./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b2d2d481756a61ffcbfbc8fedf0729695fc085a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fabs.i -s /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b2d2d481756a61ffcbfbc8fedf0729695fc085a ............................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:42:09,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:09,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:09,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:09,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:09,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:09,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:09,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:09,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:09,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:09,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:09,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:09,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:09,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:09,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:09,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:09,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:09,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:09,373 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:09,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:09,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:09,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:09,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:09,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:09,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:09,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:09,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:09,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:09,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:09,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:09,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:09,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:09,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:09,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:09,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:09,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:09,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:09,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:09,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:09,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:09,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:09,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:42:09,455 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:09,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:09,457 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:09,457 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:09,457 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:09,457 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:09,458 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:42:09,458 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:09,458 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:09,458 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:42:09,459 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:42:09,460 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:09,460 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:42:09,460 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:42:09,461 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:42:09,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:09,462 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:09,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:42:09,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:09,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:09,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:09,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:09,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:09,463 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:09,463 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:09,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:09,464 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:09,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:09,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:09,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:09,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:09,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:09,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:09,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:09,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:09,468 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:42:09,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:42:09,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:09,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:09,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:09,469 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_64ccbc66-fb13-45f7-abd5-153b15cd2013/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b2d2d481756a61ffcbfbc8fedf0729695fc085a [2020-11-28 07:42:09,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:09,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:09,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:09,818 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:09,820 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:09,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2020-11-28 07:42:09,914 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/data/c20cb7f4c/a1b2cbee308f462ea3362a4bcc3cf3e2/FLAG995b98eb5 [2020-11-28 07:42:10,587 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:10,588 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2020-11-28 07:42:10,602 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/data/c20cb7f4c/a1b2cbee308f462ea3362a4bcc3cf3e2/FLAG995b98eb5 [2020-11-28 07:42:10,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/data/c20cb7f4c/a1b2cbee308f462ea3362a4bcc3cf3e2 [2020-11-28 07:42:10,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:10,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:10,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:10,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:10,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:10,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:10" (1/1) ... [2020-11-28 07:42:10,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85f536b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:10, skipping insertion in model container [2020-11-28 07:42:10,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:10" (1/1) ... [2020-11-28 07:42:10,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:10,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:11,529 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1352) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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) [2020-11-28 07:42:11,535 INFO L168 Benchmark]: Toolchain (without parser) took 673.44 ms. Allocated memory is still 107.0 MB. Free memory was 73.2 MB in the beginning and 82.7 MB in the end (delta: -9.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:11,536 INFO L168 Benchmark]: CDTParser took 0.96 ms. Allocated memory is still 69.2 MB. Free memory was 31.6 MB in the beginning and 31.6 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:11,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.51 ms. Allocated memory is still 107.0 MB. Free memory was 73.0 MB in the beginning and 82.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:11,538 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.96 ms. Allocated memory is still 69.2 MB. Free memory was 31.6 MB in the beginning and 31.6 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.51 ms. Allocated memory is still 107.0 MB. Free memory was 73.0 MB in the beginning and 82.7 MB in the end (delta: -9.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:42:13,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:42:13,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:42:14,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:42:14,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:42:14,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:42:14,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:42:14,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:42:14,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:42:14,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:42:14,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:42:14,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:42:14,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:42:14,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:42:14,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:42:14,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:42:14,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:42:14,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:42:14,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:42:14,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:42:14,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:42:14,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:42:14,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:42:14,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:42:14,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:42:14,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:42:14,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:42:14,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:42:14,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:42:14,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:42:14,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:42:14,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:42:14,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:42:14,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:42:14,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:42:14,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:42:14,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:42:14,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:42:14,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:42:14,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:42:14,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:42:14,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:42:14,118 