./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c -s /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2227825b094336cea9cd81768b48348a309a725b .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:16,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:16,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:16,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:16,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:16,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:16,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:16,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:16,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:16,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:16,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:16,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:16,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:16,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:16,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:16,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:16,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:16,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:16,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:16,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:16,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:16,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:16,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:16,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:16,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:16,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:16,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:16,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:16,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:16,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:16,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:16,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:16,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:16,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:16,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:16,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:16,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:16,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:16,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:16,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:16,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:16,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-10-22 08:57:16,141 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:16,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:16,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:16,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:16,142 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:16,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:16,143 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:57:16,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:16,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:16,143 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:57:16,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:57:16,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:57:16,144 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 08:57:16,144 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:16,144 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:16,144 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:57:16,144 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:16,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:16,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:57:16,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:57:16,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:57:16,145 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:16,145 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:57:16,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:57:16,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:16,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:57:16,146 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:57:16,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2227825b094336cea9cd81768b48348a309a725b [2019-10-22 08:57:16,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:16,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:16,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:16,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:16,183 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:16,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c [2019-10-22 08:57:16,228 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/data/58be74b86/ee705388e8c7438285a8b80d02909c10/FLAG7cb52d26f [2019-10-22 08:57:16,600 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:16,601 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate.c [2019-10-22 08:57:16,605 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/data/58be74b86/ee705388e8c7438285a8b80d02909c10/FLAG7cb52d26f [2019-10-22 08:57:17,016 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/data/58be74b86/ee705388e8c7438285a8b80d02909c10 [2019-10-22 08:57:17,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:17,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:17,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:17,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:17,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:17,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d53c513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17, skipping insertion in model container [2019-10-22 08:57:17,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,039 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:17,053 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:17,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:17,174 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:17,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:17,252 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:17,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17 WrapperNode [2019-10-22 08:57:17,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:17,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:17,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:17,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:17,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:17,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:17,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:17,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:17,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... [2019-10-22 08:57:17,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:17,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:17,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:17,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:17,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/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 [2019-10-22 08:57:17,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:17,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:17,486 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:17,486 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 08:57:17,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:17 BoogieIcfgContainer [2019-10-22 08:57:17,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:17,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:57:17,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:57:17,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:57:17,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:57:17" (1/3) ... [2019-10-22 08:57:17,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea3b344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:17, skipping insertion in model container [2019-10-22 08:57:17,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:17" (2/3) ... [2019-10-22 08:57:17,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea3b344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:57:17, skipping insertion in model container [2019-10-22 08:57:17,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:17" (3/3) ... [2019-10-22 08:57:17,495 INFO L109 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-terminate.c [2019-10-22 08:57:17,503 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:57:17,509 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-22 08:57:17,520 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-22 08:57:17,540 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:57:17,540 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:57:17,541 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:57:17,541 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:17,541 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:17,541 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:57:17,541 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:17,541 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:57:17,554 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-10-22 08:57:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 08:57:17,560 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:17,561 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 08:57:17,562 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:57:17,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:17,569 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-10-22 08:57:17,577 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:17,577 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718100708] [2019-10-22 08:57:17,577 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:17,577 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:17,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:17,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:17,703 