./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-sets/test_add-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-sets/test_add-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5341d071aa6667cc028bb6475d7fda061f87ccfc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 22:09:18,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:09:18,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:09:18,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:09:18,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:09:18,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:09:18,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:09:18,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:09:18,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:09:18,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:09:18,412 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:09:18,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:09:18,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:09:18,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:09:18,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:09:18,426 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:09:18,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:09:18,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:09:18,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:09:18,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:09:18,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:09:18,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:09:18,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:09:18,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:09:18,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:09:18,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:09:18,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:09:18,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:09:18,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:09:18,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:09:18,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:09:18,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:09:18,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:09:18,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:09:18,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:09:18,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:09:18,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:09:18,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:09:18,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:09:18,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:09:18,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:09:18,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:09:18,546 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:09:18,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:09:18,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:09:18,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:09:18,552 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:09:18,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:09:18,552 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:09:18,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:09:18,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:09:18,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:09:18,555 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:09:18,555 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:09:18,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:09:18,556 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:09:18,556 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:09:18,556 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:09:18,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:09:18,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:09:18,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:09:18,557 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:09:18,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:09:18,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:09:18,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:09:18,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:09:18,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:09:18,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:09:18,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:09:18,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:09:18,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:09:18,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5341d071aa6667cc028bb6475d7fda061f87ccfc [2020-10-25 22:09:18,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:09:19,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:09:19,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:09:19,053 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:09:19,055 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:09:19,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-sets/test_add-2.i [2020-10-25 22:09:19,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a3c3d88/7069b14e73fd402f9c1c96a8a797578d/FLAG9dc1f49d5 [2020-10-25 22:09:19,888 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:09:19,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-sets/test_add-2.i [2020-10-25 22:09:19,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a3c3d88/7069b14e73fd402f9c1c96a8a797578d/FLAG9dc1f49d5 [2020-10-25 22:09:20,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a3c3d88/7069b14e73fd402f9c1c96a8a797578d [2020-10-25 22:09:20,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:09:20,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:09:20,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:09:20,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:09:20,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:09:20,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:09:20" (1/1) ... [2020-10-25 22:09:20,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f188ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20, skipping insertion in model container [2020-10-25 22:09:20,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:09:20" (1/1) ... [2020-10-25 22:09:20,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:09:20,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:09:20,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:09:20,604 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:09:20,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:09:20,827 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:09:20,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20 WrapperNode [2020-10-25 22:09:20,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:09:20,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:09:20,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:09:20,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:09:20,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20" (1/1) ... [2020-10-25 