./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 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:30:12,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:30:12,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:30:12,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:30:12,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:30:12,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:30:12,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:30:12,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:30:12,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:30:12,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:30:12,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:30:12,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:30:12,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:30:12,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:30:12,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:30:12,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:30:12,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:30:12,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:30:12,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:30:12,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:30:12,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:30:12,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:30:12,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:30:12,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:30:12,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:30:12,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:30:12,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:30:12,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:30:12,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:30:12,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:30:12,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:30:12,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:30:12,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:30:12,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:30:12,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:30:12,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:30:12,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:30:12,375 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:30:12,375 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:30:12,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:30:12,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:30:12,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-02 22:30:12,446 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:30:12,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:30:12,447 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:30:12,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:30:12,458 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:30:12,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:30:12,459 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:30:12,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:30:12,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:30:12,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:30:12,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:30:12,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:30:12,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:30:12,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:30:12,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:30:12,464 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:30:12,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:30:12,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:30:12,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:30:12,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:30:12,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:30:12,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:30:12,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:30:12,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:30:12,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:30:12,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:30:12,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:30:12,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-02 22:30:12,469 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:30:12,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:30:12,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:30:12,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:30:12,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 [2021-11-02 22:30:12,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:30:12,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:30:12,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:30:12,848 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:30:12,849 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:30:12,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2021-11-02 22:30:12,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/data/4e469d5e5/002faade58074355a39518e78bc74638/FLAG8ec157161 [2021-11-02 22:30:13,630 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:30:13,635 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2021-11-02 22:30:13,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/data/4e469d5e5/002faade58074355a39518e78bc74638/FLAG8ec157161 [2021-11-02 22:30:13,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/data/4e469d5e5/002faade58074355a39518e78bc74638 [2021-11-02 22:30:13,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:30:13,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:30:13,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:30:13,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:30:13,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:30:13,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:30:13" (1/1) ... [2021-11-02 22:30:13,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed7cecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:13, skipping insertion in model container [2021-11-02 22:30:13,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:30:13" (1/1) ... [2021-11-02 22:30:13,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:30:14,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:30:14,410 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2021-11-02 22:30:14,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:30:14,434 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:30:14,536 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2021-11-02 22:30:14,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:30:14,558 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:30:14,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14 WrapperNode [2021-11-02 22:30:14,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:30:14,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:30:14,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:30:14,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:30:14,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14" (1/1) ... [2021-11-02 22:30:14,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14" (1/1) ... [2021-11-02 22:30:14,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:30:14,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:30:14,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:30:14,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:30:14,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14" (1/1) ... [2021-11-02 22:30:14,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14" (1/1) ... [2021-11-02 22:30:14,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14" (1/1) ... [2021-11-02 22:30:14,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14" (1/1) ... [2021-11-02 22:30:14,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14" (1/1) ... [2021-11-02 22:30:14,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14" (1/1) ... [2021-11-02 22:30:14,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14" (1/1) ... [2021-11-02 22:30:14,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:30:14,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:30:14,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:30:14,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:30:14,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14" (1/1) ... [2021-11-02 22:30:14,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:30:14,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:14,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:14,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:30:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:30:14,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:30:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-02 