./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/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 aa2086ab05aa915f1fa31296bc02fdb3a78fa087 ................................................................................................................................................................................................................................................................................................... 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_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/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 aa2086ab05aa915f1fa31296bc02fdb3a78fa087 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:47:21,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:47:21,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:47:21,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:47:21,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:47:21,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:47:21,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:47:21,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:47:21,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:47:21,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:47:21,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:47:21,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:47:21,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:47:21,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:47:21,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:47:21,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:47:21,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:47:21,599 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:47:21,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:47:21,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:47:21,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:47:21,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:47:21,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:47:21,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:47:21,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:47:21,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:47:21,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:47:21,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:47:21,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:47:21,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:47:21,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:47:21,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:47:21,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:47:21,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:47:21,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:47:21,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:47:21,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:47:21,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:47:21,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:47:21,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:47:21,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:47:21,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 03:47:21,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:47:21,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:47:21,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:47:21,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:47:21,640 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:47:21,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:47:21,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:47:21,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:47:21,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:47:21,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:47:21,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:47:21,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:47:21,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:47:21,643 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:47:21,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:47:21,643 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:47:21,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:47:21,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:47:21,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:47:21,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:47:21,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:47:21,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:47:21,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:47:21,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:47:21,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:47:21,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 03:47:21,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:47:21,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:47:21,646 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_7ad42516-d390-478e-b21d-a3cf773c3217/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 -> aa2086ab05aa915f1fa31296bc02fdb3a78fa087 [2019-11-20 03:47:21,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:47:21,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:47:21,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:47:21,826 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:47:21,826 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:47:21,827 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2019-11-20 03:47:21,900 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/data/271408c81/20e5ee9972fa4d46b2cf42cc8e063e4b/FLAG9f3105a56 [2019-11-20 03:47:22,336 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:47:22,336 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2019-11-20 03:47:22,344 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/data/271408c81/20e5ee9972fa4d46b2cf42cc8e063e4b/FLAG9f3105a56 [2019-11-20 03:47:22,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/data/271408c81/20e5ee9972fa4d46b2cf42cc8e063e4b [2019-11-20 03:47:22,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:47:22,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:47:22,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:47:22,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:47:22,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:47:22,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:47:22" (1/1) ... [2019-11-20 03:47:22,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd093d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:22, skipping insertion in model container [2019-11-20 03:47:22,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:47:22" (1/1) ... [2019-11-20 03:47:22,682 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:47:22,710 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:47:23,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:47:23,081 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:47:23,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:47:23,148 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:47:23,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23 WrapperNode [2019-11-20 03:47:23,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:47:23,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:47:23,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:47:23,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:47:23,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23" (1/1) ... [2019-11-20 03:47:23,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23" (1/1) ... [2019-11-20 03:47:23,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:47:23,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:47:23,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:47:23,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:47:23,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23" (1/1) ... [2019-11-20 03:47:23,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23" (1/1) ... [2019-11-20 03:47:23,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23" (1/1) ... [2019-11-20 03:47:23,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23" (1/1) ... [2019-11-20 03:47:23,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23" (1/1) ... [2019-11-20 03:47:23,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23" (1/1) ... [2019-11-20 03:47:23,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23" (1/1) ... [2019-11-20 03:47:23,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:47:23,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:47:23,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:47:23,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:47:23,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:47:23,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:47:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 