./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/heavy_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/heavy_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63303d7ef35f153a8bd897bdcb496a54fed422c9 .................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/heavy_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63303d7ef35f153a8bd897bdcb496a54fed422c9 ............................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:43:09,279 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:43:09,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:43:09,287 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:43:09,287 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:43:09,288 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:43:09,288 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:43:09,289 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:43:09,290 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:43:09,291 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:43:09,292 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:43:09,292 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:43:09,292 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:43:09,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:43:09,294 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:43:09,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:43:09,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:43:09,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:43:09,297 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:43:09,298 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:43:09,299 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:43:09,300 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:43:09,301 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:43:09,301 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:43:09,302 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:43:09,302 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:43:09,303 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:43:09,303 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:43:09,304 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:43:09,305 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:43:09,305 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:43:09,305 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:43:09,305 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:43:09,306 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:43:09,306 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:43:09,307 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:43:09,307 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:43:09,314 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:43:09,315 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:43:09,315 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:43:09,315 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:43:09,315 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:43:09,316 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:43:09,316 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:43:09,316 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:43:09,316 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:43:09,316 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:43:09,316 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:43:09,316 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:43:09,316 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:43:09,317 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:43:09,317 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:43:09,317 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:43:09,317 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:43:09,318 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:43:09,318 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:43:09,318 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:43:09,318 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:43:09,318 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:43:09,318 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:43:09,318 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:43:09,318 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:43:09,319 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:43:09,319 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:43:09,319 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:43:09,319 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:43:09,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:43:09,319 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:43:09,319 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:43:09,320 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:43:09,320 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:43:09,320 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:43:09,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:43:09,320 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:43:09,320 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan 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 -> Taipan 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 -> 63303d7ef35f153a8bd897bdcb496a54fed422c9 [2018-11-18 11:43:09,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:43:09,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:43:09,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:43:09,355 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:43:09,356 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:43:09,356 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/../../sv-benchmarks/c/loops/heavy_true-unreach-call.c [2018-11-18 11:43:09,397 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/data/38e160166/2f303d41122e40ac90dbadd7b6686d4a/FLAG5ed0c6b36 [2018-11-18 11:43:09,705 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:43:09,705 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/sv-benchmarks/c/loops/heavy_true-unreach-call.c [2018-11-18 11:43:09,710 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/data/38e160166/2f303d41122e40ac90dbadd7b6686d4a/FLAG5ed0c6b36 [2018-11-18 11:43:09,719 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/data/38e160166/2f303d41122e40ac90dbadd7b6686d4a [2018-11-18 11:43:09,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:43:09,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:43:09,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:43:09,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:43:09,725 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:43:09,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468c2198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09, skipping insertion in model container [2018-11-18 11:43:09,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:43:09,745 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:43:09,849 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:43:09,871 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:43:09,882 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:43:09,909 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:43:09,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09 WrapperNode [2018-11-18 11:43:09,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:43:09,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:43:09,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:43:09,910 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:43:09,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:43:09,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:43:09,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:43:09,926 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:43:09,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09" (1/1) ... [2018-11-18 11:43:09,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:43:09,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:43:09,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:43:09,978 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:43:09,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/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 [2018-11-18 