22:09:20,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20" (1/1) ... [2020-10-25 22:09:20,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:09:20,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:09:20,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:09:20,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:09:20,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20" (1/1) ... [2020-10-25 22:09:20,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20" (1/1) ... [2020-10-25 22:09:20,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20" (1/1) ... [2020-10-25 22:09:20,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20" (1/1) ... [2020-10-25 22:09:20,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20" (1/1) ... [2020-10-25 22:09:20,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20" (1/1) ... [2020-10-25 22:09:20,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20" (1/1) ... [2020-10-25 22:09:20,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:09:20,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:09:20,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:09:20,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:09:20,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:09:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 22:09:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 22:09:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-25 22:09:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-25 22:09:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 22:09:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-25 22:09:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-25 22:09:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 22:09:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:09:21,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:09:21,689 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:09:21,689 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-25 22:09:21,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:09:21 BoogieIcfgContainer [2020-10-25 22:09:21,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:09:21,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:09:21,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:09:21,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:09:21,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:09:20" (1/3) ... [2020-10-25 22:09:21,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e08f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:09:21, skipping insertion in model container [2020-10-25 22:09:21,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:09:20" (2/3) ... [2020-10-25 22:09:21,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e08f30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:09:21, skipping insertion in model container [2020-10-25 22:09:21,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:09:21" (3/3) ... [2020-10-25 22:09:21,704 INFO L111 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2020-10-25 22:09:21,718 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:09:21,725 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 22:09:21,742 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 22:09:21,773 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:09:21,774 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:09:21,774 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:09:21,775 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:09:21,775 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:09:21,775 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:09:21,775 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:09:21,776 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:09:21,792 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-10-25 22:09:21,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 22:09:21,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:09:21,801 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:09:21,801 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:09:21,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:09:21,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1732431771, now seen corresponding path program 1 times [2020-10-25 22:09:21,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:09:21,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187445643] [2020-10-25 22:09:21,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:09:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:09:22,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:09:22,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187445643] [2020-10-25 22:09:22,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:09:22,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 22:09:22,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338747499] [2020-10-25 22:09:22,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 22:09:22,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:09:22,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 22:09:22,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:09:22,031 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 2 states. [2020-10-25 22:09:22,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:09:22,052 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2020-10-25 22:09:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 22:09:22,054 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-10-25 22:09:22,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:09:22,064 INFO L225 Difference]: With dead ends: 48 [2020-10-25 22:09:22,064 INFO L226 Difference]: Without dead ends: 22 [2020-10-25 22:09:22,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 22:09:22,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-10-25 22:09:22,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-25 22:09:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-25 22:09:22,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2020-10-25 22:09:22,124 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 13 [2020-10-25 22:09:22,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:09:22,124 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2020-10-25 22:09:22,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 22:09:22,125 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2020-10-25 22:09:22,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 22:09:22,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:09:22,126 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:09:22,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 22:09:22,127 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:09:22,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:09:22,130 INFO L82 PathProgramCache]: Analyzing trace with hash 854163994, now seen corresponding path program 1 times [2020-10-25 22:09:22,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:09:22,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293423577] [2020-10-25 