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:42:14,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:42:14,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:42:14,120 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:42:14,121 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:42:14,121 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:42:14,121 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:42:14,121 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:42:14,122 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:42:14,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:42:14,125 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:42:14,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:42:14,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:42:14,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:42:14,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:42:14,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:42:14,126 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:42:14,126 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:42:14,127 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:42:14,127 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:42:14,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:42:14,127 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:42:14,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:42:14,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:42:14,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:42:14,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:42:14,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:42:14,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:42:14,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:42:14,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:42:14,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:42:14,130 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:42:14,130 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:42:14,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:42:14,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:42:14,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:42:14,131 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_64ccbc66-fb13-45f7-abd5-153b15cd2013/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b2d2d481756a61ffcbfbc8fedf0729695fc085a [2020-11-28 07:42:14,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:42:14,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:42:14,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:42:14,584 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:42:14,586 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:42:14,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fabs.i [2020-11-28 07:42:14,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/data/a793f6bfb/feceada41f6d43bfa2354114af769039/FLAGdddaf23a2 [2020-11-28 07:42:15,374 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:42:15,375 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/sv-benchmarks/c/floats-esbmc-regression/fabs.i [2020-11-28 07:42:15,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/data/a793f6bfb/feceada41f6d43bfa2354114af769039/FLAGdddaf23a2 [2020-11-28 07:42:15,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/data/a793f6bfb/feceada41f6d43bfa2354114af769039 [2020-11-28 07:42:15,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:42:15,652 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:42:15,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:15,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:42:15,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:42:15,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:15" (1/1) ... [2020-11-28 07:42:15,661 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c611cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:15, skipping insertion in model container [2020-11-28 07:42:15,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:42:15" (1/1) ... [2020-11-28 07:42:15,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:42:15,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:42:16,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:16,263 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:42:16,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:42:16,640 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:42:16,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16 WrapperNode [2020-11-28 07:42:16,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:42:16,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:16,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:42:16,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:42:16,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16" (1/1) ... [2020-11-28 07:42:16,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16" (1/1) ... [2020-11-28 07:42:16,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:42:16,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:42:16,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:42:16,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:42:16,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16" (1/1) ... [2020-11-28 07:42:16,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16" (1/1) ... [2020-11-28 07:42:16,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16" (1/1) ... [2020-11-28 07:42:16,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16" (1/1) ... [2020-11-28 07:42:16,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16" (1/1) ... [2020-11-28 07:42:16,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16" (1/1) ... [2020-11-28 07:42:16,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16" (1/1) ... [2020-11-28 07:42:16,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:42:16,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:42:16,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:42:16,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:42:16,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/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 [2020-11-28 07:42:16,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:42:16,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:42:16,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:42:16,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:42:17,325 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:42:17,325 INFO L298 CfgBuilder]: Removed 28 assume(true) statements. [2020-11-28 07:42:17,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:17 BoogieIcfgContainer [2020-11-28 07:42:17,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:42:17,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:42:17,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:42:17,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:42:17,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:42:15" (1/3) ... [2020-11-28 07:42:17,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfe6a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:17, skipping insertion in model container [2020-11-28 07:42:17,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:42:16" (2/3) ... [2020-11-28 07:42:17,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cfe6a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:42:17, skipping insertion in model container [2020-11-28 07:42:17,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:17" (3/3) ... [2020-11-28 07:42:17,337 INFO L111 eAbstractionObserver]: Analyzing ICFG fabs.i [2020-11-28 07:42:17,348 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:42:17,353 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-11-28 07:42:17,364 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-28 07:42:17,398 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:42:17,399 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:42:17,399 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:42:17,399 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:42:17,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:42:17,399 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:42:17,399 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:42:17,400 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:42:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2020-11-28 07:42:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 07:42:17,418 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:42:17,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 07:42:17,420 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:42:17,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:42:17,426 INFO L82 PathProgramCache]: Analyzing trace with hash 889506790, now seen corresponding path program 1 times [2020-11-28 07:42:17,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:42:17,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140832120] [2020-11-28 07:42:17,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 07:42:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:42:17,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:42:17,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:42:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:17,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:42:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:42:17,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140832120] [2020-11-28 07:42:17,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:42:17,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:42:17,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409956185] [2020-11-28 07:42:17,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:42:17,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:42:17,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:42:17,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:17,642 