03:47:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 03:47:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 03:47:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:47:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:47:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 03:47:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-11-20 03:47:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:47:23,920 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:47:23,920 INFO L285 CfgBuilder]: Removed 24 assume(true) statements. [2019-11-20 03:47:23,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:23 BoogieIcfgContainer [2019-11-20 03:47:23,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:47:23,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:47:23,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:47:23,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:47:23,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:47:22" (1/3) ... [2019-11-20 03:47:23,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0ac240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:47:23, skipping insertion in model container [2019-11-20 03:47:23,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:23" (2/3) ... [2019-11-20 03:47:23,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0ac240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:47:23, skipping insertion in model container [2019-11-20 03:47:23,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:23" (3/3) ... [2019-11-20 03:47:23,929 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2019-11-20 03:47:23,940 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:47:23,953 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 03:47:23,965 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 03:47:23,989 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:47:23,989 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:47:23,989 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:47:23,989 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:47:23,989 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:47:23,990 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:47:23,990 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:47:23,990 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:47:24,006 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2019-11-20 03:47:24,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:47:24,013 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:47:24,014 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:47:24,014 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:47:24,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:47:24,020 INFO L82 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2019-11-20 03:47:24,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:47:24,027 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132135822] [2019-11-20 03:47:24,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:47:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:47:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:47:24,153 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132135822] [2019-11-20 03:47:24,154 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:47:24,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 03:47:24,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776134689] [2019-11-20 03:47:24,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 03:47:24,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 03:47:24,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 03:47:24,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:47:24,173 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2019-11-20 03:47:24,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:47:24,195 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2019-11-20 03:47:24,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:47:24,197 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 03:47:24,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:47:24,209 INFO L225 Difference]: With dead ends: 119 [2019-11-20 03:47:24,209 INFO L226 Difference]: Without dead ends: 57 [2019-11-20 03:47:24,212 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:47:24,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-20 03:47:24,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-20 03:47:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-20 03:47:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2019-11-20 03:47:24,270 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2019-11-20 03:47:24,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:47:24,271 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2019-11-20 03:47:24,271 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 03:47:24,272 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2019-11-20 03:47:24,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:47:24,273 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:47:24,273 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:47:24,274 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:47:24,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:47:24,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2019-11-20 03:47:24,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 03:47:24,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403065923] [2019-11-20 03:47:24,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 03:47:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:47:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 03:47:24,465 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 03:47:24,465 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 03:47:24,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:47:24 BoogieIcfgContainer [2019-11-20 03:47:24,508 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:47:24,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:47:24,509 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:47:24,509 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:47:24,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:23" (3/4) ... [2019-11-20 03:47:24,513 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 03:47:24,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:47:24,515 INFO L168 Benchmark]: Toolchain (without parser) took 1850.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -108.3 MB). Peak memory consumption was 33.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:47:24,516 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:47:24,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:47:24,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:47:24,518 INFO L168 Benchmark]: Boogie Preprocessor took 78.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:47:24,518 INFO L168 Benchmark]: RCFGBuilder took 613.96 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: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:47:24,519 INFO L168 Benchmark]: TraceAbstraction took 585.40 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. [2019-11-20 03:47:24,520 INFO L168 Benchmark]: Witness Printer took 4.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:47:24,523 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 484.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -180.3 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 613.96 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: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 585.40 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. * Witness Printer took 4.