22:30:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-02 22:30:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-02 22:30:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:30:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:30:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-02 22:30:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-02 22:30:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:30:15,640 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:30:15,641 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-11-02 22:30:15,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:30:15 BoogieIcfgContainer [2021-11-02 22:30:15,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:30:15,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:30:15,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:30:15,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:30:15,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:30:13" (1/3) ... [2021-11-02 22:30:15,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afb3f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:30:15, skipping insertion in model container [2021-11-02 22:30:15,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:14" (2/3) ... [2021-11-02 22:30:15,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6afb3f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:30:15, skipping insertion in model container [2021-11-02 22:30:15,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:30:15" (3/3) ... [2021-11-02 22:30:15,656 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2021-11-02 22:30:15,664 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:30:15,664 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:30:15,729 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:30:15,738 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 22:30:15,739 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-02 22:30:15,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 59 states have (on average 1.7966101694915255) internal successors, (106), 60 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:30:15,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-02 22:30:15,768 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:30:15,769 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:30:15,770 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:30:15,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:15,778 INFO L85 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2021-11-02 22:30:15,790 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:15,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535580463] [2021-11-02 22:30:15,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:15,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:16,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:30:16,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:30:16,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535580463] [2021-11-02 22:30:16,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535580463] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:30:16,005 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:30:16,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-02 22:30:16,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791190428] [2021-11-02 22:30:16,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:30:16,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:30:16,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:30:16,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:30:16,046 INFO L87 Difference]: Start difference. First operand has 61 states, 59 states have (on average 1.7966101694915255) internal successors, (106), 60 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:30:16,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:30:16,102 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2021-11-02 22:30:16,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:30:16,104 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-02 22:30:16,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:30:16,115 INFO L225 Difference]: With dead ends: 119 [2021-11-02 22:30:16,116 INFO L226 Difference]: Without dead ends: 57 [2021-11-02 22:30:16,119 INFO L786 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 [2021-11-02 22:30:16,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-11-02 22:30:16,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-11-02 22:30:16,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.5) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:30:16,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2021-11-02 22:30:16,166 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2021-11-02 22:30:16,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:30:16,167 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2021-11-02 22:30:16,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:30:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2021-11-02 22:30:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-02 22:30:16,170 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:30:16,170 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:30:16,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-02 22:30:16,171 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:30:16,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:16,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2021-11-02 22:30:16,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:30:16,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761375580] [2021-11-02 22:30:16,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:16,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:30:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:30:16,265 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:30:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:30:16,407 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:30:16,408 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-02 22:30:16,410 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:30:16,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-02 22:30:16,417 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-02 22:30:16,421 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:30:16,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:30:16 BoogieIcfgContainer [2021-11-02 22:30:16,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:30:16,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:30:16,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:30:16,483 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:30:16,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:30:15" (3/4) ... [2021-11-02 22:30:16,491 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:30:16,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:30:16,496 INFO L168 Benchmark]: Toolchain (without parser) took 2566.40 ms. Allocated memory was 98.6 MB in the beginning and 142.6 MB in the end (delta: 44.0 MB). Free memory was 62.6 MB in the beginning and 62.7 MB in the end (delta: -74.0 kB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2021-11-02 22:30:16,498 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 98.6 MB. Free memory was 71.6 MB in the beginning and 71.6 MB in the end (delta: 24.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:30:16,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 626.81 ms. Allocated memory was 98.6 MB in the beginning and 142.6 MB in the end (delta: 44.0 MB). Free memory was 62.6 MB in the beginning and 114.3 MB in the end (delta: -51.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:30:16,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.26 ms. Allocated memory is still 142.6 MB. Free memory was 114.3 MB in the beginning and 111.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:30:16,511 INFO L168 Benchmark]: Boogie Preprocessor took 97.53 ms. Allocated memory is still 142.6 MB. Free memory was 111.7 MB in the beginning and 109.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:30:16,512 INFO L168 Benchmark]: RCFGBuilder took 881.66 ms. Allocated memory is still 142.6 MB. Free memory was 109.6 MB in the beginning and 91.3 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:30:16,512 INFO L168 Benchmark]: TraceAbstraction took 834.15 ms. Allocated memory is still 142.6 MB. Free memory was 90.7 MB in the beginning and 62.7 MB in the end (delta: 28.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:30:16,513 INFO L168 Benchmark]: Witness Printer took 10.50 ms. Allocated memory is still 142.6 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:30:16,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 98.6 MB. Free memory was 71.6 MB in the beginning and 71.6 MB in the end (delta: 24.