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718100708] [2019-10-22 08:57:17,703 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:17,704 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:17,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891809345] [2019-10-22 08:57:17,709 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:17,709 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:17,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:17,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:17,723 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2019-10-22 08:57:17,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:17,749 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-10-22 08:57:17,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:17,750 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-10-22 08:57:17,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:17,758 INFO L225 Difference]: With dead ends: 23 [2019-10-22 08:57:17,758 INFO L226 Difference]: Without dead ends: 10 [2019-10-22 08:57:17,761 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:17,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-10-22 08:57:17,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2019-10-22 08:57:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-10-22 08:57:17,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-10-22 08:57:17,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 3 [2019-10-22 08:57:17,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:17,789 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-10-22 08:57:17,789 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-10-22 08:57:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 08:57:17,790 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:17,790 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-10-22 08:57:17,791 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:57:17,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:17,791 INFO L82 PathProgramCache]: Analyzing trace with hash 963307, now seen corresponding path program 1 times [2019-10-22 08:57:17,792 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:17,792 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073143506] [2019-10-22 08:57:17,792 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:17,792 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:17,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:17,824 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073143506] [2019-10-22 08:57:17,824 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:17,824 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:57:17,824 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504742838] [2019-10-22 08:57:17,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:57:17,826 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:17,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:57:17,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:17,826 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-10-22 08:57:17,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:17,849 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2019-10-22 08:57:17,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:57:17,849 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-10-22 08:57:17,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:17,850 INFO L225 Difference]: With dead ends: 18 [2019-10-22 08:57:17,850 INFO L226 Difference]: Without dead ends: 17 [2019-10-22 08:57:17,851 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:57:17,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-10-22 08:57:17,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2019-10-22 08:57:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-10-22 08:57:17,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-10-22 08:57:17,854 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 4 [2019-10-22 08:57:17,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:17,854 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2019-10-22 08:57:17,854 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:57:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-10-22 08:57:17,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 08:57:17,855 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:17,855 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-10-22 08:57:17,855 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:57:17,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:17,856 INFO L82 PathProgramCache]: Analyzing trace with hash 29862563, now seen corresponding path program 1 times [2019-10-22 08:57:17,856 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:17,856 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727933845] [2019-10-22 08:57:17,856 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:17,856 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:17,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:17,877 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727933845] [2019-10-22 08:57:17,877 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:17,878 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-10-22 08:57:17,878 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398858690] [2019-10-22 08:57:17,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:57:17,878 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:17,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:17,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:17,879 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 3 states. [2019-10-22 08:57:17,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:17,888 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2019-10-22 08:57:17,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:17,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-10-22 08:57:17,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:57:17,890 INFO L225 Difference]: With dead ends: 12 [2019-10-22 08:57:17,890 INFO L226 Difference]: Without dead ends: 11 [2019-10-22 08:57:17,890 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:17,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-10-22 08:57:17,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-10-22 08:57:17,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-10-22 08:57:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-10-22 08:57:17,892 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 5 [2019-10-22 08:57:17,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:57:17,893 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-10-22 08:57:17,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:57:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-10-22 08:57:17,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 08:57:17,893 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:57:17,893 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:57:17,894 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 08:57:17,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:17,894 INFO L82 PathProgramCache]: Analyzing trace with hash 925739501, now seen corresponding path program 1 times [2019-10-22 08:57:17,894 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:17,894 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697870549] [2019-10-22 08:57:17,895 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:17,895 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:17,895 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:17,932 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:17,933 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 08:57:17,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:57:17 BoogieIcfgContainer [2019-10-22 08:57:17,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:57:17,948 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:17,948 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:17,948 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:17,949 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:17" (3/4) ... [2019-10-22 08:57:17,951 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 08:57:17,987 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_655f8367-5004-47f3-a9f0-e8660acb6c27/bin/uautomizer/witness.graphml [2019-10-22 08:57:17,987 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:17,989 INFO L168 Benchmark]: Toolchain (without parser) took 965.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:17,990 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:17,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:17,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:17,991 INFO L168 Benchmark]: Boogie Preprocessor took 19.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:17,991 INFO L168 Benchmark]: RCFGBuilder took 186.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:17,992 INFO L168 Benchmark]: TraceAbstraction took 459.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:17,992 INFO L168 Benchmark]: Witness Printer took 39.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:17,995 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 228.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 186.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 459.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 39.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, k, ell; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] k = __VERIFIER_nondet_int() [L18] COND TRUE i <= 100 && j <= k [L19] ell = i [L20] i = j [L21] EXPR ell + 1 [L21] j = ell + 1 [L22] k - 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 26 SDtfs, 19 SDslu, 13 SDs, 0 SdLazy, 20 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 101 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 incorrect! Received shutdown request...