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 191]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 44, overapproximation of someUnaryDOUBLEoperation at line 20, overapproximation of bitwiseAnd at line 39, overapproximation of someBinaryArithmeticDOUBLEoperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 190, overapproximation of bitwiseXor at line 40. Possible FailurePath: [L18-L21] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={3:0}] [L182] double x = 0.0; [L183] double y = __VERIFIER_nondet_double(); [L185] COND TRUE y < 0.0 || y > 0.0 [L24] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L25] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={3:0}] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (hx) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (lx) = ew_u.parts.lsw [L34] ieee_double_shape_type ew_u; [L35] ew_u.value = (y) [L36] EXPR ew_u.parts.msw [L36] (hy) = ew_u.parts.msw [L37] EXPR ew_u.parts.lsw [L37] (ly) = ew_u.parts.lsw [L39] sx = hx & 0x80000000 [L40] hx ^= sx [L41] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={3:0}] [L43-L44] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L45] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={3:0}] [L187] double res = fmod_double(x, y); [L190] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_fmod=1, Zero_fmod={3:0}] [L190] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L191] __VERIFIER_error() VAL [one_fmod=1, Zero_fmod={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 89 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 0.1.24-678e011 [2019-11-20 03:47:26,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:47:26,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:47:26,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:47:26,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:47:26,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:47:26,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:47:26,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:47:26,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:47:26,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:47:26,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:47:26,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:47:26,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:47:26,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:47:26,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:47:26,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:47:26,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:47:26,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:47:26,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:47:26,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:47:26,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:47:26,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:47:26,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:47:26,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:47:26,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:47:26,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:47:26,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:47:26,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:47:26,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:47:26,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:47:26,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:47:26,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:47:26,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:47:26,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:47:26,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:47:26,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:47:26,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:47:26,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:47:26,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:47:26,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:47:26,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:47:26,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 03:47:26,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:47:26,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:47:26,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:47:26,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:47:26,593 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 03:47:26,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:47:26,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:47:26,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:47:26,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:47:26,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:47:26,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:47:26,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:47:26,598 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 03:47:26,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 03:47:26,599 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:47:26,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:47:26,599 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:47:26,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:47:26,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:47:26,600 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 03:47:26,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:47:26,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 03:47:26,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:47:26,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:47:26,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:47:26,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:47:26,603 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 03:47:26,603 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 03:47:26,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:47:26,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 03:47:26,604 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_7ad42516-d390-478e-b21d-a3cf773c3217/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 -> aa2086ab05aa915f1fa31296bc02fdb3a78fa087 [2019-11-20 03:47:26,919 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:47:26,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:47:26,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:47:26,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:47:26,948 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:47:26,950 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2019-11-20 03:47:27,021 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/data/52fc17c03/5dc05f447cc14363a1b7a962ff81084f/FLAG0d8b6256b [2019-11-20 03:47:27,498 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:47:27,499 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2019-11-20 03:47:27,508 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/data/52fc17c03/5dc05f447cc14363a1b7a962ff81084f/FLAG0d8b6256b [2019-11-20 03:47:27,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/data/52fc17c03/5dc05f447cc14363a1b7a962ff81084f [2019-11-20 03:47:27,861 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:47:27,864 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:47:27,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:47:27,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:47:27,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:47:27,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:47:27" (1/1) ... [2019-11-20 03:47:27,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4d1697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:27, skipping insertion in model container [2019-11-20 03:47:27,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:47:27" (1/1) ... [2019-11-20 03:47:27,884 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:47:27,910 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:47:28,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:47:28,217 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:47:28,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:47:28,367 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:47:28,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28 WrapperNode [2019-11-20 03:47:28,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:47:28,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:47:28,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:47:28,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:47:28,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28" (1/1) ... [2019-11-20 03:47:28,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28" (1/1) ... [2019-11-20 03:47:28,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:47:28,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:47:28,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:47:28,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:47:28,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28" (1/1) ... [2019-11-20 03:47:28,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28" (1/1) ... [2019-11-20 03:47:28,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28" (1/1) ... [2019-11-20 03:47:28,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28" (1/1) ... [2019-11-20 03:47:28,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28" (1/1) ... [2019-11-20 03:47:28,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28" (1/1) ... [2019-11-20 03:47:28,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28" (1/1) ... [2019-11-20 03:47:28,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:47:28,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:47:28,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:47:28,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:47:28,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 