./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_loose.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c97aae237a76dbf85532dc8d030e712982e570a .......................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_loose.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c97aae237a76dbf85532dc8d030e712982e570a ..................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:13:04,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:13:04,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:13:04,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:13:04,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:13:04,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:13:04,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:13:04,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:13:04,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:13:04,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:13:04,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:13:04,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:13:04,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:13:04,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:13:04,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:13:04,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:13:04,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:13:04,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:13:04,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:13:04,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:13:04,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:13:04,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:13:04,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:13:04,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:13:04,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:13:04,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:13:04,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:13:04,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:13:04,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:13:04,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:13:04,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:13:04,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:13:04,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:13:04,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:13:04,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:13:04,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:13:04,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:13:04,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:13:04,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:13:04,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:13:04,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:13:04,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 11:13:04,368 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:13:04,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:13:04,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:13:04,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:13:04,369 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:13:04,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:13:04,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:13:04,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:13:04,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:13:04,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:13:04,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:13:04,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:13:04,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:13:04,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:13:04,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:13:04,370 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:13:04,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:13:04,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:13:04,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:13:04,371 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:13:04,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:13:04,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:13:04,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:13:04,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:13:04,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:13:04,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:13:04,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:13:04,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:13:04,372 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:13:04,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c97aae237a76dbf85532dc8d030e712982e570a [2019-12-07 11:13:04,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:13:04,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:13:04,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:13:04,495 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:13:04,495 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:13:04,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/../../sv-benchmarks/c/float-benchs/zonotope_loose.c [2019-12-07 11:13:04,537 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/data/426b5987b/a2fab73a5d6b4278a821ca2731d67940/FLAG86a0c306c [2019-12-07 11:13:04,858 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:13:04,858 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/sv-benchmarks/c/float-benchs/zonotope_loose.c [2019-12-07 11:13:04,862 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/data/426b5987b/a2fab73a5d6b4278a821ca2731d67940/FLAG86a0c306c [2019-12-07 11:13:05,301 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/data/426b5987b/a2fab73a5d6b4278a821ca2731d67940 [2019-12-07 11:13:05,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:13:05,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:13:05,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:13:05,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:13:05,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:13:05,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb66a16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05, skipping insertion in model container [2019-12-07 11:13:05,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:13:05,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:13:05,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:13:05,426 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:13:05,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:13:05,476 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:13:05,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05 WrapperNode [2019-12-07 11:13:05,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:13:05,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:13:05,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:13:05,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:13:05,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:13:05,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:13:05,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:13:05,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:13:05,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:13:05,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:13:05,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:13:05,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:13:05,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:13:05,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:13:05,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:13:05,634 