/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test10.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:56:43,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:56:43,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:56:43,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-23 21:56:43,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-23 21:56:43,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-23 21:56:43,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-23 21:56:43,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-23 21:56:43,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-23 21:56:43,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-23 21:56:43,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-23 21:56:43,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-23 21:56:43,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 21:56:43,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 21:56:43,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 21:56:43,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 21:56:43,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 21:56:43,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 21:56:43,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 21:56:43,395 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 21:56:43,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 21:56:43,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 21:56:43,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 21:56:43,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 21:56:43,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-23 21:56:43,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-23 21:56:43,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-23 21:56:43,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-23 21:56:43,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-23 21:56:43,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-23 21:56:43,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-23 21:56:43,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-23 21:56:43,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-23 21:56:43,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-23 21:56:43,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-23 21:56:43,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-23 21:56:43,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-23 21:56:43,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-23 21:56:43,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-23 21:56:43,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-23 21:56:43,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-23 21:56:43,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-23 21:56:43,424 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:56:43,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:56:43,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:56:43,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:56:43,426 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:56:43,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:56:43,427 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:56:43,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:56:43,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:56:43,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:56:43,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:56:43,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:56:43,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:56:43,428 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:56:43,428 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:56:43,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:56:43,428 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:56:43,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:56:43,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:56:43,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:56:43,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:56:43,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:56:43,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:56:43,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:56:43,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:56:43,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:56:43,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:56:43,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:56:43,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:56:43,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:56:43,698 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:56:43,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:56:43,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:56:43,718 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:56:43,718 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:56:43,719 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test10.c [2019-11-23 21:56:43,796 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c1c73a1d/10aeb67127f34100b04adfa309b0c5ec/FLAGf366f6701 [2019-11-23 21:56:44,235 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:56:44,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test10.c [2019-11-23 21:56:44,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c1c73a1d/10aeb67127f34100b04adfa309b0c5ec/FLAGf366f6701 [2019-11-23 21:56:44,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c1c73a1d/10aeb67127f34100b04adfa309b0c5ec [2019-11-23 21:56:44,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:56:44,609 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:56:44,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:56:44,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:56:44,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:56:44,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:56:44" (1/1) ... [2019-11-23 21:56:44,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7628aad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44, skipping insertion in model container [2019-11-23 21:56:44,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:56:44" (1/1) ... [2019-11-23 21:56:44,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:56:44,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:56:44,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:56:44,935 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:56:44,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:56:44,980 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:56:44,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44 WrapperNode [2019-11-23 21:56:44,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:56:44,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:56:44,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:56:44,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:56:44,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44" (1/1) ... [2019-11-23 21:56:45,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44" (1/1) ... [2019-11-23 21:56:45,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:56:45,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:56:45,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:56:45,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:56:45,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44" (1/1) ... [2019-11-23 21:56:45,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44" (1/1) ... [2019-11-23 