./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s22iff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/s22iff.c -s /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b39b101c563655209f71a34308c9d664d667eb3e ............................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:55:14,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:55:14,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:55:14,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:55:14,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:55:14,207 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:55:14,209 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:55:14,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:55:14,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:55:14,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:55:14,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:55:14,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:55:14,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:55:14,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:55:14,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:55:14,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:55:14,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:55:14,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:55:14,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:55:14,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:55:14,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:55:14,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:55:14,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:55:14,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:55:14,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:55:14,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:55:14,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:55:14,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:55:14,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:55:14,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:55:14,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:55:14,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:55:14,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:55:14,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:55:14,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:55:14,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:55:14,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:55:14,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:55:14,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:55:14,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:55:14,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:55:14,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:55:14,295 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:55:14,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:55:14,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:55:14,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:55:14,298 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:55:14,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:55:14,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:55:14,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:55:14,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:55:14,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:55:14,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:55:14,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:55:14,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:55:14,301 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:55:14,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:55:14,302 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:55:14,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:55:14,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:55:14,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:55:14,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:55:14,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:55:14,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:55:14,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:55:14,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:55:14,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:55:14,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:55:14,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:55:14,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:55:14,311 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/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/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 ! call(__VERIFIER_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 -> b39b101c563655209f71a34308c9d664d667eb3e [2019-11-15 20:55:14,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:55:14,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:55:14,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:55:14,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:55:14,373 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:55:14,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer/../../sv-benchmarks/c/array-fpi/s22iff.c [2019-11-15 20:55:14,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer/data/872bd549d/a1c54cb858b247c5a2117114dd7fcef4/FLAG6009b2577 [2019-11-15 20:55:14,887 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:55:14,888 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/sv-benchmarks/c/array-fpi/s22iff.c [2019-11-15 20:55:14,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer/data/872bd549d/a1c54cb858b247c5a2117114dd7fcef4/FLAG6009b2577 [2019-11-15 20:55:15,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer/data/872bd549d/a1c54cb858b247c5a2117114dd7fcef4 [2019-11-15 20:55:15,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:55:15,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:55:15,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:55:15,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:55:15,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:55:15,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:55:15" (1/1) ... [2019-11-15 20:55:15,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244ebe0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15, skipping insertion in model container [2019-11-15 20:55:15,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:55:15" (1/1) ... [2019-11-15 20:55:15,259 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:55:15,278 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:55:15,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:55:15,667 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:55:15,692 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:55:15,711 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:55:15,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15 WrapperNode [2019-11-15 20:55:15,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:55:15,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:55:15,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:55:15,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:55:15,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15" (1/1) ... [2019-11-15 20:55:15,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15" (1/1) ... [2019-11-15 20:55:15,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:55:15,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:55:15,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:55:15,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:55:15,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15" (1/1) ... [2019-11-15 20:55:15,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15" (1/1) ... [2019-11-15 20:55:15,778 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15" (1/1) ... [2019-11-15 20:55:15,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15" (1/1) ... [2019-11-15 20:55:15,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15" (1/1) ... [2019-11-15 20:55:15,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15" (1/1) ... [2019-11-15 20:55:15,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15" (1/1) ... [2019-11-15 20:55:15,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:55:15,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:55:15,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:55:15,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:55:15,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/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 [2019-11-15 20:55:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:55:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:55:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-15 20:55:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:55:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:55:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 20:55:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:55:16,344 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:55:16,344 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-15 20:55:16,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:55:16 BoogieIcfgContainer [2019-11-15 20:55:16,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:55:16,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:55:16,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:55:16,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:55:16,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:55:15" (1/3) ... [2019-11-15 20:55:16,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a3f95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:55:16, skipping insertion in model container [2019-11-15 20:55:16,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:55:15" (2/3) ... [2019-11-15 20:55:16,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a3f95c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:55:16, skipping insertion in model container [2019-11-15 20:55:16,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:55:16" (3/3) ... [2019-11-15 20:55:16,355 INFO L109 eAbstractionObserver]: Analyzing ICFG s22iff.c [2019-11-15 20:55:16,366 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:55:16,373 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:55:16,383 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:55:16,407 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:55:16,408 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:55:16,408 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:55:16,408 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:55:16,408 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:55:16,408 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:55:16,409 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:55:16,409 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:55:16,424 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-11-15 20:55:16,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 20:55:16,431 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:55:16,432 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:55:16,434 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:55:16,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:55:16,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1306747820, now