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 4 states. [2020-11-28 07:42:17,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:42:17,722 INFO L93 Difference]: Finished difference Result 59 states and 74 transitions. [2020-11-28 07:42:17,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:42:17,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-11-28 07:42:17,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:42:17,732 INFO L225 Difference]: With dead ends: 59 [2020-11-28 07:42:17,733 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:42:17,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:42:17,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:42:17,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:42:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:42:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:42:17,761 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-11-28 07:42:17,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:42:17,762 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:42:17,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:42:17,762 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:42:17,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:42:17,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:42:17,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:42:18,052 INFO L274 CegarLoopResult]: For program point L877-12(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,052 INFO L274 CegarLoopResult]: For program point L877-14(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,053 INFO L274 CegarLoopResult]: For program point L877-15(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,053 INFO L274 CegarLoopResult]: For program point L877-16(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,053 INFO L274 CegarLoopResult]: For program point L877-18(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,053 INFO L274 CegarLoopResult]: For program point L877-19(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,053 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,053 INFO L274 CegarLoopResult]: For program point L877-20(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,054 INFO L274 CegarLoopResult]: For program point L877-22(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,054 INFO L274 CegarLoopResult]: For program point L877-23(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,054 INFO L274 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,054 INFO L274 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,054 INFO L270 CegarLoopResult]: At program point L878-3(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:42:18,054 INFO L274 CegarLoopResult]: For program point L878-4(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,055 INFO L274 CegarLoopResult]: For program point L878-5(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,055 INFO L270 CegarLoopResult]: At program point L878-7(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:42:18,055 INFO L274 CegarLoopResult]: For program point L878-8(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,055 INFO L274 CegarLoopResult]: For program point L878-9(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,055 INFO L270 CegarLoopResult]: At program point L878-11(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:42:18,055 INFO L274 CegarLoopResult]: For program point L878-12(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,056 INFO L274 CegarLoopResult]: For program point L878-13(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,056 INFO L270 CegarLoopResult]: At program point L878-15(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:42:18,056 INFO L274 CegarLoopResult]: For program point L878-16(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,056 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,057 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:42:18,057 INFO L274 CegarLoopResult]: For program point L878-17(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,057 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:42:18,057 INFO L270 CegarLoopResult]: At program point L878-19(line 878) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:42:18,058 INFO L274 CegarLoopResult]: For program point L878-20(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,058 INFO L274 CegarLoopResult]: For program point L878-21(line 878) no Hoare annotation was computed. [2020-11-28 07:42:18,059 INFO L270 CegarLoopResult]: At program point L878-23(lines 1 888) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-11-28 07:42:18,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,060 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:42:18,060 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,060 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:42:18,060 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,060 INFO L274 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,060 INFO L274 CegarLoopResult]: For program point L877-2(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,060 INFO L274 CegarLoopResult]: For program point L877-3(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,062 INFO L274 CegarLoopResult]: For program point L877-4(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,063 INFO L274 CegarLoopResult]: For program point L877-6(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,065 INFO L274 CegarLoopResult]: For program point L877-7(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,067 INFO L274 CegarLoopResult]: For program point L877-8(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,067 INFO L274 CegarLoopResult]: For program point L877-10(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,067 INFO L274 CegarLoopResult]: For program point L877-11(line 877) no Hoare annotation was computed. [2020-11-28 07:42:18,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:42:18 BoogieIcfgContainer [2020-11-28 07:42:18,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:42:18,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:42:18,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:42:18,090 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:42:18,090 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:42:17" (3/4) ... [2020-11-28 07:42:18,093 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:42:18,108 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2020-11-28 07:42:18,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 07:42:18,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 07:42:18,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:18,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:42:18,174 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_64ccbc66-fb13-45f7-abd5-153b15cd2013/bin/utaipan/witness.graphml [2020-11-28 07:42:18,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:42:18,176 INFO L168 Benchmark]: Toolchain (without parser) took 2522.97 ms. Allocated memory was 54.5 MB in the beginning and 88.1 MB in the end (delta: 33.6 MB). Free memory was 30.9 MB in the beginning and 54.3 MB in the end (delta: -23.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:18,176 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory was 37.2 MB in the beginning and 37.1 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:18,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 987.63 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.7 MB in the beginning and 34.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:18,177 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.91 ms. Allocated memory is still 69.2 MB. Free memory was 34.1 MB in the beginning and 31.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:18,178 INFO L168 Benchmark]: Boogie Preprocessor took 30.34 ms. Allocated memory is still 69.2 MB. Free memory was 31.5 MB in the beginning and 29.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:18,178 INFO L168 Benchmark]: RCFGBuilder took 562.75 ms. Allocated memory is still 69.2 MB. Free memory was 29.9 MB in the beginning and 39.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:18,179 INFO L168 Benchmark]: TraceAbstraction took 757.56 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 39.1 MB in the beginning and 57.6 MB in the end (delta: -18.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:42:18,180 INFO L168 Benchmark]: Witness Printer took 84.83 ms. Allocated memory is still 88.1 MB. Free memory was 57.6 MB in the beginning and 54.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:42:18,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 54.5 MB. Free memory was 37.2 MB in the beginning and 37.1 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 987.63 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.7 MB in the beginning and 34.1 MB in the end (delta: -3.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 89.91 ms. Allocated memory is still 69.2 MB. Free memory was 34.1 MB in the beginning and 31.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.34 ms. Allocated memory is still 69.2 MB. Free memory was 31.5 MB in the beginning and 29.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 562.75 ms. Allocated memory is still 69.2 MB. Free memory was 29.9 MB in the beginning and 39.9 MB in the end (delta: -10.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 757.56 ms. Allocated memory was 69.2 MB in the beginning and 88.1 MB in the end (delta: 18.9 MB). Free memory was 39.1 MB in the beginning and 57.6 MB in the end (delta: -18.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 84.83 ms. Allocated memory is still 88.1 MB. Free memory was 57.6 MB in the beginning and 54.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 877]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 46 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 6 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 12 NumberOfFragments, 30 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 85 SizeOfPredicates, 4 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...