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 626.81 ms. Allocated memory was 98.6 MB in the beginning and 142.6 MB in the end (delta: 44.0 MB). Free memory was 62.6 MB in the beginning and 114.3 MB in the end (delta: -51.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.26 ms. Allocated memory is still 142.6 MB. Free memory was 114.3 MB in the beginning and 111.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.53 ms. Allocated memory is still 142.6 MB. Free memory was 111.7 MB in the beginning and 109.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 881.66 ms. Allocated memory is still 142.6 MB. Free memory was 109.6 MB in the beginning and 91.3 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 834.15 ms. Allocated memory is still 142.6 MB. Free memory was 90.7 MB in the beginning and 62.7 MB in the end (delta: 28.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 10.50 ms. Allocated memory is still 142.6 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 193]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 192, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={6:0}] [L184] double x = 0.0; [L185] double y = __VERIFIER_nondet_double(); [L187] COND TRUE y < 0.0 || y > 0.0 [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [one_fmod=1, Zero_fmod={6:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [one_fmod=1, Zero_fmod={6:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={6:0}] [L189] double res = fmod_double(x, y); [L192] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_fmod=1, Zero_fmod={6:0}] [L192] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L193] reach_error() VAL [one_fmod=1, Zero_fmod={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 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, InterpolantAutomatonStates: 2, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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, ACCELERATED_INTERPOLATION: 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 [2021-11-02 22:30:16,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:30:19,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:30:19,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:30:19,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:30:19,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:30:19,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:30:19,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:30:19,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:30:19,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:30:19,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:30:19,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:30:19,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:30:19,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:30:19,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:30:19,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:30:19,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:30:19,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:30:19,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:30:19,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:30:19,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:30:19,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:30:19,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:30:19,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:30:19,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:30:19,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:30:19,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:30:19,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:30:19,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:30:19,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:30:19,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:30:19,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:30:19,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:30:19,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:30:19,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:30:19,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:30:19,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:30:19,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:30:19,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:30:19,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:30:19,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:30:19,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:30:19,959 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-11-02 22:30:19,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:30:20,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:30:20,000 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:30:20,000 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:30:20,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:30:20,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:30:20,002 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:30:20,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:30:20,003 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:30:20,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:30:20,004 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:30:20,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-02 22:30:20,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-02 22:30:20,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-02 22:30:20,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-02 22:30:20,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-02 22:30:20,005 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:30:20,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:30:20,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:30:20,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-02 22:30:20,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:30:20,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:30:20,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-02 22:30:20,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:30:20,010 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:30:20,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-02 22:30:20,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-02 22:30:20,014 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-02 22:30:20,015 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-02 22:30:20,015 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-02 22:30:20,015 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-02 22:30:20,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-02 22:30:20,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:30:20,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-02 22:30:20,017 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23d3becec5645fa497625df98df84137049a5fde6a7d2da6a420cf3c624fd037 [2021-11-02 22:30:20,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:30:20,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:30:20,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:30:20,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:30:20,567 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:30:20,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2021-11-02 22:30:20,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/data/8a081c29e/0da8516eb1ff48388106b9c20525c62a/FLAG84a1627e1 [2021-11-02 22:30:21,448 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:30:21,462 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c [2021-11-02 22:30:21,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/data/8a081c29e/0da8516eb1ff48388106b9c20525c62a/FLAG84a1627e1 [2021-11-02 22:30:21,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/data/8a081c29e/0da8516eb1ff48388106b9c20525c62a [2021-11-02 22:30:21,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:30:21,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:30:21,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:30:21,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:30:21,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:30:21,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:30:21" (1/1) ... [2021-11-02 22:30:21,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bfea870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:21, skipping insertion in model container [2021-11-02 22:30:21,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:30:21" (1/1) ... [2021-11-02 22:30:21,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:30:21,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:30:22,193 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2021-11-02 22:30:22,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:30:22,222 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:30:22,373 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/sv-benchmarks/c/float-newlib/double_req_bl_1130a.c[4166,4179] [2021-11-02 