./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3b6e96321d82dea19b0b24b62173907aded16288 ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: incompatible size --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 01:52:52,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:52:52,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:52:52,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:52:52,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:52:52,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:52:52,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:52:52,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:52:52,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:52:52,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:52:52,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:52:52,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:52:52,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:52:52,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:52:52,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:52:52,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:52:52,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:52:52,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:52:52,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:52:52,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:52:52,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:52:52,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:52:52,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:52:52,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:52:52,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:52:52,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:52:52,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:52:52,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:52:52,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:52:52,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:52:52,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:52:52,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:52:52,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:52:52,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:52:52,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:52:52,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:52:52,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:52:52,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:52:52,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:52:52,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:52:52,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:52:52,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-11-30 01:52:52,468 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:52:52,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:52:52,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 01:52:52,470 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 01:52:52,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 01:52:52,470 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 01:52:52,470 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 01:52:52,471 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 01:52:52,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 01:52:52,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 01:52:52,472 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 01:52:52,473 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 01:52:52,473 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 01:52:52,473 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 01:52:52,473 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 01:52:52,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:52:52,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:52:52,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:52:52,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:52:52,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 01:52:52,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 01:52:52,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 01:52:52,476 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 01:52:52,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:52:52,476 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:52:52,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 01:52:52,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:52:52,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 01:52:52,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 01:52:52,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 01:52:52,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:52:52,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 01:52:52,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 01:52:52,481 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 01:52:52,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 01:52:52,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 01:52:52,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:52:52,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 01:52:52,482 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b6e96321d82dea19b0b24b62173907aded16288 [2020-11-30 01:52:52,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:52:52,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:52:52,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:52:52,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:52:52,793 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:52:52,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-11-30 01:52:52,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/data/8f7bbcdcc/326bf2faa2984acfbc7ba57b1044f191/FLAG76b356b34 [2020-11-30 01:52:53,529 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:52:53,529 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/sv-benchmarks/c/busybox-1.22.0/hostid.i [2020-11-30 01:52:53,572 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/data/8f7bbcdcc/326bf2faa2984acfbc7ba57b1044f191/FLAG76b356b34 [2020-11-30 01:52:53,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/data/8f7bbcdcc/326bf2faa2984acfbc7ba57b1044f191 [2020-11-30 01:52:53,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:52:53,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:52:53,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:52:53,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:52:53,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:52:53,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:52:53" (1/1) ... [2020-11-30 01:52:53,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aec009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:53, skipping insertion in model container [2020-11-30 01:52:53,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:52:53" (1/1) ... [2020-11-30 01:52:53,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:52:53,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:52:54,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:52:54,664 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:52:54,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:52:55,167 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:52:55,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55 WrapperNode [2020-11-30 01:52:55,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:52:55,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:52:55,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:52:55,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:52:55,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55" (1/1) ... [2020-11-30 01:52:55,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55" (1/1) ... [2020-11-30 01:52:55,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:52:55,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:52:55,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:52:55,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:52:55,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55" (1/1) ... [2020-11-30 01:52:55,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55" (1/1) ... [2020-11-30 01:52:55,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55" (1/1) ... [2020-11-30 01:52:55,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55" (1/1) ... [2020-11-30 01:52:55,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55" (1/1) ... [2020-11-30 01:52:55,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55" (1/1) ... [2020-11-30 01:52:55,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55" (1/1) ... [2020-11-30 01:52:55,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:52:55,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:52:55,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:52:55,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:52:55,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/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 [2020-11-30 01:52:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 01:52:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 01:52:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-11-30 01:52:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-30 01:52:55,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:52:55,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:52:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 01:52:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-30 01:52:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 01:52:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 01:52:56,479 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:52:56,479 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-30 01:52:56,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:52:56 BoogieIcfgContainer [2020-11-30 01:52:56,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:52:56,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 01:52:56,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 01:52:56,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 01:52:56,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 01:52:53" (1/3) ... [2020-11-30 01:52:56,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c3cf51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:52:56, skipping insertion in model container [2020-11-30 01:52:56,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:52:55" (2/3) ... [2020-11-30 01:52:56,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c3cf51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 01:52:56, skipping insertion in model container [2020-11-30 01:52:56,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:52:56" (3/3) ... [2020-11-30 01:52:56,489 INFO L111 eAbstractionObserver]: Analyzing ICFG hostid.i [2020-11-30 01:52:56,500 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 01:52:56,504 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-11-30 01:52:56,516 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-11-30 01:52:56,539 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 01:52:56,539 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 01:52:56,540 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 01:52:56,540 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:52:56,540 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:52:56,540 