11:43:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:43:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:43:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:43:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:43:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:43:10,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:43:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:43:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:43:10,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:43:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 11:43:10,131 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:43:10,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:10 BoogieIcfgContainer [2018-11-18 11:43:10,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:43:10,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:43:10,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:43:10,134 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:43:10,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:43:09" (1/3) ... [2018-11-18 11:43:10,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d109830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:43:10, skipping insertion in model container [2018-11-18 11:43:10,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:09" (2/3) ... [2018-11-18 11:43:10,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d109830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:43:10, skipping insertion in model container [2018-11-18 11:43:10,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:10" (3/3) ... [2018-11-18 11:43:10,136 INFO L112 eAbstractionObserver]: Analyzing ICFG heavy_true-unreach-call.c [2018-11-18 11:43:10,144 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:43:10,150 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:43:10,163 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:43:10,181 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:43:10,181 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:43:10,181 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:43:10,182 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:43:10,182 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:43:10,182 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:43:10,182 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:43:10,182 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:43:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-18 11:43:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 11:43:10,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:43:10,195 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:43:10,197 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:43:10,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:10,200 INFO L82 PathProgramCache]: Analyzing trace with hash -795757055, now seen corresponding path program 1 times [2018-11-18 11:43:10,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:43:10,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:10,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:10,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:10,238 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:43:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:43:10,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:43:10,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:43:10,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:43:10,284 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:43:10,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:43:10,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:43:10,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:43:10,295 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-11-18 11:43:10,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:43:10,305 INFO L93 Difference]: Finished difference Result 38 states and 50 transitions. [2018-11-18 11:43:10,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:43:10,306 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-11-18 11:43:10,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:43:10,314 INFO L225 Difference]: With dead ends: 38 [2018-11-18 11:43:10,314 INFO L226 Difference]: Without dead ends: 18 [2018-11-18 11:43:10,316 INFO L604 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 [2018-11-18 11:43:10,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-18 11:43:10,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-18 11:43:10,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 11:43:10,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2018-11-18 11:43:10,340 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 9 [2018-11-18 11:43:10,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:43:10,340 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2018-11-18 11:43:10,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:43:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-18 11:43:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 11:43:10,340 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:43:10,340 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:43:10,341 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:43:10,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:10,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1100257748, now seen corresponding path program 1 times [2018-11-18 11:43:10,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:43:10,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:10,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:10,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:10,342 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:43:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:43:10,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:43:10,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:43:10,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:43:10,390 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:43:10,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:43:10,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:43:10,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:43:10,391 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 3 states. [2018-11-18 11:43:10,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:43:10,416 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2018-11-18 11:43:10,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:43:10,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-18 11:43:10,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:43:10,418 INFO L225 Difference]: With dead ends: 30 [2018-11-18 11:43:10,418 INFO L226 Difference]: Without dead ends: 27 [2018-11-18 11:43:10,419 INFO L604 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 [2018-11-18 11:43:10,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-18 11:43:10,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 20. [2018-11-18 11:43:10,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-18 11:43:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-11-18 11:43:10,425 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 10 [2018-11-18 11:43:10,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:43:10,425 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-11-18 11:43:10,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:43:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-18 11:43:10,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 11:43:10,426 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:43:10,426 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:43:10,426 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:43:10,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:10,427 INFO L82 PathProgramCache]: Analyzing trace with hash -2045733446, now seen corresponding path program 1 times [2018-11-18 11:43:10,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:43:10,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:10,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:10,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:43:10,428 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:43:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:43:10,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:43:10,492 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:43:10,492 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:43:10,493 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 16 with the following transitions: [2018-11-18 11:43:10,494 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [12], [14], [18], [21], [42], [48], [51], [54], [55], [56] [2018-11-18 11:43:10,516 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:43:10,516 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:43:10,575 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.handleInfeasibleCase(BaseRefinementStrategy.