22:30:22,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:30:22,410 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:30:22,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22 WrapperNode [2021-11-02 22:30:22,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:30:22,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:30:22,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:30:22,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:30:22,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22" (1/1) ... [2021-11-02 22:30:22,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22" (1/1) ... [2021-11-02 22:30:22,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:30:22,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:30:22,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:30:22,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:30:22,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22" (1/1) ... [2021-11-02 22:30:22,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22" (1/1) ... [2021-11-02 22:30:22,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22" (1/1) ... [2021-11-02 22:30:22,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22" (1/1) ... [2021-11-02 22:30:22,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22" (1/1) ... [2021-11-02 22:30:22,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22" (1/1) ... [2021-11-02 22:30:22,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22" (1/1) ... [2021-11-02 22:30:22,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:30:22,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:30:22,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:30:22,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:30:22,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22" (1/1) ... [2021-11-02 22:30:22,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-02 22:30:22,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:30:22,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-02 22:30:22,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-02 22:30:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-02 22:30:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-02 22:30:22,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-02 22:30:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:30:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-02 22:30:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-02 22:30:22,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:30:22,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:30:22,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-02 22:30:22,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-02 22:30:26,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:30:26,637 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-11-02 22:30:26,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:30:26 BoogieIcfgContainer [2021-11-02 22:30:26,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:30:26,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-02 22:30:26,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-02 22:30:26,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-02 22:30:26,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 10:30:21" (1/3) ... [2021-11-02 22:30:26,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31237d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:30:26, skipping insertion in model container [2021-11-02 22:30:26,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:30:22" (2/3) ... [2021-11-02 22:30:26,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31237d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 10:30:26, skipping insertion in model container [2021-11-02 22:30:26,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:30:26" (3/3) ... [2021-11-02 22:30:26,651 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1130a.c [2021-11-02 22:30:26,659 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-02 22:30:26,659 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-02 22:30:26,724 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-02 22:30:26,732 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-02 22:30:26,733 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-02 22:30:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 59 states have (on average 1.7966101694915255) internal successors, (106), 60 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:30:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-02 22:30:26,759 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:30:26,760 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:30:26,761 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:30:26,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:26,768 INFO L85 PathProgramCache]: Analyzing trace with hash 464220005, now seen corresponding path program 1 times [2021-11-02 22:30:26,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:30:26,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478447929] [2021-11-02 22:30:26,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:26,786 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:30:26,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:30:26,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:30:26,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-02 22:30:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:28,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-02 22:30:28,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:30:28,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:30:28,238 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:30:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:30:28,372 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:30:28,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478447929] [2021-11-02 22:30:28,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478447929] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:30:28,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:30:28,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-02 22:30:28,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726233031] [2021-11-02 22:30:28,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-02 22:30:28,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:30:28,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-02 22:30:28,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-02 22:30:28,424 INFO L87 Difference]: Start difference. First operand has 61 states, 59 states have (on average 1.7966101694915255) internal successors, (106), 60 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:30:28,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:30:28,471 INFO L93 Difference]: Finished difference Result 119 states and 208 transitions. [2021-11-02 22:30:28,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-02 22:30:28,473 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-02 22:30:28,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:30:28,486 INFO L225 Difference]: With dead ends: 119 [2021-11-02 22:30:28,487 INFO L226 Difference]: Without dead ends: 57 [2021-11-02 22:30:28,490 INFO L786 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 [2021-11-02 22:30:28,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-11-02 22:30:28,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-11-02 22:30:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.5) internal successors, (84), 56 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:30:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 84 transitions. [2021-11-02 22:30:28,556 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 84 transitions. Word has length 11 [2021-11-02 22:30:28,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:30:28,556 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 84 transitions. [2021-11-02 22:30:28,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:30:28,557 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2021-11-02 22:30:28,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-02 22:30:28,559 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:30:28,559 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:30:28,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:30:28,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:30:28,771 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:30:28,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:30:28,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1051323842, now seen corresponding path program 1 times [2021-11-02 22:30:28,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:30:28,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366567333] [2021-11-02 22:30:28,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:30:28,774 