == \old(#memory_$Pointer$)[global][global]) || !(a == \old(#memory_$Pointer$)[global][global])) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || !(global == 0)) || a == b) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || !(\valid[a] == 1) - ProcedureContractResult [Line: 19]: Procedure Contract for main [2020-09-04 22:06:45,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,991 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:45,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:45,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,994 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,995 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:45,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:45,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:45,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived contract for procedure main: ((((((!(\valid[a] == 1) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(\old(#memory_$Pointer$)[global][global] == a)) || unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[b][b]) || !(global == 0)) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || b == a) || !(b == \old(#memory_$Pointer$)[global][global + 4]) - ProcedureContractResult [Line: 14]: Procedure Contract for assign2 [2020-09-04 22:06:45,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:45,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:45,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:46,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:46,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:46,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:46,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:46,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:46,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:46,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:46,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:46,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:46,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:46,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:46,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:46,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:46,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:46,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived contract for procedure assign2: ((((((((!(4 == pb) || !(\valid[a] == 1)) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(\old(#memory_$Pointer$)[global][global] == a)) || unknown-#memory_int-unknown[\old(#memory_$Pointer$)[pa][pa]][\old(#memory_$Pointer$)[pa][pa]] == unknown-#memory_int-unknown[\old(#memory_$Pointer$)[pb][4]][\old(#memory_$Pointer$)[pb][4]]) || \old(#memory_$Pointer$)[pb][4] == \old(#memory_$Pointer$)[pa][pa]) || !(global == 0)) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || b == a) || !(b == \old(#memory_$Pointer$)[global][global + 4]) - ProcedureContractResult [Line: 9]: Procedure Contract for assign [2020-09-04 22:06:46,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:46,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:46,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:46,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:46,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:46,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:46,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:46,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:46,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-04 22:06:46,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-04 22:06:46,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:46,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-04 22:06:46,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-04 22:06:46,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived contract for procedure assign: ((((((((((pa == pa && pb == pb) && (pa == pb || unknown-#memory_int-unknown[pa][pa] == unknown-#memory_int-unknown[pb][pb])) && pa == pa) && pb == pb) || !(\valid[a] == 1)) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(\old(#memory_$Pointer$)[global][global] == a)) || !(global == 0)) || !(\old(#memory_$Pointer$)[global][global + 4] == b)) || b == a) || !(b == \old(#memory_$Pointer$)[global][global + 4]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 SDtfs, 128 SDslu, 34 SDs, 0 SdLazy, 486 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 2.6s 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, 2584 HoareAnnotationTreeSize, 47 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 47 FomulaSimplificationsInter, 1565 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 25974 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...