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:206) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:288) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.AssumptionBuilder.constructBoogieAssumeStatement(AssumptionBuilder.java:75) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.getCachedCodeBlock(TermConjunctEvaluator.java:273) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:296) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computeFixpoint(TermConjunctEvaluator.java:198) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$1(TermConjunctEvaluator.java:150) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:536) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:217) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.constructInterpolantGenerator(BaseTaipanRefinementStrategy.java:379) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getInterpolantGenerator(BaseTaipanRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:380) ... 20 more [2018-11-18 11:43:10,578 INFO L168 Benchmark]: Toolchain (without parser) took 856.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -113.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:43:10,580 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:43:10,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.26 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 914.5 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:43:10,581 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.03 ms. Allocated memory is still 1.0 GB. Free memory is still 914.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:43:10,581 INFO L168 Benchmark]: Boogie Preprocessor took 51.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 914.5 MB in the beginning and 1.1 GB in the end (delta: -216.6 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:43:10,582 INFO L168 Benchmark]: RCFGBuilder took 154.26 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:43:10,582 INFO L168 Benchmark]: TraceAbstraction took 445.44 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:43:10,585 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.26 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 914.5 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.03 ms. Allocated memory is still 1.0 GB. Free memory is still 914.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 914.5 MB in the beginning and 1.1 GB in the end (delta: -216.6 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 154.26 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 445.44 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.extractInterpolants(BaseRefinementStrategy.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 11:43:11,986 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:43:11,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:43:11,995 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:43:11,995 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:43:11,995 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:43:11,996 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:43:11,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:43:11,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:43:11,999 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:43:11,999 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:43:12,000 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:43:12,001 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:43:12,001 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:43:12,002 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:43:12,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:43:12,003 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:43:12,004 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:43:12,006 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:43:12,007 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:43:12,008 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:43:12,009 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:43:12,011 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:43:12,011 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:43:12,011 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:43:12,012 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:43:12,012 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:43:12,013 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:43:12,014 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:43:12,015 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:43:12,015 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:43:12,015 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:43:12,015 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:43:12,015 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:43:12,016 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:43:12,016 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:43:12,017 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 11:43:12,028 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:43:12,028 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:43:12,028 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:43:12,029 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:43:12,029 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:43:12,029 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:43:12,029 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:43:12,029 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:43:12,029 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:43:12,029 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:43:12,030 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:43:12,030 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:43:12,030 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:43:12,030 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:43:12,030 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:43:12,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:43:12,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:43:12,031 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 11:43:12,031 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 11:43:12,031 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:43:12,031 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:43:12,031 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:43:12,031 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:43:12,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:43:12,031 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:43:12,032 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:43:12,032 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:43:12,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:43:12,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:43:12,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:43:12,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:43:12,032 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 11:43:12,032 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:43:12,032 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 11:43:12,032 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 11:43:12,034 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan 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 -> Taipan 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 -> 63303d7ef35f153a8bd897bdcb496a54fed422c9 [2018-11-18 11:43:12,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:43:12,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:43:12,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:43:12,072 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:43:12,073 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:43:12,073 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/../../sv-benchmarks/c/loops/heavy_true-unreach-call.c [2018-11-18 11:43:12,107 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/data/e3eb2c9c4/083bc066a6304d7a89a98bc27e7983fa/FLAG74d7bf3d7 [2018-11-18 11:43:12,404 