03:47:28,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 03:47:28,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 03:47:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 03:47:28,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-11-20 03:47:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 03:47:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:47:28,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:47:28,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 03:47:28,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 03:47:32,417 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:47:32,417 INFO L285 CfgBuilder]: Removed 24 assume(true) statements. [2019-11-20 03:47:32,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:32 BoogieIcfgContainer [2019-11-20 03:47:32,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:47:32,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 03:47:32,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 03:47:32,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 03:47:32,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:47:27" (1/3) ... [2019-11-20 03:47:32,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6b9dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:47:32, skipping insertion in model container [2019-11-20 03:47:32,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:47:28" (2/3) ... [2019-11-20 03:47:32,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6b9dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:47:32, skipping insertion in model container [2019-11-20 03:47:32,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:32" (3/3) ... [2019-11-20 03:47:32,427 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2019-11-20 03:47:32,438 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 03:47:32,445 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 03:47:32,458 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 03:47:32,483 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 03:47:32,483 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 03:47:32,483 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 03:47:32,483 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 03:47:32,484 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 03:47:32,484 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 03:47:32,484 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 03:47:32,485 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 03:47:32,501 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2019-11-20 03:47:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 03:47:32,508 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:47:32,509 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:47:32,510 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:47:32,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:47:32,516 INFO L82 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2019-11-20 03:47:32,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:47:32,530 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572616558] [2019-11-20 03:47:32,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/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 [2019-11-20 03:47:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:47:33,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 03:47:33,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:47:33,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:47:33,641 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:47:33,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:47:33,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572616558] [2019-11-20 03:47:33,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:47:33,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 03:47:33,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501976399] [2019-11-20 03:47:33,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 03:47:33,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:47:33,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 03:47:33,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:47:33,667 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2019-11-20 03:47:33,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:47:33,694 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2019-11-20 03:47:33,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 03:47:33,695 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-20 03:47:33,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:47:33,708 INFO L225 Difference]: With dead ends: 119 [2019-11-20 03:47:33,709 INFO L226 Difference]: Without dead ends: 57 [2019-11-20 03:47:33,712 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 03:47:33,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2019-11-20 03:47:33,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2019-11-20 03:47:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-20 03:47:33,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2019-11-20 03:47:33,755 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2019-11-20 03:47:33,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:47:33,756 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2019-11-20 03:47:33,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 03:47:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2019-11-20 03:47:33,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:47:33,758 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:47:33,758 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:47:33,974 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 03:47:33,974 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:47:33,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:47:33,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2019-11-20 03:47:33,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:47:33,976 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304655736] [2019-11-20 03:47:33,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/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 [2019-11-20 03:47:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:47:35,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2019-11-20 03:47:35,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:47:35,409 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:47:35,519 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 57 [2019-11-20 03:47:35,558 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-11-20 03:47:35,559 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:47:35,619 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:35,648 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2019-11-20 03:47:35,649 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 03:47:35,684 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:35,685 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:47:35,698 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 57 [2019-11-20 03:47:35,719 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 27 [2019-11-20 03:47:35,720 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-20 03:47:35,759 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:35,777 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:35,778 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 12 [2019-11-20 03:47:35,779 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-11-20 03:47:35,807 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:35,808 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:47:35,872 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:35,875 INFO L496 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-11-20 03:47:35,876 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:119, output treesize:63 [2019-11-20 03:47:37,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:47:52,304 WARN L191 SmtUtils]: Spent 12.18 s on a formula simplification that was a NOOP. DAG size: 59 [2019-11-20 03:47:52,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:47:52,322 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:47:52,443 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 03:47:52,494 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,494 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 41 [2019-11-20 03:47:52,518 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2019-11-20 03:47:52,519 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:47:52,535 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,535 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:47:52,603 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,604 