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:13:05,634 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 11:13:05,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:05 BoogieIcfgContainer [2019-12-07 11:13:05,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:13:05,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:13:05,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:13:05,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:13:05,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:13:05" (1/3) ... [2019-12-07 11:13:05,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ffede6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:13:05, skipping insertion in model container [2019-12-07 11:13:05,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (2/3) ... [2019-12-07 11:13:05,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ffede6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:13:05, skipping insertion in model container [2019-12-07 11:13:05,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:05" (3/3) ... [2019-12-07 11:13:05,640 INFO L109 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c [2019-12-07 11:13:05,646 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:13:05,650 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:13:05,657 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:13:05,671 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:13:05,671 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:13:05,671 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:13:05,671 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:13:05,671 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:13:05,672 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:13:05,672 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:13:05,672 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:13:05,680 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-12-07 11:13:05,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 11:13:05,683 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:13:05,684 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 11:13:05,684 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:13:05,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:13:05,688 INFO L82 PathProgramCache]: Analyzing trace with hash 29679878, now seen corresponding path program 1 times [2019-12-07 11:13:05,693 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:13:05,693 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506805314] [2019-12-07 11:13:05,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:13:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:13:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:13:05,768 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:13:05,768 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:13:05,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:13:05 BoogieIcfgContainer [2019-12-07 11:13:05,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:13:05,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:13:05,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:13:05,780 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:13:05,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:05" (3/4) ... [2019-12-07 11:13:05,783 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:13:05,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:13:05,785 INFO L168 Benchmark]: Toolchain (without parser) took 480.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -110.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:13:05,785 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:13:05,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:05,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:13:05,786 INFO L168 Benchmark]: Boogie Preprocessor took 11.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:13:05,787 INFO L168 Benchmark]: RCFGBuilder took 127.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:05,787 INFO L168 Benchmark]: TraceAbstraction took 143.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:05,787 INFO L168 Benchmark]: Witness Printer took 3.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:13:05,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -145.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.11 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 127.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 143.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.15 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 19. Possible FailurePath: [L13] double x,y; [L15] x = __VERIFIER_nondet_double() [L18] y = x*x - x [L19] COND TRUE y >= 0 [L19] y = x / 10. [L9] COND TRUE !(cond) [L9] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 11:13:07,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:13:07,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:13:07,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:13:07,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:13:07,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:13:07,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:13:07,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:13:07,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:13:07,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:13:07,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:13:07,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:13:07,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:13:07,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:13:07,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:13:07,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:13:07,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:13:07,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:13:07,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:13:07,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:13:07,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:13:07,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:13:07,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:13:07,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:13:07,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:13:07,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:13:07,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:13:07,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:13:07,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:13:07,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:13:07,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:13:07,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:13:07,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:13:07,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:13:07,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:13:07,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:13:07,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:13:07,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:13:07,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:13:07,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:13:07,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:13:07,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 