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:43:12,405 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/sv-benchmarks/c/loops/heavy_true-unreach-call.c [2018-11-18 11:43:12,408 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/data/e3eb2c9c4/083bc066a6304d7a89a98bc27e7983fa/FLAG74d7bf3d7 [2018-11-18 11:43:12,416 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/data/e3eb2c9c4/083bc066a6304d7a89a98bc27e7983fa [2018-11-18 11:43:12,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:43:12,419 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:43:12,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:43:12,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:43:12,423 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:43:12,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:43:12" (1/1) ... [2018-11-18 11:43:12,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cb878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12, skipping insertion in model container [2018-11-18 11:43:12,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:43:12" (1/1) ... [2018-11-18 11:43:12,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:43:12,448 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:43:12,566 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:43:12,590 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:43:12,600 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:43:12,637 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:43:12,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12 WrapperNode [2018-11-18 11:43:12,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:43:12,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:43:12,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:43:12,638 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:43:12,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12" (1/1) ... [2018-11-18 11:43:12,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12" (1/1) ... [2018-11-18 11:43:12,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:43:12,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:43:12,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:43:12,651 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:43:12,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12" (1/1) ... [2018-11-18 11:43:12,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12" (1/1) ... [2018-11-18 11:43:12,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12" (1/1) ... [2018-11-18 11:43:12,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12" (1/1) ... [2018-11-18 11:43:12,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12" (1/1) ... [2018-11-18 11:43:12,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12" (1/1) ... [2018-11-18 11:43:12,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12" (1/1) ... [2018-11-18 11:43:12,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:43:12,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:43:12,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:43:12,671 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:43:12,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/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 [2018-11-18 11:43:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:43:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:43:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:43:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-18 11:43:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:43:12,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:43:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:43:12,738 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:43:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2018-11-18 11:43:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-18 11:43:12,871 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:43:12,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:12 BoogieIcfgContainer [2018-11-18 11:43:12,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:43:12,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:43:12,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:43:12,874 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:43:12,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:43:12" (1/3) ... [2018-11-18 11:43:12,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@849a194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:43:12, skipping insertion in model container [2018-11-18 11:43:12,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:43:12" (2/3) ... [2018-11-18 11:43:12,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@849a194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:43:12, skipping insertion in model container [2018-11-18 11:43:12,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:12" (3/3) ... [2018-11-18 11:43:12,879 INFO L112 eAbstractionObserver]: Analyzing ICFG heavy_true-unreach-call.c [2018-11-18 11:43:12,886 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:43:12,892 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:43:12,900 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:43:12,917 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:43:12,917 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:43:12,918 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:43:12,918 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:43:12,918 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:43:12,918 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:43:12,918 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:43:12,918 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:43:12,918 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:43:12,928 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-18 11:43:12,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 11:43:12,932 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:43:12,933 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:43:12,934 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:43:12,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:12,938 INFO L82 PathProgramCache]: Analyzing trace with hash -795757055, now seen corresponding path program 1 times [2018-11-18 11:43:12,940 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 11:43:12,940 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 11:43:12,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:43:12,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:43:12,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:43:12,998 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:43:13,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:43:13,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:43:13,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:43:13,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:43:13,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:43:13,011 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-11-18 11:43:13,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:43:13,022 INFO L93 Difference]: Finished difference Result 38 states and 50 transitions. [2018-11-18 11:43:13,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:43:13,023 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-11-18 11:43:13,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:43:13,028 INFO L225 Difference]: With dead ends: 38 [2018-11-18 11:43:13,028 INFO L226 Difference]: Without dead ends: 18 [2018-11-18 11:43:13,030 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:43:13,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-11-18 11:43:13,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-11-18 11:43:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 11:43:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2018-11-18 11:43:13,057 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 9 [2018-11-18 11:43:13,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:43:13,057 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2018-11-18 11:43:13,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:43:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-18 11:43:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 11:43:13,058 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:43:13,058 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:43:13,058 