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 61 treesize of output 59 [2019-11-20 03:47:52,666 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,667 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 36 [2019-11-20 03:47:52,668 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 03:47:52,689 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,714 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2019-11-20 03:47:52,715 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-11-20 03:47:52,730 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,731 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:47:52,768 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,769 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 78 treesize of output 74 [2019-11-20 03:47:52,799 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,800 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 42 [2019-11-20 03:47:52,801 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-11-20 03:47:52,838 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,853 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,853 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 26 [2019-11-20 03:47:52,854 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-11-20 03:47:52,873 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,873 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:47:52,951 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:47:52,953 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 3 xjuncts. [2019-11-20 03:47:52,953 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:181, output treesize:68 [2019-11-20 03:47:53,188 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 03:47:53,446 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-11-20 03:47:53,449 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:47:53,450 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 03:47:53,466 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-11-20 03:47:53,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:47:53,523 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304655736] [2019-11-20 03:47:53,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:47:53,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-11-20 03:47:53,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546291213] [2019-11-20 03:47:53,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-20 03:47:53,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:47:53,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-20 03:47:53,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=104, Unknown=1, NotChecked=0, Total=132 [2019-11-20 03:47:53,527 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand 12 states. [2019-11-20 03:47:59,509 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2019-11-20 03:48:30,573 WARN L191 SmtUtils]: Spent 25.03 s on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2019-11-20 03:49:21,287 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 30 [2019-11-20 03:49:47,471 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-11-20 03:50:34,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:50:34,473 INFO L93 Difference]: Finished difference Result 197 states and 270 transitions. [2019-11-20 03:50:34,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-20 03:50:34,476 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2019-11-20 03:50:34,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:50:34,479 INFO L225 Difference]: With dead ends: 197 [2019-11-20 03:50:34,480 INFO L226 Difference]: Without dead ends: 152 [2019-11-20 03:50:34,481 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 66.8s TimeCoverageRelationStatistics Valid=125, Invalid=288, Unknown=7, NotChecked=0, Total=420 [2019-11-20 03:50:34,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2019-11-20 03:50:34,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 55. [2019-11-20 03:50:34,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-20 03:50:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2019-11-20 03:50:34,497 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 13 [2019-11-20 03:50:34,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:50:34,497 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2019-11-20 03:50:34,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-20 03:50:34,498 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2019-11-20 03:50:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 03:50:34,499 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:50:34,499 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:50:34,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 03:50:34,722 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:50:34,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:50:34,723 INFO L82 PathProgramCache]: Analyzing trace with hash 734189607, now seen corresponding path program 1 times [2019-11-20 03:50:34,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:50:34,724 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755790568] [2019-11-20 03:50:34,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 03:50:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:50:34,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 03:50:34,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:50:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:50:34,925 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:50:34,927 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:50:34,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:50:34,988 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755790568] [2019-11-20 03:50:34,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:50:34,988 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-20 03:50:34,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398400317] [2019-11-20 03:50:34,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-20 03:50:34,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:50:34,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-20 03:50:34,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-20 03:50:34,990 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand 9 states. [2019-11-20 03:50:36,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:50:36,526 INFO L93 Difference]: Finished difference Result 76 states and 97 transitions. [2019-11-20 03:50:36,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 03:50:36,526 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-11-20 03:50:36,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:50:36,527 INFO L225 Difference]: With dead ends: 76 [2019-11-20 03:50:36,528 INFO L226 Difference]: Without dead ends: 73 [2019-11-20 03:50:36,528 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-20 03:50:36,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2019-11-20 03:50:36,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2019-11-20 03:50:36,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2019-11-20 03:50:36,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2019-11-20 03:50:36,539 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 15 [2019-11-20 03:50:36,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:50:36,540 INFO L462 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2019-11-20 03:50:36,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-20 03:50:36,540 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2019-11-20 03:50:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 03:50:36,541 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:50:36,541 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:50:36,746 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 03:50:36,746 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:50:36,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:50:36,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1151454894, now seen corresponding path program 1 times [2019-11-20 03:50:36,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:50:36,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174461368] [2019-11-20 03:50:36,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-20 03:50:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:50:36,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 03:50:36,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:50:36,974 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 69 [2019-11-20 03:50:36,982 INFO L172 IndexEqualityManager]: detected equality via solver [2019-11-20 03:50:36,984 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2019-11-20 03:50:36,985 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:50:37,020 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,028 