11:13:07,177 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:13:07,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:13:07,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:13:07,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:13:07,178 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:13:07,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:13:07,179 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:13:07,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:13:07,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:13:07,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:13:07,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:13:07,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:13:07,180 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:13:07,180 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:13:07,180 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:13:07,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:13:07,181 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:13:07,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:13:07,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:13:07,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:13:07,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:13:07,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:13:07,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:13:07,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:13:07,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:13:07,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:13:07,182 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 11:13:07,182 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:13:07,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:13:07,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:13:07,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:13:07,183 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c97aae237a76dbf85532dc8d030e712982e570a [2019-12-07 11:13:07,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:13:07,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:13:07,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:13:07,361 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:13:07,361 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:13:07,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/../../sv-benchmarks/c/float-benchs/zonotope_loose.c [2019-12-07 11:13:07,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/data/021f7130a/380f2b4b206d4afb8b80538bf667a440/FLAG0a96307c6 [2019-12-07 11:13:07,739 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:13:07,739 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/sv-benchmarks/c/float-benchs/zonotope_loose.c [2019-12-07 11:13:07,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/data/021f7130a/380f2b4b206d4afb8b80538bf667a440/FLAG0a96307c6 [2019-12-07 11:13:07,752 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/data/021f7130a/380f2b4b206d4afb8b80538bf667a440 [2019-12-07 11:13:07,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:13:07,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:13:07,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:13:07,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:13:07,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:13:07,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2818af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07, skipping insertion in model container [2019-12-07 11:13:07,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:13:07,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:13:07,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:13:07,877 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:13:07,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:13:07,897 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:13:07,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07 WrapperNode [2019-12-07 11:13:07,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:13:07,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:13:07,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:13:07,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:13:07,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:13:07,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:13:07,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:13:07,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:13:07,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... [2019-12-07 11:13:07,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:13:07,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:13:07,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:13:07,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:13:07,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:13:08,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:13:08,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:13:09,633 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:13:09,633 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 11:13:09,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:09 BoogieIcfgContainer [2019-12-07 11:13:09,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:13:09,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:13:09,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:13:09,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:13:09,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:13:07" (1/3) ... [2019-12-07 11:13:09,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d21fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:13:09, skipping insertion in model container [2019-12-07 11:13:09,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:07" (2/3) ... [2019-12-07 11:13:09,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d21fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:13:09, skipping insertion in model container [2019-12-07 11:13:09,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:09" (3/3) ... [2019-12-07 11:13:09,639 INFO L109 eAbstractionObserver]: Analyzing ICFG zonotope_loose.c [2019-12-07 11:13:09,646 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:13:09,650 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:13:09,657 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:13:09,674 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:13:09,674 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:13:09,674 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:13:09,674 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:13:09,674 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:13:09,674 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:13:09,675 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:13:09,675 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:13:09,685 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-12-07 11:13:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 11:13:09,688 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:13:09,689 