22:09:22,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:09:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:09:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:09:22,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293423577] [2020-10-25 22:09:22,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:09:22,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 22:09:22,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694225753] [2020-10-25 22:09:22,236 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:09:22,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:09:22,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:09:22,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:09:22,239 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand 4 states. [2020-10-25 22:09:22,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:09:22,300 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2020-10-25 22:09:22,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 22:09:22,301 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-25 22:09:22,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:09:22,303 INFO L225 Difference]: With dead ends: 44 [2020-10-25 22:09:22,303 INFO L226 Difference]: Without dead ends: 34 [2020-10-25 22:09:22,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:09:22,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-25 22:09:22,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 24. [2020-10-25 22:09:22,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-25 22:09:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2020-10-25 22:09:22,311 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 13 [2020-10-25 22:09:22,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:09:22,311 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2020-10-25 22:09:22,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:09:22,312 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-10-25 22:09:22,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 22:09:22,312 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:09:22,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:09:22,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 22:09:22,313 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:09:22,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:09:22,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1167630684, now seen corresponding path program 1 times [2020-10-25 22:09:22,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:09:22,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266767728] [2020-10-25 22:09:22,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:09:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:09:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:09:22,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266767728] [2020-10-25 22:09:22,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:09:22,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 22:09:22,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864377389] [2020-10-25 22:09:22,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:09:22,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:09:22,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:09:22,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:09:22,406 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand 4 states. [2020-10-25 22:09:22,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:09:22,510 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2020-10-25 22:09:22,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 22:09:22,512 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-10-25 22:09:22,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:09:22,513 INFO L225 Difference]: With dead ends: 47 [2020-10-25 22:09:22,513 INFO L226 Difference]: Without dead ends: 25 [2020-10-25 22:09:22,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:09:22,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-10-25 22:09:22,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2020-10-25 22:09:22,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-10-25 22:09:22,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2020-10-25 22:09:22,518 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 13 [2020-10-25 22:09:22,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:09:22,519 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2020-10-25 22:09:22,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:09:22,519 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-10-25 22:09:22,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 22:09:22,520 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:09:22,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:09:22,520 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 22:09:22,520 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:09:22,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:09:22,521 INFO L82 PathProgramCache]: Analyzing trace with hash -456502492, now seen corresponding path program 1 times [2020-10-25 22:09:22,521 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:09:22,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920427896] [2020-10-25 22:09:22,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:09:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:09:22,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:09:22,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920427896] [2020-10-25 22:09:22,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:09:22,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-25 22:09:22,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174055866] [2020-10-25 22:09:22,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-25 22:09:22,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:09:22,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-25 22:09:22,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-25 22:09:22,864 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2020-10-25 22:09:23,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:09:23,037 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-10-25 22:09:23,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 22:09:23,038 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2020-10-25 22:09:23,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:09:23,038 INFO L225 Difference]: With dead ends: 34 [2020-10-25 22:09:23,039 INFO L226 Difference]: Without dead ends: 28 [2020-10-25 22:09:23,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-25 22:09:23,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-10-25 22:09:23,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2020-10-25 22:09:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-25 22:09:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-10-25 22:09:23,046 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 17 [2020-10-25 22:09:23,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:09:23,046 