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2019-11-20 03:50:37,028 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 03:50:37,051 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,056 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,057 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 16 [2019-11-20 03:50:37,057 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 03:50:37,070 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,070 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:50:37,086 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,087 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-20 03:50:37,087 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:82, output treesize:27 [2019-11-20 03:50:37,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:50:37,366 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:50:37,629 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,630 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 74 treesize of output 74 [2019-11-20 03:50:37,710 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,711 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 9 case distinctions, treesize of input 58 treesize of output 71 [2019-11-20 03:50:37,712 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-20 03:50:37,741 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,755 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 28 [2019-11-20 03:50:37,756 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-20 03:50:37,780 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,789 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,789 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 30 [2019-11-20 03:50:37,790 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-20 03:50:37,803 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,804 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-20 03:50:37,831 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-20 03:50:37,831 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-11-20 03:50:37,832 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:92, output treesize:42 [2019-11-20 03:50:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:50:37,972 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174461368] [2019-11-20 03:50:37,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:50:37,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-11-20 03:50:37,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844981304] [2019-11-20 03:50:37,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-20 03:50:37,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:50:37,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 03:50:37,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2019-11-20 03:50:37,973 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand 14 states. [2019-11-20 03:50:38,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:50:38,400 INFO L93 Difference]: Finished difference Result 64 states and 85 transitions. [2019-11-20 03:50:38,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 03:50:38,403 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 16 [2019-11-20 03:50:38,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:50:38,403 INFO L225 Difference]: With dead ends: 64 [2019-11-20 03:50:38,403 INFO L226 Difference]: Without dead ends: 20 [2019-11-20 03:50:38,404 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2019-11-20 03:50:38,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-20 03:50:38,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-20 03:50:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-20 03:50:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2019-11-20 03:50:38,409 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 16 [2019-11-20 03:50:38,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:50:38,409 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2019-11-20 03:50:38,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-20 03:50:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2019-11-20 03:50:38,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 03:50:38,410 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 03:50:38,410 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 03:50:38,622 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 03:50:38,623 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 03:50:38,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:50:38,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1071102724, now seen corresponding path program 1 times [2019-11-20 03:50:38,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 03:50:38,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470111205] [2019-11-20 03:50:38,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-11-20 03:50:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:50:38,755 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 03:50:38,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 03:50:38,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:50:38,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:50:38,917 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 03:50:38,918 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 03:50:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:50:39,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470111205] [2019-11-20 03:50:39,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 03:50:39,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2019-11-20 03:50:39,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263114779] [2019-11-20 03:50:39,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-20 03:50:39,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 03:50:39,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-20 03:50:39,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2019-11-20 03:50:39,164 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 16 states. [2019-11-20 03:50:39,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 03:50:39,569 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2019-11-20 03:50:39,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-20 03:50:39,570 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2019-11-20 03:50:39,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 03:50:39,570 INFO L225 Difference]: With dead ends: 20 [2019-11-20 03:50:39,570 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 03:50:39,571 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2019-11-20 03:50:39,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 03:50:39,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 03:50:39,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 03:50:39,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 03:50:39,572 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-11-20 03:50:39,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 03:50:39,572 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 03:50:39,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-20 03:50:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 03:50:39,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:50:39,773 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-20 03:50:39,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 03:50:40,194 INFO L444 ceAbstractionStarter]: For program point L118(lines 118 119) no Hoare annotation was computed. [2019-11-20 03:50:40,195 INFO L444 ceAbstractionStarter]: For program point L118-2(lines 23 161) no Hoare annotation was computed. [2019-11-20 03:50:40,195 INFO L444 ceAbstractionStarter]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2019-11-20 03:50:40,195 INFO L440 ceAbstractionStarter]: At program point L69-3(lines 69 70) the Hoare annotation is: false [2019-11-20 03:50:40,195 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 03:50:40,195 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 194) no Hoare annotation was computed. [2019-11-20 03:50:40,195 INFO L444 ceAbstractionStarter]: For program point L152(lines 152 157) no Hoare annotation was computed. [2019-11-20 03:50:40,195 INFO L444 ceAbstractionStarter]: For program point L152-1(lines 140 159) no Hoare annotation was computed. [2019-11-20 03:50:40,195 INFO L444 ceAbstractionStarter]: For program point L185-2(lines 185 194) no Hoare annotation was computed. [2019-11-20 03:50:40,195 INFO L444 ceAbstractionStarter]: For program point L152-2(lines 152 157) no Hoare annotation was computed. [2019-11-20 03:50:40,196 INFO L444 ceAbstractionStarter]: For program point L53(lines 23 161) no Hoare annotation was computed. [2019-11-20 03:50:40,196 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 