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:13:09,689 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:13:09,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:13:09,693 INFO L82 PathProgramCache]: Analyzing trace with hash 889508713, now seen corresponding path program 1 times [2019-12-07 11:13:09,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:13:09,700 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850021249] [2019-12-07 11:13:09,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/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 [2019-12-07 11:13:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:13:10,150 WARN L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 11:13:10,155 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:13:22,024 WARN L192 SmtUtils]: Spent 5.95 s on a formula simplification that was a NOOP. DAG size: 15 [2019-12-07 11:13:22,032 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:13:24,243 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:13:36,881 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (or (= (bvadd c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (and (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.leq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~x~0 .cse0) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~x~0 .cse0) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53))))) .cse1) (and .cse1 (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.geq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~x~0 .cse2) (_ +zero 11 53))) (fp.leq ULTIMATE.start_main_~x~0 .cse2) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)))))))) is different from false [2019-12-07 11:13:48,168 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (fp.leq v_prenex_1 .cse0) (not (fp.geq (fp.div roundNearestTiesToEven v_prenex_1 .cse0) (_ +zero 11 53))) (fp.geq v_prenex_1 (_ +zero 11 53))))) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.leq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~x~0 .cse1) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~x~0 .cse1) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)))))) is different from false [2019-12-07 11:13:50,358 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((v_prenex_1 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (fp.leq v_prenex_1 .cse0) (not (fp.geq (fp.div roundNearestTiesToEven v_prenex_1 .cse0) (_ +zero 11 53))) (fp.geq v_prenex_1 (_ +zero 11 53))))) (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven 10.0))) (and (not (fp.leq (fp.div roundNearestTiesToEven ULTIMATE.start_main_~x~0 .cse1) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~x~0 .cse1) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)))))) is different from true [2019-12-07 11:13:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:13:50,360 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:14:18,313 WARN L192 SmtUtils]: Spent 7.94 s on a formula simplification that was a NOOP. DAG size: 11 [2019-12-07 11:14:18,314 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:14:20,511 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~x~0_8 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (or (not (fp.leq v_ULTIMATE.start_main_~x~0_8 .cse0)) (fp.leq (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_8 .cse0) ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (not (fp.geq v_ULTIMATE.start_main_~x~0_8 (_ +zero 11 53)))))) (forall ((v_ULTIMATE.start_main_~x~0_8 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (or (not (fp.leq v_ULTIMATE.start_main_~x~0_8 .cse1)) (fp.geq (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_8 .cse1) (_ +zero 11 53)) (not (fp.geq v_ULTIMATE.start_main_~x~0_8 (_ +zero 11 53))))))) is different from false [2019-12-07 11:14:22,958 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~x~0_8 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (or (not (fp.leq v_ULTIMATE.start_main_~x~0_8 .cse0)) (fp.leq (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_8 .cse0) ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (not (fp.geq v_ULTIMATE.start_main_~x~0_8 (_ +zero 11 53)))))) (forall ((v_ULTIMATE.start_main_~x~0_8 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (or (not (fp.leq v_ULTIMATE.start_main_~x~0_8 .cse1)) (fp.geq (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_8 .cse1) (_ +zero 11 53)) (not (fp.geq v_ULTIMATE.start_main_~x~0_8 (_ +zero 11 53))))))) is different from true [2019-12-07 11:14:22,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:14:22,960 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850021249] [2019-12-07 11:14:22,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:14:22,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2019-12-07 11:14:22,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259586523] [2019-12-07 11:14:22,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 11:14:22,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:14:22,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 11:14:22,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=36, Unknown=11, NotChecked=42, Total=110 [2019-12-07 11:14:22,980 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 11 states. [2019-12-07 11:14:28,973 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~x~0_8 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (or (not (fp.leq v_ULTIMATE.start_main_~x~0_8 .cse0)) (fp.leq (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_8 .cse0) ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (not (fp.geq v_ULTIMATE.start_main_~x~0_8 (_ +zero 11 53)))))) (forall ((v_ULTIMATE.start_main_~x~0_8 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (or (not (fp.leq v_ULTIMATE.start_main_~x~0_8 .cse1)) (fp.geq (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_8 .cse1) (_ +zero 11 53)) (not (fp.geq v_ULTIMATE.start_main_~x~0_8 (_ +zero 11 53)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 11:14:31,399 WARN L860 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~x~0_8 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (or (not (fp.leq v_ULTIMATE.start_main_~x~0_8 .cse0)) (fp.leq (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_8 .cse0) ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (not (fp.geq v_ULTIMATE.start_main_~x~0_8 (_ +zero 11 53)))))) (forall ((v_ULTIMATE.start_main_~x~0_8 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (or (not (fp.leq v_ULTIMATE.start_main_~x~0_8 .cse1)) (fp.geq (fp.div c_currentRoundingMode v_ULTIMATE.start_main_~x~0_8 .cse1) (_ +zero 11 53)) (not (fp.geq v_ULTIMATE.start_main_~x~0_8 (_ +zero 11 53)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2019-12-07 11:14:33,632 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (let ((.cse0 (fp.div c_currentRoundingMode c_ULTIMATE.start_main_~x~0 .cse1))) (and (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (fp.geq c_ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (fp.geq .cse0 (_ +zero 11 53)) (fp.leq c_ULTIMATE.start_main_~x~0 .cse1) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2019-12-07 11:15:04,284 WARN L192 SmtUtils]: Spent 20.93 s on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2019-12-07 11:15:41,143 WARN L192 SmtUtils]: Spent 25.94 s