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:30:28,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:30:28,776 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:30:28,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-02 22:30:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:30:30,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-02 22:30:30,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:30:30,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-11-02 22:30:31,565 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:30:31,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 71 [2021-11-02 22:30:31,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 18 treesize of output 12 [2021-11-02 22:30:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:30:35,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:30:37,436 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:30:37,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 109 [2021-11-02 22:30:37,680 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-02 22:30:37,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 123 [2021-11-02 22:30:38,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 treesize of output 11 [2021-11-02 22:30:40,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:30:40,354 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:30:40,355 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1366567333] [2021-11-02 22:30:40,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1366567333] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:30:40,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:30:40,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2021-11-02 22:30:40,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432878409] [2021-11-02 22:30:40,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-02 22:30:40,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:30:40,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-02 22:30:40,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=104, Unknown=1, NotChecked=0, Total=132 [2021-11-02 22:30:40,360 INFO L87 Difference]: Start difference. First operand 57 states and 84 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:06,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:32:06,023 INFO L93 Difference]: Finished difference Result 179 states and 252 transitions. [2021-11-02 22:32:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-02 22:32:06,025 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-02 22:32:06,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:32:06,028 INFO L225 Difference]: With dead ends: 179 [2021-11-02 22:32:06,028 INFO L226 Difference]: Without dead ends: 134 [2021-11-02 22:32:06,030 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=104, Invalid=273, Unknown=3, NotChecked=0, Total=380 [2021-11-02 22:32:06,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-11-02 22:32:06,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 55. [2021-11-02 22:32:06,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:06,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 77 transitions. [2021-11-02 22:32:06,046 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 77 transitions. Word has length 13 [2021-11-02 22:32:06,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:32:06,047 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 77 transitions. [2021-11-02 22:32:06,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 77 transitions. [2021-11-02 22:32:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-02 22:32:06,049 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:32:06,049 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:32:06,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:32:06,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:32:06,264 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:32:06,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:32:06,266 INFO L85 PathProgramCache]: Analyzing trace with hash 734189607, now seen corresponding path program 1 times [2021-11-02 22:32:06,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:32:06,267 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392729151] [2021-11-02 22:32:06,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:32:06,267 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:32:06,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:32:06,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:32:06,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-02 22:32:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:32:06,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-02 22:32:06,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:32:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:32:07,028 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:32:07,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:32:07,583 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:32:07,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392729151] [2021-11-02 22:32:07,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392729151] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:32:07,584 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:32:07,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2021-11-02 22:32:07,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461395682] [2021-11-02 22:32:07,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-02 22:32:07,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:32:07,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-02 22:32:07,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-02 22:32:07,587 INFO L87 Difference]: Start difference. First operand 55 states and 77 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:10,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:32:10,756 INFO L93 Difference]: Finished difference Result 76 states and 97 transitions. [2021-11-02 22:32:10,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-02 22:32:10,757 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-02 22:32:10,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:32:10,759 INFO L225 Difference]: With dead ends: 76 [2021-11-02 22:32:10,759 INFO L226 Difference]: Without dead ends: 73 [2021-11-02 22:32:10,760 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-11-02 22:32:10,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-02 22:32:10,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 57. [2021-11-02 22:32:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 56 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2021-11-02 22:32:10,777 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 15 [2021-11-02 22:32:10,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:32:10,777 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2021-11-02 22:32:10,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2021-11-02 22:32:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-02 22:32:10,779 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:32:10,780 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:32:10,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:32:10,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:32:10,996 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:32:10,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:32:10,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1151454894, now seen corresponding path program 1 times [2021-11-02 22:32:10,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:32:10,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748919279] [2021-11-02 22:32:10,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:32:10,998 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:32:10,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:32:11,002 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:32:11,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-02 22:32:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:32:11,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-02 22:32:11,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:32:11,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-11-02 22:32:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:32:13,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:32:14,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2021-11-02 22:32:15,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:32:15,295 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:32:15,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748919279] [2021-11-02 22:32:15,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748919279] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:32:15,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:32:15,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2021-11-02 