23 161) no Hoare annotation was computed. [2019-11-20 03:50:40,196 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 60) no Hoare annotation was computed. [2019-11-20 03:50:40,196 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 105) no Hoare annotation was computed. [2019-11-20 03:50:40,196 INFO L444 ceAbstractionStarter]: For program point L104-2(lines 101 115) no Hoare annotation was computed. [2019-11-20 03:50:40,196 INFO L444 ceAbstractionStarter]: For program point L55-2(lines 55 56) no Hoare annotation was computed. [2019-11-20 03:50:40,196 INFO L440 ceAbstractionStarter]: At program point L55-3(lines 55 56) the Hoare annotation is: false [2019-11-20 03:50:40,197 INFO L440 ceAbstractionStarter]: At program point L172(lines 163 173) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start_fmod_double_#res|) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)))) |ULTIMATE.start_main_#t~short21| (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (exists ((v_skolemized_v_prenex_3_4 (_ BitVec 64)) (v_skolemized_v_prenex_4_3 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) v_skolemized_v_prenex_4_3)) (.cse0 ((_ extract 31 0) v_skolemized_v_prenex_3_4))) (and (= ULTIMATE.start_fmod_double_~lx~0 .cse0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_4) ((_ extract 62 52) v_skolemized_v_prenex_3_4) ((_ extract 51 0) v_skolemized_v_prenex_3_4)) (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~hx~0 (bvxor .cse1 (bvand (_ bv2147483648 32) .cse1))) (= ((_ extract 63 32) v_skolemized_v_prenex_3_4) .cse1) (= .cse0 ((_ extract 31 0) v_skolemized_v_prenex_4_3))))) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_31 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_31))) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x)) [2019-11-20 03:50:40,197 INFO L440 ceAbstractionStarter]: At program point L106-1(lines 101 115) the Hoare annotation is: false [2019-11-20 03:50:40,197 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 03:50:40,197 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-20 03:50:40,197 INFO L444 ceAbstractionStarter]: For program point L190-2(lines 190 193) no Hoare annotation was computed. [2019-11-20 03:50:40,197 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-11-20 03:50:40,197 INFO L444 ceAbstractionStarter]: For program point L91-2(lines 87 98) no Hoare annotation was computed. [2019-11-20 03:50:40,197 INFO L444 ceAbstractionStarter]: For program point L58-2(lines 58 59) no Hoare annotation was computed. [2019-11-20 03:50:40,197 INFO L440 ceAbstractionStarter]: At program point L58-3(lines 58 59) the Hoare annotation is: false [2019-11-20 03:50:40,198 INFO L444 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2019-11-20 03:50:40,198 INFO L444 ceAbstractionStarter]: For program point L142(lines 142 151) no Hoare annotation was computed. [2019-11-20 03:50:40,198 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 45) no Hoare annotation was computed. [2019-11-20 03:50:40,198 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2019-11-20 03:50:40,198 INFO L440 ceAbstractionStarter]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (or (fp.lt ULTIMATE.start_fmod_double_~y (_ +zero 11 53)) (fp.gt ULTIMATE.start_fmod_double_~y (_ +zero 11 53))) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x)) [2019-11-20 03:50:40,199 INFO L444 ceAbstractionStarter]: For program point L110(lines 110 111) no Hoare annotation was computed. [2019-11-20 03:50:40,199 INFO L440 ceAbstractionStarter]: At program point L160(lines 23 161) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) |ULTIMATE.start_fmod_double_#res|) (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (exists ((v_skolemized_v_prenex_3_4 (_ BitVec 64)) (v_skolemized_v_prenex_4_3 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) v_skolemized_v_prenex_4_3)) (.cse0 ((_ extract 31 0) v_skolemized_v_prenex_3_4))) (and (= ULTIMATE.start_fmod_double_~lx~0 .cse0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_4) ((_ extract 62 52) v_skolemized_v_prenex_3_4) ((_ extract 51 0) v_skolemized_v_prenex_3_4)) (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~hx~0 (bvxor .cse1 (bvand (_ bv2147483648 32) .cse1))) (= ((_ extract 63 32) v_skolemized_v_prenex_3_4) .cse1) (= .cse0 ((_ extract 31 0) v_skolemized_v_prenex_4_3))))) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_31 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_31))) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x)) [2019-11-20 03:50:40,199 INFO L440 ceAbstractionStarter]: At program point L127-2(lines 127 131) the Hoare annotation is: false [2019-11-20 03:50:40,199 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 03:50:40,199 INFO L444 ceAbstractionStarter]: For program point L127-3(lines 23 161) no Hoare annotation was computed. [2019-11-20 03:50:40,200 INFO L444 ceAbstractionStarter]: For program point L145(lines 145 151) no Hoare annotation was computed. [2019-11-20 03:50:40,200 INFO L444 ceAbstractionStarter]: For program point L79(lines 79 85) no Hoare annotation was computed. [2019-11-20 03:50:40,200 INFO L444 ceAbstractionStarter]: For program point L46(lines 46 51) no Hoare annotation was computed. [2019-11-20 03:50:40,200 INFO L444 ceAbstractionStarter]: For program point L79-2(lines 23 161) no Hoare annotation was computed. [2019-11-20 03:50:40,200 INFO L444 ceAbstractionStarter]: For program point L46-2(lines 23 161) no Hoare annotation was computed. [2019-11-20 03:50:40,201 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 48) no Hoare annotation was computed. [2019-11-20 03:50:40,201 INFO L447 ceAbstractionStarter]: At program point L196(lines 175 197) the Hoare annotation is: true [2019-11-20 03:50:40,201 INFO L444 ceAbstractionStarter]: For program point L64(lines 23 161) no Hoare annotation was computed. [2019-11-20 03:50:40,201 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-20 03:50:40,201 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 03:50:40,202 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 191) no Hoare annotation was computed. [2019-11-20 03:50:40,202 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-11-20 03:50:40,202 INFO L444 ceAbstractionStarter]: For program point L132(lines 132 159) no Hoare annotation was computed. [2019-11-20 03:50:40,202 INFO L444 ceAbstractionStarter]: For program point L33(lines 33 38) no Hoare annotation was computed. [2019-11-20 03:50:40,202 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 23 161) no Hoare annotation was computed. [2019-11-20 03:50:40,202 INFO L444 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2019-11-20 03:50:40,203 INFO L444 ceAbstractionStarter]: For program point L33-2(lines 33 38) no Hoare annotation was computed. [2019-11-20 03:50:40,203 INFO L440 ceAbstractionStarter]: At program point L66-3(lines 66 67) the Hoare annotation is: false [2019-11-20 03:50:40,203 INFO L444 ceAbstractionStarter]: For program point L166-1(lines 166 170) no Hoare annotation was computed. [2019-11-20 03:50:40,203 INFO L440 ceAbstractionStarter]: At program point L166-2(lines 166 170) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= ULTIMATE.start_main_~res~0 (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start_fmod_double_#res|) |ULTIMATE.start_main_#t~short21| (not (= (_ bv0 32) (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0))) (exists ((v_skolemized_v_prenex_3_4 (_ BitVec 64)) (v_skolemized_v_prenex_4_3 (_ BitVec 64))) (let ((.cse1 ((_ extract 63 32) v_skolemized_v_prenex_4_3)) (.cse0 ((_ extract 31 0) v_skolemized_v_prenex_3_4))) (and (= ULTIMATE.start_fmod_double_~lx~0 .cse0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_3_4) ((_ extract 62 52) v_skolemized_v_prenex_3_4) ((_ extract 51 0) v_skolemized_v_prenex_3_4)) (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~hx~0 (bvxor .cse1 (bvand (_ bv2147483648 32) .cse1))) (= ((_ extract 63 32) v_skolemized_v_prenex_3_4) .cse1) (= .cse0 ((_ extract 31 0) v_skolemized_v_prenex_4_3))))) (exists ((v_ULTIMATE.start_fmod_double_~hy~0_31 (_ BitVec 32))) (= ULTIMATE.start_fmod_double_~hy~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start_fmod_double_~hy~0_31))) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x)) [2019-11-20 03:50:40,204 INFO L444 ceAbstractionStarter]: For program point L166-3(lines 166 170) no Hoare annotation was computed. [2019-11-20 03:50:40,204 INFO L444 ceAbstractionStarter]: For program point L134-1(lines 134 139) no Hoare annotation was computed. [2019-11-20 03:50:40,204 INFO L444 ceAbstractionStarter]: For program point L101-1(lines 101 115) no Hoare annotation was computed. [2019-11-20 03:50:40,204 INFO L440 ceAbstractionStarter]: At program