on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2019-12-07 11:16:18,464 WARN L192 SmtUtils]: Spent 24.45 s on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2019-12-07 11:16:26,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:16:26,448 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2019-12-07 11:16:26,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 11:16:26,894 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 6 [2019-12-07 11:16:26,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:16:26,901 INFO L225 Difference]: With dead ends: 23 [2019-12-07 11:16:26,901 INFO L226 Difference]: Without dead ends: 7 [2019-12-07 11:16:26,903 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 155.5s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=20, NotChecked=110, Total=240 [2019-12-07 11:16:26,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2019-12-07 11:16:26,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-12-07 11:16:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 11:16:26,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2019-12-07 11:16:26,925 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2019-12-07 11:16:26,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:16:26,926 INFO L462 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2019-12-07 11:16:26,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 11:16:26,926 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-12-07 11:16:26,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 11:16:26,926 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:16:26,926 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 11:16:27,127 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:16:27,128 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:16:27,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:16:27,129 INFO L82 PathProgramCache]: Analyzing trace with hash 889568295, now seen corresponding path program 1 times [2019-12-07 11:16:27,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 11:16:27,131 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1136070518] [2019-12-07 11:16:27,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 11:16:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:16:27,528 WARN L262 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 11:16:27,529 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:16:29,584 WARN L838 $PredicateComparison]: unable to prove that (and (fp.geq c_ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (fp.leq c_ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0)) (= c_currentRoundingMode roundNearestTiesToEven) (= (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~x~0 c_ULTIMATE.start_main_~x~0) c_ULTIMATE.start_main_~x~0) c_ULTIMATE.start_main_~y~0)) is different from false [2019-12-07 11:16:31,646 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (= c_ULTIMATE.start_main_~y~0 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 11:16:31,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:16:33,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:16:47,407 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (or (and (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.geq (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) .cse1) (and (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse2 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.leq (fp.add roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse2 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) .cse1) (= (bvadd c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)))) is different from false [2019-12-07 11:16:57,747 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.geq (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) (exists ((v_prenex_2 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul roundNearestTiesToEven v_prenex_2 v_prenex_2))) (and (fp.geq v_prenex_2 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse1 v_prenex_2) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (fp.leq (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq v_prenex_2 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))))) is different from false [2019-12-07 11:16:59,796 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul roundNearestTiesToEven ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (not (fp.geq (fp.add roundNearestTiesToEven .cse0 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) (_ +zero 11 53))) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32))))))) (exists ((v_prenex_2 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul roundNearestTiesToEven v_prenex_2 v_prenex_2))) (and (fp.geq v_prenex_2 (_ +zero 11 53)) (not (fp.geq (fp.sub roundNearestTiesToEven .cse1 v_prenex_2) ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (fp.leq (fp.add roundNearestTiesToEven .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven 105.0))) (fp.leq v_prenex_2 ((_ to_fp 11 53) roundNearestTiesToEven 10.0)))))) is different from true [2019-12-07 11:16:59,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:16:59,797 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:17:20,758 WARN L192 SmtUtils]: Spent 13.29 s on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2019-12-07 11:17:22,809 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~x~0_9 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~x~0_9))) (or (not (fp.leq v_ULTIMATE.start_main_~x~0_9 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.geq v_ULTIMATE.start_main_~x~0_9 (_ +zero 11 53))) (fp.geq (fp.sub c_currentRoundingMode .cse0 v_ULTIMATE.start_main_~x~0_9) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (fp.leq (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) is different from false [2019-12-07 11:17:24,863 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~x~0_9 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~x~0_9))) (or (not (fp.leq v_ULTIMATE.start_main_~x~0_9 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.geq v_ULTIMATE.start_main_~x~0_9 (_ +zero 11 53))) (fp.geq (fp.sub c_currentRoundingMode .cse0 v_ULTIMATE.start_main_~x~0_9) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (fp.leq (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) is different from true [2019-12-07 11:17:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:17:24,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1136070518] [2019-12-07 11:17:24,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:17:24,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 10 [2019-12-07 11:17:24,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955305225] [2019-12-07 11:17:24,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-07 11:17:24,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 11:17:24,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-07 11:17:24,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=23, Unknown=7, NotChecked=60, Total=110 [2019-12-07 11:17:24,868 INFO L87 Difference]: Start difference. First operand 7 states and 6 transitions. Second operand 11 states. [2019-12-07 11:17:28,092 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~x~0_9 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~x~0_9 v_ULTIMATE.start_main_~x~0_9))) (or (not (fp.leq