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-25 22:09:23,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-25 22:09:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-10-25 22:09:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-25 22:09:23,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:09:23,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 22:09:23,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 22:09:23,048 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:09:23,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:09:23,049 INFO L82 PathProgramCache]: Analyzing trace with hash -406632358, now seen corresponding path program 1 times [2020-10-25 22:09:23,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:09:23,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998618796] [2020-10-25 22:09:23,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:09:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:09:23,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:09:23,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998618796] [2020-10-25 22:09:23,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:09:23,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 22:09:23,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647897139] [2020-10-25 22:09:23,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 22:09:23,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:09:23,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 22:09:23,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 22:09:23,208 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 4 states. [2020-10-25 22:09:23,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:09:23,241 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2020-10-25 22:09:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 22:09:23,242 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-10-25 22:09:23,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:09:23,243 INFO L225 Difference]: With dead ends: 26 [2020-10-25 22:09:23,243 INFO L226 Difference]: Without dead ends: 21 [2020-10-25 22:09:23,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 22:09:23,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-25 22:09:23,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-25 22:09:23,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-25 22:09:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-10-25 22:09:23,250 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 17 [2020-10-25 22:09:23,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:09:23,251 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-10-25 22:09:23,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 22:09:23,251 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-10-25 22:09:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-25 22:09:23,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 22:09:23,252 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] [2020-10-25 22:09:23,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 22:09:23,262 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 22:09:23,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 22:09:23,263 INFO L82 PathProgramCache]: Analyzing trace with hash -245998926, now seen corresponding path program 1 times [2020-10-25 22:09:23,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 22:09:23,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775163426] [2020-10-25 22:09:23,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 22:09:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 22:09:23,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 22:09:23,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775163426] [2020-10-25 22:09:23,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 22:09:23,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-25 22:09:23,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121338081] [2020-10-25 22:09:23,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-25 22:09:23,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 22:09:23,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-25 22:09:23,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-25 22:09:23,713 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2020-10-25 22:09:24,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 22:09:24,044 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2020-10-25 22:09:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-25 22:09:24,044 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2020-10-25 22:09:24,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 22:09:24,044 INFO L225 Difference]: With dead ends: 22 [2020-10-25 22:09:24,045 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 22:09:24,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2020-10-25 22:09:24,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 22:09:24,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 22:09:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 22:09:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 22:09:24,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2020-10-25 22:09:24,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 22:09:24,050 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 22:09:24,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-25 22:09:24,050 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 22:09:24,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:09:24,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 22:09:24,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 22:09:24,295 INFO L274 CegarLoopResult]: For program point L667(line 667) no Hoare annotation was computed. [2020-10-25 22:09:24,296 INFO L274 CegarLoopResult]: For program point L663(lines 663 668) no Hoare annotation was computed. [2020-10-25 22:09:24,296 INFO L274 CegarLoopResult]: For program point L564(lines 564 566) no Hoare annotation was computed. [2020-10-25 22:09:24,296 INFO L274 CegarLoopResult]: For program point L589(lines 589 597) no Hoare annotation was computed. [2020-10-25 22:09:24,296 INFO L277 CegarLoopResult]: At program point L672(lines 669 673) the Hoare annotation is: true [2020-10-25 22:09:24,296 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:09:24,296 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:09:24,296 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:09:24,297 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 562) no Hoare annotation was computed. [2020-10-25 22:09:24,297 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-25 22:09:24,297 INFO L274 CegarLoopResult]: For program point L652-2(lines 652 656) no Hoare annotation was computed. [2020-10-25 22:09:24,297 INFO L270 CegarLoopResult]: At program point L652-3(lines 652 656) the Hoare annotation is: (and (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base) (= (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4) ULTIMATE.start_ldv_is_in_set_~s.offset) (= (select |#valid| |~#s1~0.base|) 1) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= |~#s1~0.offset| 0) (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) [2020-10-25 22:09:24,297 INFO L274 CegarLoopResult]: For program point L652-4(lines 652 656) no Hoare annotation was computed. [2020-10-25 22:09:24,297 INFO L274 CegarLoopResult]: For program point L652-7(lines 652 656) no Hoare annotation was computed. [2020-10-25 22:09:24,298 INFO L270 CegarLoopResult]: At program point L652-8(lines 652 656) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (.cse1 (+ |~#s1~0.offset| 4)) (.cse0 (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) (and (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (not (= |~#s1~0.base| |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (not (= |~#s1~0.base| .cse0)) (<= .cse1 .cse2) (<= .cse2 .cse1) (= (select |#valid| |~#s1~0.base|) 1) (= (select (select |#memory_int| ULTIMATE.start_ldv_is_in_set_~m~1.base) ULTIMATE.start_ldv_is_in_set_~m~1.offset) ULTIMATE.start_ldv_is_in_set_~e) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (not (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base)) (= |~#s1~0.offset| 0) (= (select (select |#memory_int| .cse0) |~#s1~0.offset|) ULTIMATE.start_foo_~j~0))) [2020-10-25 22:09:24,298 INFO L274 CegarLoopResult]: For program point L652-9(lines 652 656) no Hoare annotation was computed. [2020-10-25 22:09:24,298 INFO L270 CegarLoopResult]: At program point L578(lines 575 579) the Hoare annotation is: (and (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= |~#s1~0.offset| 0) (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base) (= ULTIMATE.start_ldv_successful_malloc_~ptr~0.offset 0) (= |ULTIMATE.start_ldv_successful_malloc_#res.offset| 0) (= (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4) ULTIMATE.start_ldv_is_in_set_~s.offset) (= (select |#valid| |~#s1~0.base|) 1) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base)) (not (= ULTIMATE.start_ldv_set_add_~s.base |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) [2020-10-25 22:09:24,298 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:09:24,298 INFO L274 CegarLoopResult]: For program point L632(lines 632 639) no Hoare annotation was computed. [2020-10-25 22:09:24,299 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-25 22:09:24,299 INFO L270 CegarLoopResult]: At program point L657(lines 650 658) the Hoare annotation is: (and (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_is_in_set_~m~1.base ULTIMATE.start_ldv_is_in_set_~s.base) (= (+ ULTIMATE.start_ldv_is_in_set_~m~1.offset 4) ULTIMATE.start_ldv_is_in_set_~s.offset) (= (select |#valid| |~#s1~0.base|) 1) (= |ULTIMATE.start_ldv_is_in_set_#res| 0) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= ULTIMATE.start_ldv_set_add_~new ULTIMATE.start_foo_~j~0) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (= |~#s1~0.offset| 0) (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) [2020-10-25 22:09:24,299 INFO L270 CegarLoopResult]: At program point L657-1(lines 650 658) the Hoare annotation is: (and (= |~#s1~0.offset| ULTIMATE.start_ldv_set_add_~s.offset) (= |ULTIMATE.start_ldv_is_in_set_#res| 1) (not (= |~#s1~0.base| |ULTIMATE.start_ldv_successful_malloc_#res.base|)) (not (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) (= (select |#valid| |~#s1~0.base|) 1) (= |~#s1~0.base| ULTIMATE.start_ldv_set_add_~s.base) (not (= |~#s1~0.base| ULTIMATE.start_ldv_successful_malloc_~ptr~0.base))) [2020-10-25 22:09:24,299 INFO L274 CegarLoopResult]: For program point L562-2(line 562) no Hoare annotation was computed. [2020-10-25 22:09:24,299 INFO L274 CegarLoopResult]: For program point L562-3(line 562) no Hoare annotation was computed. [2020-10-25 22:09:24,299 INFO L274 CegarLoopResult]: For program point L653(lines 653 655) no Hoare annotation was computed. [2020-10-25 22:09:24,300 INFO L274 CegarLoopResult]: For program point L653-1(lines 653 655) no Hoare annotation was computed. [2020-10-25 22:09:24,300 INFO L274 CegarLoopResult]: For program point L633(lines 633 638) no Hoare annotation was computed. [2020-10-25 22:09:24,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,314 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,314 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,317 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,317 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,317 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,318 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:09:24,318 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:09:24,318 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,321 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,322 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:09:24,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:09:24,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-25 22:09:24,328 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,331 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-25 22:09:24,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-25 22:09:24,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-25 22:09:24,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-25 22:09:24,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-25 22:09:24,353 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,354 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:09:24 BoogieIcfgContainer [2020-10-25 22:09:24,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:09:24,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:09:24,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:09:24,363 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:09:24,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:09:21" (3/4) ... [2020-10-25 22:09:24,371 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:09:24,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-10-25 22:09:24,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-25 22:09:24,385 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:09:24,385 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 22:09:24,416 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((s1 == s && s1 == #memory_$Pointer$[s1][s1]) && m == s) && m + 4 == s) && \valid[s1] == 1) && \result == 0) && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && unknown-#StackHeapBarrier-unknown + 1 <= s1 [2020-10-25 22:09:24,417 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((s1 == s && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && s1 + 4 <= #memory_$Pointer$[s1][s1]) && #memory_$Pointer$[s1][s1] <= s1 + 4) && \valid[s1] == 1) && unknown-#memory_int-unknown[m][m] == e) && s1 == s) && !(s1 == ptr)) && !(m == s)) && s1 == 0) && unknown-#memory_int-unknown[#memory_$Pointer$[s1][s1]][s1] == j [2020-10-25 22:09:24,417 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((s1 == #memory_$Pointer$[s1][s1] && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && s1 == s) && m == s) && ptr == 0) && \result == 0) && m + 4 == s) && \valid[s1] == 1) && !