21:56:45,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44" (1/1) ... [2019-11-23 21:56:45,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44" (1/1) ... [2019-11-23 21:56:45,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44" (1/1) ... [2019-11-23 21:56:45,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44" (1/1) ... [2019-11-23 21:56:45,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44" (1/1) ... [2019-11-23 21:56:45,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:56:45,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:56:45,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:56:45,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:56:45,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:56:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-23 21:56:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-23 21:56:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-23 21:56:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-23 21:56:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-23 21:56:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 21:56:45,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:56:45,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:56:45,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-23 21:56:45,633 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:56:45,634 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-23 21:56:45,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:56:45 BoogieIcfgContainer [2019-11-23 21:56:45,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:56:45,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:56:45,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:56:45,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:56:45,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:56:44" (1/3) ... [2019-11-23 21:56:45,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f5362d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:56:45, skipping insertion in model container [2019-11-23 21:56:45,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:44" (2/3) ... [2019-11-23 21:56:45,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f5362d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:56:45, skipping insertion in model container [2019-11-23 21:56:45,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:56:45" (3/3) ... [2019-11-23 21:56:45,643 INFO L109 eAbstractionObserver]: Analyzing ICFG test10.c [2019-11-23 21:56:45,656 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:56:45,664 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:56:45,674 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:56:45,697 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:56:45,697 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:56:45,697 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:56:45,697 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:56:45,697 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:56:45,697 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:56:45,698 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:56:45,698 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:56:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-23 21:56:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-23 21:56:45,716 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:56:45,717 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-23 21:56:45,718 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:56:45,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:56:45,723 INFO L82 PathProgramCache]: Analyzing trace with hash 889477034, now seen corresponding path program 1 times [2019-11-23 21:56:45,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:56:45,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288985225] [2019-11-23 21:56:45,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:56:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:56:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:56:46,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288985225] [2019-11-23 21:56:46,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:56:46,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-23 21:56:46,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65199323] [2019-11-23 21:56:46,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 21:56:46,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:56:46,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 21:56:46,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:56:46,267 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 5 states. [2019-11-23 21:56:46,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:56:46,467 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2019-11-23 21:56:46,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 21:56:46,469 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2019-11-23 21:56:46,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:56:46,479 INFO L225 Difference]: With dead ends: 16 [2019-11-23 21:56:46,479 INFO L226 Difference]: Without dead ends: 7 [2019-11-23 21:56:46,483 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:56:46,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-11-23 21:56:46,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-23 21:56:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-23 21:56:46,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2019-11-23 21:56:46,519 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2019-11-23 21:56:46,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:56:46,520 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2019-11-23 21:56:46,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 21:56:46,520 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-11-23 21:56:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-23 21:56:46,521 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:56:46,521 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-23 21:56:46,521 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:56:46,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:56:46,522 INFO L82 PathProgramCache]: Analyzing trace with hash 889478956, now seen corresponding path program 1 times [2019-11-23 21:56:46,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:56:46,523 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558078366] [2019-11-23 21:56:46,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:56:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:56:46,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:56:46,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558078366] [2019-11-23 21:56:46,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:56:46,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 21:56:46,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770438793] [2019-11-23 21:56:46,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-23 21:56:46,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:56:46,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-23 21:56:46,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-23 21:56:46,678 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand 6 states. [2019-11-23 21:56:46,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:56:46,917 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2019-11-23 21:56:46,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 21:56:46,917 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2019-11-23 