v_ULTIMATE.start_main_~x~0_9 ((_ to_fp 11 53) c_currentRoundingMode 10.0))) (not (fp.geq v_ULTIMATE.start_main_~x~0_9 (_ +zero 11 53))) (fp.geq (fp.sub c_currentRoundingMode .cse0 v_ULTIMATE.start_main_~x~0_9) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))) (fp.leq (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0)) ((_ to_fp 11 53) c_currentRoundingMode 105.0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 11:18:00,566 WARN L192 SmtUtils]: Spent 24.91 s on a formula simplification that was a NOOP. DAG size: 24 [2019-12-07 11:18:04,795 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_main_~x~0 (_ FloatingPoint 11 53))) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and (= c_ULTIMATE.start_main_~y~0 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode 2.0))) (not (fp.geq (fp.sub c_currentRoundingMode .cse0 ULTIMATE.start_main_~x~0) ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32)))) (fp.geq ULTIMATE.start_main_~x~0 (_ +zero 11 53)) (fp.leq ULTIMATE.start_main_~x~0 ((_ to_fp 11 53) c_currentRoundingMode 10.0))))) (fp.leq c_ULTIMATE.start_main_~y~0 ((_ to_fp 11 53) c_currentRoundingMode 105.0)) (fp.geq c_ULTIMATE.start_main_~y~0 (_ +zero 11 53)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2019-12-07 11:18:11,500 WARN L192 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 36 DAG size of output: 5 [2019-12-07 11:18:11,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:18:11,502 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2019-12-07 11:18:11,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:18:11,502 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 6 [2019-12-07 11:18:11,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:18:11,502 INFO L225 Difference]: With dead ends: 7 [2019-12-07 11:18:11,502 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:18:11,503 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 78.8s TimeCoverageRelationStatistics Valid=31, Invalid=43, Unknown=10, NotChecked=126, Total=210 [2019-12-07 11:18:11,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:18:11,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:18:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:18:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:18:11,504 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2019-12-07 11:18:11,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:18:11,504 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:18:11,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-07 11:18:11,505 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:18:11,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:18:11,705 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:18:11,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:18:11,772 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:18:11,773 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:18:11,773 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:18:11,773 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:18:11,773 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 9) no Hoare annotation was computed. [2019-12-07 11:18:11,773 INFO L242 CegarLoopResult]: At program point L23(lines 11 24) the Hoare annotation is: (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) [2019-12-07 11:18:11,773 INFO L246 CegarLoopResult]: For program point L19(lines 19 20) no Hoare annotation was computed. [2019-12-07 11:18:11,773 INFO L246 CegarLoopResult]: For program point L19-2(lines 19 20) no Hoare annotation was computed. [2019-12-07 11:18:11,773 INFO L246 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2019-12-07 11:18:11,773 INFO L246 CegarLoopResult]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-12-07 11:18:11,774 INFO L242 CegarLoopResult]: At program point L9-3(line 9) the Hoare annotation is: (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) [2019-12-07 11:18:11,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:18:11 BoogieIcfgContainer [2019-12-07 11:18:11,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:18:11,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:18:11,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:18:11,783 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:18:11,784 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:09" (3/4) ... [2019-12-07 11:18:11,786 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:18:11,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 11:18:11,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:18:11,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:18:11,819 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e1877347-a0c7-484d-8f7c-1a033fe69741/bin/uautomizer/witness.graphml [2019-12-07 11:18:11,819 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:18:11,820 INFO L168 Benchmark]: Toolchain (without parser) took 304065.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.0 MB in the beginning and 998.9 MB in the end (delta: -47.8 MB). Peak memory consumption was 75.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:11,820 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:18:11,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.93 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:11,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:11,822 INFO L168 Benchmark]: Boogie Preprocessor took 18.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:11,822 INFO L168 Benchmark]: RCFGBuilder took 1659.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:11,822 INFO L168 Benchmark]: TraceAbstraction took 302148.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 84.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:18:11,823 INFO L168 Benchmark]: Witness Printer took 36.06 ms. Allocated memory is still 1.2 GB. Free memory is still 998.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:18:11,824 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.93 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 10.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1659.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 302148.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 84.0 MB). Peak memory consumption was 84.0 MB. Max. memory is 11.5 GB. * Witness Printer took 36.06 ms. Allocated memory is still 1.2 GB. Free memory is still 998.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 9]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: !(cond == 0bv32) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: !(cond == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Result: SAFE, OverallTime: 302.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 170.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 22 SDslu, 27 SDs, 0 SdLazy, 13 SolverSat, 1 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 21.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 12 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 234.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 8 HoareAnnotationTreeSize, 2 FomulaSimplifications, 64 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 130.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 8 QuantifiedInterpolants, 2465 SizeOfPredicates, 10 NumberOfNonLiveVariables, 24 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...