seen corresponding path program 1 times [2019-11-15 20:55:16,447 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:55:16,447 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107255833] [2019-11-15 20:55:16,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:16,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:16,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:55:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:55:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:55:16,586 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107255833] [2019-11-15 20:55:16,587 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:55:16,588 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 20:55:16,588 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375161065] [2019-11-15 20:55:16,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 20:55:16,593 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:55:16,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 20:55:16,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:55:16,608 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2019-11-15 20:55:16,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:55:16,629 INFO L93 Difference]: Finished difference Result 37 states and 52 transitions. [2019-11-15 20:55:16,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:55:16,631 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-15 20:55:16,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:55:16,639 INFO L225 Difference]: With dead ends: 37 [2019-11-15 20:55:16,639 INFO L226 Difference]: Without dead ends: 17 [2019-11-15 20:55:16,642 INFO L600 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 [2019-11-15 20:55:16,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-15 20:55:16,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-11-15 20:55:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-15 20:55:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2019-11-15 20:55:16,678 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 11 [2019-11-15 20:55:16,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:55:16,679 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2019-11-15 20:55:16,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 20:55:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-11-15 20:55:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 20:55:16,680 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:55:16,681 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:55:16,681 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:55:16,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:55:16,682 INFO L82 PathProgramCache]: Analyzing trace with hash -875427960, now seen corresponding path program 1 times [2019-11-15 20:55:16,682 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:55:16,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775845810] [2019-11-15 20:55:16,683 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:16,683 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:16,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:55:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:55:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:55:16,762 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775845810] [2019-11-15 20:55:16,763 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:55:16,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:55:16,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144654571] [2019-11-15 20:55:16,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 20:55:16,765 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:55:16,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 20:55:16,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 20:55:16,766 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand 3 states. [2019-11-15 20:55:16,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:55:16,841 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2019-11-15 20:55:16,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 20:55:16,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-15 20:55:16,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:55:16,842 INFO L225 Difference]: With dead ends: 31 [2019-11-15 20:55:16,843 INFO L226 Difference]: Without dead ends: 19 [2019-11-15 20:55:16,844 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 20:55:16,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-11-15 20:55:16,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2019-11-15 20:55:16,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-15 20:55:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-11-15 20:55:16,849 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2019-11-15 20:55:16,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:55:16,849 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-11-15 20:55:16,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 20:55:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-11-15 20:55:16,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-15 20:55:16,851 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:55:16,851 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:55:16,851 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:55:16,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:55:16,852 INFO L82 PathProgramCache]: Analyzing trace with hash -100045206, now seen corresponding path program 1 times [2019-11-15 20:55:16,852 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:55:16,853 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880791932] [2019-11-15 20:55:16,853 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:16,853 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:16,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:55:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:55:16,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-15 20:55:16,934 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880791932] [2019-11-15 20:55:16,934 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:55:16,934 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 20:55:16,935 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761265605] [2019-11-15 20:55:16,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:55:16,936 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:55:16,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:55:16,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:55:16,937 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand 4 states. [2019-11-15 20:55:17,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:55:17,029 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2019-11-15 20:55:17,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:55:17,030 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-15 20:55:17,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:55:17,031 INFO L225 Difference]: With dead ends: 33 [2019-11-15 20:55:17,031 INFO L226 Difference]: Without dead ends: 25 [2019-11-15 20:55:17,032 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:55:17,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-15 20:55:17,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2019-11-15 20:55:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-15 20:55:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2019-11-15 20:55:17,037 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 13 [2019-11-15 20:55:17,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:55:17,038 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2019-11-15 20:55:17,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:55:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-11-15 20:55:17,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-15 20:55:17,039 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:55:17,039 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:55:17,040 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:55:17,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:55:17,040 INFO L82 PathProgramCache]: Analyzing trace with hash -682929213, now seen corresponding path program 1 times [2019-11-15 20:55:17,040 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:55:17,041 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065822409] [2019-11-15 20:55:17,041 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:17,041 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:55:17,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:55:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:55:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:55:17,205 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:55:17,206 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 20:55:17,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:55:17 BoogieIcfgContainer [2019-11-15 20:55:17,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:55:17,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:55:17,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:55:17,245 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:55:17,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:55:16" (3/4) ... [2019-11-15 20:55:17,248 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-15 20:55:17,310 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_326c8335-c02b-4a62-bd62-a0f35f35b2af/bin/uautomizer/witness.graphml [2019-11-15 20:55:17,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:55:17,313 INFO L168 Benchmark]: Toolchain (without parser) took 2068.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -122.4 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-11-15 20:55:17,313 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:55:17,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-15 20:55:17,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.90 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. [2019-11-15 20:55:17,315 INFO L168 Benchmark]: Boogie Preprocessor took 35.38 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. [2019-11-15 20:55:17,316 INFO L168 Benchmark]: RCFGBuilder took 548.04 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-15 20:55:17,316 INFO L168 Benchmark]: TraceAbstraction took 897.58 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: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. [2019-11-15 20:55:17,317 INFO L168 Benchmark]: Witness Printer took 65.10 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. [2019-11-15 20:55:17,321 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 468.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -199.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.90 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 35.38 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. * RCFGBuilder took 548.04 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 897.58 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: 48.3 MB). Peak memory consumption was 48.3 MB. Max. memory is 11.5 GB. * Witness Printer took 65.10 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: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; VAL [N=0] [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long sum[1]; [L24] int *a = malloc(sizeof(int)*N); [L26] sum[0] = 1 [L27] i=0 VAL [N=1] [L27] COND TRUE i