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:43:13,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:43:13,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1100257748, now seen corresponding path program 1 times [2018-11-18 11:43:13,059 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-18 11:43:13,059 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-11-18 11:43:13,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:43:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:43:13,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:43:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:43:13,114 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 11:43:13,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:43:13,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:43:13,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:43:13,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:43:13,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:43:13,117 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 3 states. [2018-11-18 11:43:13,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:43:13,121 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2018-11-18 11:43:13,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:43:13,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-18 11:43:13,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:43:13,121 INFO L225 Difference]: With dead ends: 18 [2018-11-18 11:43:13,122 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:43:13,122 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:43:13,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:43:13,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:43:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:43:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:43:13,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-18 11:43:13,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:43:13,123 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:43:13,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:43:13,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:43:13,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:43:13,127 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:43:13,186 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:43:13,186 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:43:13,186 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:43:13,186 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:43:13,186 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 11:43:13,187 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:43:13,187 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:43:13,187 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 5 21) no Hoare annotation was computed. [2018-11-18 11:43:13,187 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2018-11-18 11:43:13,187 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 5 21) no Hoare annotation was computed. [2018-11-18 11:43:13,187 INFO L425 ceAbstractionStarter]: For program point L11-1(lines 11 13) no Hoare annotation was computed. [2018-11-18 11:43:13,187 INFO L425 ceAbstractionStarter]: For program point L11-3(lines 11 13) no Hoare annotation was computed. [2018-11-18 11:43:13,187 INFO L421 ceAbstractionStarter]: At program point L11-4(lines 11 13) the Hoare annotation is: (= (bvadd main_~a~0 (_ bv4294967295 32)) (_ bv0 32)) [2018-11-18 11:43:13,188 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 5 21) the Hoare annotation is: true [2018-11-18 11:43:13,188 INFO L421 ceAbstractionStarter]: At program point L16(lines 6 21) the Hoare annotation is: false [2018-11-18 11:43:13,188 INFO L425 ceAbstractionStarter]: For program point L12-1(lines 12 13) no Hoare annotation was computed. [2018-11-18 11:43:13,188 INFO L425 ceAbstractionStarter]: For program point L10-1(lines 10 13) no Hoare annotation was computed. [2018-11-18 11:43:13,188 INFO L425 ceAbstractionStarter]: For program point L12-3(lines 12 13) no Hoare annotation was computed. [2018-11-18 11:43:13,188 INFO L421 ceAbstractionStarter]: At program point L12-4(lines 12 13) the Hoare annotation is: (= (bvadd main_~a~0 (_ bv4294967295 32)) (_ bv0 32)) [2018-11-18 11:43:13,188 INFO L425 ceAbstractionStarter]: For program point L10-3(lines 10 13) no Hoare annotation was computed. [2018-11-18 11:43:13,188 INFO L421 ceAbstractionStarter]: At program point L10-4(lines 10 13) the Hoare annotation is: (= (bvadd main_~a~0 (_ bv4294967295 32)) (_ bv0 32)) [2018-11-18 11:43:13,189 INFO L425 ceAbstractionStarter]: For program point L10-5(lines 6 21) no Hoare annotation was computed. [2018-11-18 11:43:13,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:43:13 BoogieIcfgContainer [2018-11-18 11:43:13,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:43:13,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:43:13,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:43:13,198 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:43:13,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:43:12" (3/4) ... [2018-11-18 11:43:13,202 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:43:13,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:43:13,206 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:43:13,209 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-18 11:43:13,209 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 11:43:13,209 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:43:13,209 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 11:43:13,236 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6cbf7915-c8a8-4850-bde8-2c4c37fc61d5/bin-2019/utaipan/witness.graphml [2018-11-18 11:43:13,236 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:43:13,237 INFO L168 Benchmark]: Toolchain (without parser) took 818.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -87.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:43:13,237 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:43:13,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.62 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 901.4 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:43:13,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.70 ms. Allocated memory is still 1.0 GB. Free memory is still 901.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:43:13,238 INFO L168 Benchmark]: Boogie Preprocessor took 19.48 ms. Allocated memory is still 1.0 GB. Free memory is still 901.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:43:13,238 INFO L168 Benchmark]: RCFGBuilder took 200.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 901.4 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:43:13,239 INFO L168 Benchmark]: TraceAbstraction took 325.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:43:13,239 INFO L168 Benchmark]: Witness Printer took 38.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:43:13,241 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 217.62 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 901.4 MB in the end (delta: 49.4 MB). Peak memory consumption was 49.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.70 ms. Allocated memory is still 1.0 GB. Free memory is still 901.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.48 ms. Allocated memory is still 1.0 GB. Free memory is still 901.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 200.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 901.4 MB in the beginning and 1.1 GB in the end (delta: -188.9 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 325.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * Witness Printer took 38.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: 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: 10]: Loop Invariant Derived loop invariant: ~bvadd64(a, 4294967295bv32) == 0bv32 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: ~bvadd64(a, 4294967295bv32) == 0bv32 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ~bvadd64(a, 4294967295bv32) == 0bv32 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 1 error locations. SAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 42 SDtfs, 10 SDslu, 5 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 11 NumberOfFragments, 20 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 253 SizeOfPredicates, 1 NumberOfNonLiveVariables, 81 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...