point L134-2(lines 134 139) the Hoare annotation is: false [2019-11-20 03:50:40,204 INFO L444 ceAbstractionStarter]: For program point L101-3(lines 101 115) no Hoare annotation was computed. [2019-11-20 03:50:40,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,211 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2019-11-20 03:50:40,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2019-11-20 03:50:40,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2019-11-20 03:50:40,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2019-11-20 03:50:40,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,231 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,231 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,231 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,231 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,232 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,232 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,232 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2019-11-20 03:50:40,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2019-11-20 03:50:40,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 03:50:40 BoogieIcfgContainer [2019-11-20 03:50:40,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 03:50:40,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:50:40,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:50:40,239 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:50:40,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:47:32" (3/4) ... [2019-11-20 03:50:40,243 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:50:40,255 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 03:50:40,255 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 03:50:40,256 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 03:50:40,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7ad42516-d390-478e-b21d-a3cf773c3217/bin/uautomizer/witness.graphml [2019-11-20 03:50:40,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:50:40,301 INFO L168 Benchmark]: Toolchain (without parser) took 192439.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 955.1 MB in the beginning and 920.6 MB in the end (delta: 34.4 MB). Peak memory consumption was 199.1 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:40,301 INFO L168 Benchmark]: CDTParser took 0.34 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. [2019-11-20 03:50:40,302 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:40,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.16 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. [2019-11-20 03:50:40,303 INFO L168 Benchmark]: Boogie Preprocessor took 101.84 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:40,303 INFO L168 Benchmark]: RCFGBuilder took 3848.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:40,304 INFO L168 Benchmark]: TraceAbstraction took 187818.66 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.0 GB in the beginning and 920.6 MB in the end (delta: 106.3 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. [2019-11-20 03:50:40,304 INFO L168 Benchmark]: Witness Printer took 60.70 ms. Allocated memory is still 1.2 GB. Free memory is still 920.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:50:40,307 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 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 502.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 955.1 MB in the beginning and 1.1 GB in the end (delta: -119.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.16 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 101.84 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3848.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 187818.66 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 79.2 MB). Free memory was 1.0 GB in the beginning and 920.6 MB in the end (delta: 106.3 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. * Witness Printer took 60.70 ms. Allocated memory is still 1.2 GB. Free memory is still 920.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 191]: 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: 66]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant [2019-11-20 03:50:40,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,322 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,323 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2019-11-20 03:50:40,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] Derived loop invariant: ((((~Pluszero~LONGDOUBLE() == x && ~Pluszero~LONGDOUBLE() == \result) && !(0bv32 == ~bvor32(hy, ly))) && (\exists v_skolemized_v_prenex_3_4 : bv64, v_skolemized_v_prenex_4_3 : bv64 :: (((lx == v_skolemized_v_prenex_3_4[31:0] && ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_4[63:63], v_skolemized_v_prenex_3_4[62:52], v_skolemized_v_prenex_3_4[51:0]) == ~Pluszero~LONGDOUBLE()) && hx == ~bvxor32(v_skolemized_v_prenex_4_3[63:32], ~bvand32(2147483648bv32, v_skolemized_v_prenex_4_3[63:32]))) && v_skolemized_v_prenex_3_4[63:32] == v_skolemized_v_prenex_4_3[63:32]) && v_skolemized_v_prenex_3_4[31:0] == v_skolemized_v_prenex_4_3[31:0])) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 163]: Loop Invariant [2019-11-20 03:50:40,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2019-11-20 03:50:40,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2019-11-20 03:50:40,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] Derived loop invariant: (((((((((\result == 0bv32 && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == x) && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result) && (\exists v_skolemized_q#valueAsBitvector_9 : bv64 :: ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && msw == v_skolemized_q#valueAsBitvector_9[63:32])) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && !(0bv32 == ~bvor32(hy, ly))) && (\exists v_skolemized_v_prenex_3_4 : bv64, v_skolemized_v_prenex_4_3 : bv64 :: (((lx == v_skolemized_v_prenex_3_4[31:0] && ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_4[63:63], v_skolemized_v_prenex_3_4[62:52], v_skolemized_v_prenex_3_4[51:0]) == ~Pluszero~LONGDOUBLE()) && hx == ~bvxor32(v_skolemized_v_prenex_4_3[63:32], ~bvand32(2147483648bv32, v_skolemized_v_prenex_4_3[63:32]))) && v_skolemized_v_prenex_3_4[63:32] == v_skolemized_v_prenex_4_3[63:32]) && v_skolemized_v_prenex_3_4[31:0] == v_skolemized_v_prenex_4_3[31:0])) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (~Pluszero~LONGDOUBLE() == x && (~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) || ~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE()))) && ~Pluszero~LONGDOUBLE() == x - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 166]: Loop Invariant [2019-11-20 03:50:40,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2019-11-20 03:50:40,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_3_4,QUANTIFIED] [2019-11-20 03:50:40,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_4_3,QUANTIFIED] [2019-11-20 03:50:40,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] Derived loop invariant: (((((((~Pluszero~LONGDOUBLE() == x && ~Pluszero~LONGDOUBLE() == x) && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == \result) && aux-res == 0.0 && __signbit_double(res) == 0-aux) && !(0bv32 == ~bvor32(hy, ly))) && (\exists v_skolemized_v_prenex_3_4 : bv64, v_skolemized_v_prenex_4_3 : bv64 :: (((lx == v_skolemized_v_prenex_3_4[31:0] && ~fp~LONGDOUBLE(v_skolemized_v_prenex_3_4[63:63], v_skolemized_v_prenex_3_4[62:52], v_skolemized_v_prenex_3_4[51:0]) == ~Pluszero~LONGDOUBLE()) && hx == ~bvxor32(v_skolemized_v_prenex_4_3[63:32], ~bvand32(2147483648bv32, v_skolemized_v_prenex_4_3[63:32]))) && v_skolemized_v_prenex_3_4[63:32] == v_skolemized_v_prenex_4_3[63:32]) && v_skolemized_v_prenex_3_4[31:0] == v_skolemized_v_prenex_4_3[31:0])) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && ~Pluszero~LONGDOUBLE() == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Result: SAFE, OverallTime: 187.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 163.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 239 SDtfs, 866 SDslu, 604 SDs, 0 SdLazy, 339 SolverSat, 56 SolverUnsat, 53 SolverUnknown, 0 SolverNotchecked, 112.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 94 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 68.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 5 MinimizatonAttempts, 113 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 222 HoareAnnotationTreeSize, 12 FomulaSimplifications, 2234 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 20.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 37 QuantifiedInterpolants, 21537 SizeOfPredicates, 40 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...