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 01:52:56,540 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:52:56,540 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 01:52:56,556 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-11-30 01:52:56,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-30 01:52:56,560 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:52:56,561 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-11-30 01:52:56,561 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:52:56,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:52:56,567 INFO L82 PathProgramCache]: Analyzing trace with hash 133901, now seen corresponding path program 1 times [2020-11-30 01:52:56,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:52:56,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704860810] [2020-11-30 01:52:56,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:52:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:52:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:52:56,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704860810] [2020-11-30 01:52:56,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:52:56,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-30 01:52:56,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114448709] [2020-11-30 01:52:56,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:52:56,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:52:56,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:52:56,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:52:56,998 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 3 states. [2020-11-30 01:52:57,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:52:57,085 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2020-11-30 01:52:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:52:57,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-11-30 01:52:57,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:52:57,114 INFO L225 Difference]: With dead ends: 75 [2020-11-30 01:52:57,114 INFO L226 Difference]: Without dead ends: 40 [2020-11-30 01:52:57,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:52:57,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-30 01:52:57,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-30 01:52:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-30 01:52:57,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2020-11-30 01:52:57,159 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 3 [2020-11-30 01:52:57,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:52:57,159 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2020-11-30 01:52:57,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:52:57,160 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2020-11-30 01:52:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:52:57,160 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:52:57,160 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-30 01:52:57,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 01:52:57,161 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:52:57,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:52:57,165 INFO L82 PathProgramCache]: Analyzing trace with hash -305878077, now seen corresponding path program 1 times [2020-11-30 01:52:57,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:52:57,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681834928] [2020-11-30 01:52:57,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:52:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:52:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 01:52:57,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681834928] [2020-11-30 01:52:57,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 01:52:57,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 01:52:57,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10828953] [2020-11-30 01:52:57,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 01:52:57,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 01:52:57,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 01:52:57,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:52:57,285 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 3 states. [2020-11-30 01:52:57,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 01:52:57,310 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2020-11-30 01:52:57,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 01:52:57,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-11-30 01:52:57,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 01:52:57,314 INFO L225 Difference]: With dead ends: 40 [2020-11-30 01:52:57,314 INFO L226 Difference]: Without dead ends: 39 [2020-11-30 01:52:57,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 01:52:57,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-11-30 01:52:57,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-11-30 01:52:57,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-11-30 01:52:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2020-11-30 01:52:57,320 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 6 [2020-11-30 01:52:57,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 01:52:57,321 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2020-11-30 01:52:57,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 01:52:57,321 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2020-11-30 01:52:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-30 01:52:57,321 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 01:52:57,322 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-30 01:52:57,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 01:52:57,322 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-30 01:52:57,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:52:57,329 INFO L82 PathProgramCache]: Analyzing trace with hash -305874498, now seen corresponding path program 1 times [2020-11-30 01:52:57,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 01:52:57,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020016637] [2020-11-30 01:52:57,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:52:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:52:57,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:52:57,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020016637] [2020-11-30 01:52:57,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1779404444] [2020-11-30 01:52:57,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_929fd491-7e70-448f-8559-7dd352734c74/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-30 01:52:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 01:52:57,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-30 01:52:57,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 01:52:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:52:57,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 01:52:57,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 01:52:57,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [343385066] [2020-11-30 01:52:57,706 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2020-11-30 01:52:57,707 INFO L166 IcfgInterpreter]: Building call graph [2020-11-30 01:52:57,711 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-11-30 01:52:57,719 INFO L176 IcfgInterpreter]: Starting interpretation [2020-11-30 01:52:57,720 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-11-30 01:52:58,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-30 01:52:58,288 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: incompatible size at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:210) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.computeCostEstimation(ArrayIndexBasedCostEstimation.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.(ArrayIndexBasedCostEstimation.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.computeCostEstimation(ElimStorePlain.java:568) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:439) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:239) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:153) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:341) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:182) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-30 01:52:58,292 INFO L168 Benchmark]: Toolchain (without parser) took 4576.23 ms. Allocated memory was 90.2 MB in the beginning and 142.6 MB in the end (delta: 52.4 MB). Free memory was 53.8 MB in the beginning and 97.4 MB in the end (delta: -43.7 MB). Peak memory consumption was 49.5 MB. Max. memory is 16.1 GB. [2020-11-30 01:52:58,293 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 90.2 MB. Free memory was 62.6 MB in the beginning and 62.5 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:52:58,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1451.54 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 53.4 MB in the beginning and 38.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 16.1 GB. [2020-11-30 01:52:58,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.13 ms. Allocated memory is still 113.2 MB. Free memory was 38.8 MB in the beginning and 82.8 MB in the end (delta: -44.1 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2020-11-30 01:52:58,295 INFO L168 Benchmark]: Boogie Preprocessor took 76.00 ms. Allocated memory is still 113.2 MB. Free memory was 82.8 MB in the beginning and 80.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:52:58,296 INFO L168 Benchmark]: RCFGBuilder took 1117.77 ms. Allocated memory is still 113.2 MB. Free memory was 80.6 MB in the beginning and 77.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. [2020-11-30 01:52:58,296 INFO L168 Benchmark]: TraceAbstraction took 1807.91 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 76.1 MB in the beginning and 97.4 MB in the end (delta: -21.3 MB). Peak memory consumption was 50.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:52:58,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 90.2 MB. Free memory was 62.6 MB in the beginning and 62.5 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1451.54 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 53.4 MB in the beginning and 38.8 MB in the end (delta: 14.7 MB). Peak memory consumption was 41.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.13 ms. Allocated memory is still 113.2 MB. Free memory was 38.8 MB in the beginning and 82.8 MB in the end (delta: -44.1 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.00 ms. Allocated memory is still 113.2 MB. Free memory was 82.8 MB in the beginning and 80.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1117.77 ms. Allocated memory is still 113.2 MB. Free memory was 80.6 MB in the beginning and 77.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1807.91 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 76.1 MB in the beginning and 97.4 MB in the end (delta: -21.3 MB). Peak memory consumption was 50.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: incompatible size de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: incompatible size: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.ArrayIndexBasedCostEstimation.analyzeCosts(ArrayIndexBasedCostEstimation.java:210) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...