21:56:46,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:56:46,918 INFO L225 Difference]: With dead ends: 7 [2019-11-23 21:56:46,918 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:56:46,920 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-23 21:56:46,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:56:46,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:56:46,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:56:46,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:56:46,922 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-11-23 21:56:46,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:56:46,922 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:56:46,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-23 21:56:46,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:56:46,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:56:46,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:56:46,999 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:56:46,999 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:56:47,000 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:56:47,000 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:56:47,000 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 47) no Hoare annotation was computed. [2019-11-23 21:56:47,001 INFO L440 ceAbstractionStarter]: At program point L48(lines 16 49) the Hoare annotation is: (and (not (= |~#p2~0.base| |~#a~0.base|)) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= ~pp2~0.base |~#p1~0.base|) (not (= |~#b~0.base| ~pp2~0.base)) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| ~pp2~0.base) |~#p1~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (not (= |~#p1~0.base| |~#a~0.base|))) [2019-11-23 21:56:47,001 INFO L440 ceAbstractionStarter]: At program point L13(lines 9 14) the Hoare annotation is: (and (not (= |~#p2~0.base| |~#a~0.base|)) (not (= |~#b~0.base| |~#p2~0.base|)) (not (= |~#b~0.base| |~#a~0.base|)) (= ~pp2~0.base |~#p1~0.base|) (not (= |~#b~0.base| ~pp2~0.base)) (= |~#b~0.offset| (select (select |#memory_$Pointer$.offset| ~pp2~0.base) |~#p1~0.offset|)) (= |~#b~0.base| (select (select |#memory_$Pointer$.base| |~#p1~0.base|) |~#p1~0.offset|)) (= |~#p1~0.offset| ~pp2~0.offset) (not (= |~#p1~0.base| |~#a~0.base|))) [2019-11-23 21:56:47,001 INFO L440 ceAbstractionStarter]: At program point L42(lines 16 49) the Hoare annotation is: false [2019-11-23 21:56:47,001 INFO L444 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2019-11-23 21:56:47,001 INFO L444 ceAbstractionStarter]: For program point L41-2(lines 41 43) no Hoare annotation was computed. [2019-11-23 21:56:47,014 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-23 21:56:47,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-23 21:56:47,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-23 21:56:47,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-23 21:56:47,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-23 21:56:47,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-23 21:56:47,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,031 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-23 21:56:47,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-23 21:56:47,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:56:47 BoogieIcfgContainer [2019-11-23 21:56:47,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:56:47,048 INFO L168 Benchmark]: Toolchain (without parser) took 2437.08 ms. Allocated memory was 141.6 MB in the beginning and 234.4 MB in the end (delta: 92.8 MB). Free memory was 102.9 MB in the beginning and 176.5 MB in the end (delta: -73.7 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-11-23 21:56:47,050 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 141.6 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-23 21:56:47,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.37 ms. Allocated memory is still 141.6 MB. Free memory was 102.6 MB in the beginning and 92.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:56:47,053 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.24 ms. Allocated memory was 141.6 MB in the beginning and 201.9 MB in the end (delta: 60.3 MB). Free memory was 92.4 MB in the beginning and 180.9 MB in the end (delta: -88.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:56:47,055 INFO L168 Benchmark]: Boogie Preprocessor took 24.77 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 179.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-23 21:56:47,056 INFO L168 Benchmark]: RCFGBuilder took 493.74 ms. Allocated memory is still 201.9 MB. Free memory was 179.2 MB in the beginning and 159.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-11-23 21:56:47,060 INFO L168 Benchmark]: TraceAbstraction took 1407.82 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 158.5 MB in the beginning and 176.5 MB in the end (delta: -18.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-11-23 21:56:47,068 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 141.6 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 371.37 ms. Allocated memory is still 141.6 MB. Free memory was 102.6 MB in the beginning and 92.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 134.24 ms. Allocated memory was 141.6 MB in the beginning and 201.9 MB in the end (delta: 60.3 MB). Free memory was 92.4 MB in the beginning and 180.9 MB in the end (delta: -88.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.77 ms. Allocated memory is still 201.9 MB. Free memory was 180.9 MB in the beginning and 179.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 493.74 ms. Allocated memory is still 201.9 MB. Free memory was 179.2 MB in the beginning and 159.1 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1407.82 ms. Allocated memory was 201.9 MB in the beginning and 234.4 MB in the end (delta: 32.5 MB). Free memory was 158.5 MB in the beginning and 176.5 MB in the end (delta: -18.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: 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: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant [2019-11-23 21:56:47,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-23 21:56:47,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-23 21:56:47,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-23 21:56:47,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-23 21:56:47,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((!(p2 == a) && !(b == p2)) && !(b == a)) && pp2 == p1) && !(b == pp2)) && b == #memory_$Pointer$[pp2][p1]) && b == #memory_$Pointer$[p1][p1]) && !(p1 == a) - InvariantResult [Line: 9]: Loop Invariant [2019-11-23 21:56:47,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-23 21:56:47,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-23 21:56:47,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-11-23 21:56:47,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-11-23 21:56:47,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-11-23 21:56:47,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((!(p2 == a) && !(b == p2)) && !(b == a)) && pp2 == p1) && !(b == pp2)) && b == #memory_$Pointer$[pp2][p1]) && b == #memory_$Pointer$[p1][p1]) && p1 == pp2) && !(p1 == a) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 14 SDslu, 5 SDs, 0 SdLazy, 16 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 4 NumberOfFragments, 80 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 475 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...