22:32:15,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298774822] [2021-11-02 22:32:15,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-02 22:32:15,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:32:15,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-02 22:32:15,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2021-11-02 22:32:15,299 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:16,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:32:16,377 INFO L93 Difference]: Finished difference Result 64 states and 85 transitions. [2021-11-02 22:32:16,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-02 22:32:16,379 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-02 22:32:16,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:32:16,380 INFO L225 Difference]: With dead ends: 64 [2021-11-02 22:32:16,380 INFO L226 Difference]: Without dead ends: 20 [2021-11-02 22:32:16,381 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2021-11-02 22:32:16,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-02 22:32:16,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-02 22:32:16,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.0) internal successors, (19), 19 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2021-11-02 22:32:16,401 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 16 [2021-11-02 22:32:16,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:32:16,401 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2021-11-02 22:32:16,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2021-11-02 22:32:16,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-02 22:32:16,403 INFO L505 BasicCegarLoop]: Found error trace [2021-11-02 22:32:16,403 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:32:16,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:32:16,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:32:16,604 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-02 22:32:16,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:32:16,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1071102724, now seen corresponding path program 1 times [2021-11-02 22:32:16,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-02 22:32:16,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077011742] [2021-11-02 22:32:16,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:32:16,606 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-02 22:32:16,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat [2021-11-02 22:32:16,607 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-02 22:32:16,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-02 22:32:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:32:16,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-02 22:32:16,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:32:18,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:32:18,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-02 22:32:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:32:20,236 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-02 22:32:20,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077011742] [2021-11-02 22:32:20,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077011742] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-02 22:32:20,237 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:32:20,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 16 [2021-11-02 22:32:20,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464458974] [2021-11-02 22:32:20,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-02 22:32:20,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-02 22:32:20,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-02 22:32:20,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-11-02 22:32:20,240 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:21,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:32:21,632 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2021-11-02 22:32:21,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-02 22:32:21,633 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-02 22:32:21,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-02 22:32:21,634 INFO L225 Difference]: With dead ends: 20 [2021-11-02 22:32:21,634 INFO L226 Difference]: Without dead ends: 0 [2021-11-02 22:32:21,635 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2021-11-02 22:32:21,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-02 22:32:21,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-02 22:32:21,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:21,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-02 22:32:21,642 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2021-11-02 22:32:21,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-02 22:32:21,642 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:32:21,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:32:21,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:32:21,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-02 22:32:21,646 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-02 22:32:21,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-02 22:32:21,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/mathsat -unsat_core_generation=3 [2021-11-02 22:32:21,866 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-02 22:32:21,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:21,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:21,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:21,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:21,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:21,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:21,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:21,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:22,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:22,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:22,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:22,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-02 22:32:22,877 INFO L857 garLoopResultBuilder]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2021-11-02 22:32:22,878 INFO L853 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2021-11-02 22:32:22,878 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2021-11-02 22:32:22,878 INFO L853 garLoopResultBuilder]: At program point L168-2(lines 168 172) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short21| (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (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) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (not (= (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0) (_ bv0 32))) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|)) (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start_fmod_double_~lx~0)))) [2021-11-02 22:32:22,878 INFO L857 garLoopResultBuilder]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2021-11-02 22:32:22,879 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-02 22:32:22,879 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2021-11-02 22:32:22,879 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2021-11-02 22:32:22,880 INFO L853 garLoopResultBuilder]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2021-11-02 22:32:22,880 INFO L857 garLoopResultBuilder]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2021-11-02 22:32:22,880 INFO L857 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2021-11-02 22:32:22,880 INFO L857 garLoopResultBuilder]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2021-11-02 22:32:22,880 INFO L857 garLoopResultBuilder]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2021-11-02 22:32:22,881 INFO L853 garLoopResultBuilder]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2021-11-02 22:32:22,881 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2021-11-02 22:32:22,881 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2021-11-02 22:32:22,881 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2021-11-02 22:32:22,881 INFO L857 garLoopResultBuilder]: For program point L187-2(lines 187 196) no Hoare annotation was computed. [2021-11-02 22:32:22,881 INFO L857 garLoopResultBuilder]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2021-11-02 22:32:22,882 INFO L857 garLoopResultBuilder]: For program point L55(lines 25 163) no Hoare annotation was computed. [2021-11-02 22:32:22,882 INFO L857 garLoopResultBuilder]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2021-11-02 22:32:22,882 INFO L857 garLoopResultBuilder]: For program point L56(lines 56 62) no Hoare annotation was computed. [2021-11-02 22:32:22,882 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2021-11-02 22:32:22,883 INFO L857 