(s1 == ptr)) && !(s == \result)) && unknown-#StackHeapBarrier-unknown + 1 <= s1 [2020-10-25 22:09:24,417 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((s1 == s && \result == 1) && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && \valid[s1] == 1) && s1 == s) && !(s1 == ptr) [2020-10-25 22:09:24,461 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:09:24,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:09:24,464 INFO L168 Benchmark]: Toolchain (without parser) took 4363.48 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 23.8 MB in the beginning and 51.6 MB in the end (delta: -27.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-10-25 22:09:24,465 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory was 19.5 MB in the beginning and 19.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:09:24,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.06 ms. Allocated memory is still 48.2 MB. Free memory was 23.2 MB in the beginning and 19.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-10-25 22:09:24,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.98 ms. Allocated memory is still 48.2 MB. Free memory was 18.9 MB in the beginning and 29.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:09:24,467 INFO L168 Benchmark]: Boogie Preprocessor took 48.54 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 28.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:09:24,467 INFO L168 Benchmark]: RCFGBuilder took 747.91 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.2 MB in the beginning and 39.5 MB in the end (delta: -11.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-10-25 22:09:24,468 INFO L168 Benchmark]: TraceAbstraction took 2664.09 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 38.9 MB in the beginning and 28.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-10-25 22:09:24,469 INFO L168 Benchmark]: Witness Printer took 99.38 ms. Allocated memory is still 71.3 MB. Free memory was 28.3 MB in the beginning and 51.6 MB in the end (delta: -23.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:09:24,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory was 19.5 MB in the beginning and 19.4 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 717.06 ms. Allocated memory is still 48.2 MB. Free memory was 23.2 MB in the beginning and 19.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.98 ms. Allocated memory is still 48.2 MB. Free memory was 18.9 MB in the beginning and 29.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.54 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 28.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 747.91 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 28.2 MB in the beginning and 39.5 MB in the end (delta: -11.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2664.09 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 38.9 MB in the beginning and 28.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * Witness Printer took 99.38 ms. Allocated memory is still 71.3 MB. Free memory was 28.3 MB in the beginning and 51.6 MB in the end (delta: -23.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * 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_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_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 #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - 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: 562]: 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: 652]: Loop Invariant [2020-10-25 22:09:24,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,482 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,483 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,483 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:09:24,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:09:24,484 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:09:24,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-25 22:09:24,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((((s1 == s && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && s1 + 4 <= #memory_$Pointer$[s1][s1]) && #memory_$Pointer$[s1][s1] <= s1 + 4) && \valid[s1] == 1) && unknown-#memory_int-unknown[m][m] == e) && s1 == s) && !(s1 == ptr)) && !(m == s)) && s1 == 0) && unknown-#memory_int-unknown[#memory_$Pointer$[s1][s1]][s1] == j - InvariantResult [Line: 652]: Loop Invariant [2020-10-25 22:09:24,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,488 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-25 22:09:24,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,489 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,490 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((((((s1 == s && s1 == #memory_$Pointer$[s1][s1]) && m == s) && m + 4 == s) && \valid[s1] == 1) && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && unknown-#StackHeapBarrier-unknown + 1 <= s1 - InvariantResult [Line: 575]: Loop Invariant [2020-10-25 22:09:24,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,491 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-25 22:09:24,492 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,492 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: ((((((((((((s1 == #memory_$Pointer$[s1][s1] && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && s1 == s) && m == s) && ptr == 0) && \result == 0) && m + 4 == s) && \valid[s1] == 1) && !(s1 == ptr)) && !(s == \result)) && unknown-#StackHeapBarrier-unknown + 1 <= s1 - InvariantResult [Line: 650]: Loop Invariant [2020-10-25 22:09:24,494 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,494 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,494 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-10-25 22:09:24,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-25 22:09:24,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: (((((((((s1 == s && s1 == #memory_$Pointer$[s1][s1]) && m == s) && m + 4 == s) && \valid[s1] == 1) && \result == 0) && s1 == #memory_$Pointer$[s1][s1]) && new == j) && s1 == s) && s1 == 0) && unknown-#StackHeapBarrier-unknown + 1 <= s1 - InvariantResult [Line: 650]: Loop Invariant [2020-10-25 22:09:24,496 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-25 22:09:24,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-25 22:09:24,497 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((s1 == s && \result == 1) && !(s1 == \result)) && !(s1 == #memory_$Pointer$[s1][s1])) && \valid[s1] == 1) && s1 == s) && !(s1 == ptr) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 112 SDtfs, 157 SDslu, 136 SDs, 0 SdLazy, 95 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 6 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 255 HoareAnnotationTreeSize, 6 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 4 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 8160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1/1 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...