garLoopResultBuilder]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2021-11-02 22:32:22,883 INFO L857 garLoopResultBuilder]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2021-11-02 22:32:22,883 INFO L853 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2021-11-02 22:32:22,883 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-02 22:32:22,884 INFO L853 garLoopResultBuilder]: At program point L174(lines 165 175) the Hoare annotation is: (and (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) |ULTIMATE.start_main_#t~short21| (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (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) (= (_ +zero 11 53) ULTIMATE.start___signbit_double_~x) (= (_ +zero 11 53) ULTIMATE.start_main_~res~0) (not (= (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0) (_ bv0 32))) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|)) (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start_fmod_double_~lx~0))) (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64))) (and (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|) ULTIMATE.start___signbit_double_~msw~0) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|)))))) [2021-11-02 22:32:22,884 INFO L853 garLoopResultBuilder]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2021-11-02 22:32:22,884 INFO L857 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-11-02 22:32:22,885 INFO L857 garLoopResultBuilder]: For program point L192-2(lines 192 195) no Hoare annotation was computed. [2021-11-02 22:32:22,885 INFO L857 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-11-02 22:32:22,885 INFO L857 garLoopResultBuilder]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2021-11-02 22:32:22,885 INFO L857 garLoopResultBuilder]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2021-11-02 22:32:22,886 INFO L853 garLoopResultBuilder]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2021-11-02 22:32:22,886 INFO L857 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-11-02 22:32:22,886 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-02 22:32:22,886 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 153) no Hoare annotation was computed. [2021-11-02 22:32:22,887 INFO L857 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2021-11-02 22:32:22,887 INFO L857 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2021-11-02 22:32:22,890 INFO L853 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= (_ +zero 11 53) ULTIMATE.start_fmod_double_~x) (or (fp.gt ULTIMATE.start_fmod_double_~y (_ +zero 11 53)) (fp.lt ULTIMATE.start_fmod_double_~y (_ +zero 11 53)))) [2021-11-02 22:32:22,891 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2021-11-02 22:32:22,891 INFO L853 garLoopResultBuilder]: At program point L162(lines 25 163) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= |ULTIMATE.start_fmod_double_#res| (_ +zero 11 53)) (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) (not (= (bvor ULTIMATE.start_fmod_double_~hy~0 ULTIMATE.start_fmod_double_~ly~0) (_ bv0 32))) (exists ((|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_11|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_11|)) (_ +zero 11 53)) (= ULTIMATE.start_fmod_double_~hx~0 (let ((.cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))) (bvxor .cse0 (bvand (_ bv2147483648 32) .cse0)))) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|) ULTIMATE.start_fmod_double_~lx~0)))) [2021-11-02 22:32:22,892 INFO L853 garLoopResultBuilder]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2021-11-02 22:32:22,892 INFO L857 garLoopResultBuilder]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2021-11-02 22:32:22,892 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 153) no Hoare annotation was computed. [2021-11-02 22:32:22,892 INFO L857 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2021-11-02 22:32:22,893 INFO L857 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-11-02 22:32:22,893 INFO L857 garLoopResultBuilder]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2021-11-02 22:32:22,893 INFO L857 garLoopResultBuilder]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2021-11-02 22:32:22,893 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-02 22:32:22,894 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-11-02 22:32:22,894 INFO L857 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-11-02 22:32:22,894 INFO L860 garLoopResultBuilder]: At program point L198(lines 177 199) the Hoare annotation is: true [2021-11-02 22:32:22,894 INFO L857 garLoopResultBuilder]: For program point L66(lines 25 163) no Hoare annotation was computed. [2021-11-02 22:32:22,895 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-11-02 22:32:22,895 INFO L857 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-11-02 22:32:22,895 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 161) no Hoare annotation was computed. [2021-11-02 22:32:22,895 INFO L857 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2021-11-02 22:32:22,896 INFO L857 garLoopResultBuilder]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2021-11-02 22:32:22,896 INFO L857 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2021-11-02 22:32:22,900 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-02 22:32:22,902 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-02 22:32:22,910 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:22,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:22,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:22,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:22,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:22,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:22,925 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,926 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:22,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:22,927 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:22,928 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:22,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:22,931 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,932 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,933 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:22,934 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,935 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,936 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,938 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:22,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,939 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,940 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:22,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:22,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 10:32:22 BoogieIcfgContainer [2021-11-02 22:32:22,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-02 22:32:22,945 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:32:22,946 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:32:22,946 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:32:22,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:30:26" (3/4) ... [2021-11-02 22:32:22,950 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-02 22:32:22,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-02 22:32:22,966 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-02 22:32:22,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:32:22,967 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-02 22:32:23,009 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/witness.graphml [2021-11-02 22:32:23,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:32:23,011 INFO L168 Benchmark]: Toolchain (without parser) took 121250.29 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 34.6 MB in the beginning and 29.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-11-02 22:32:23,011 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 56.6 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:32:23,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.60 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 36.9 MB in the end (delta: -2.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-02 22:32:23,013 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.71 ms. Allocated memory is still 56.6 MB. Free memory was 36.9 MB in the beginning and 34.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:32:23,013 INFO L168 Benchmark]: Boogie Preprocessor took 104.67 ms. Allocated memory is still 56.6 MB. Free memory was 34.8 MB in the beginning and 32.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:32:23,014 INFO L168 Benchmark]: RCFGBuilder took 4016.18 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.5 MB in the beginning and 40.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:32:23,015 INFO L168 Benchmark]: TraceAbstraction took 116302.87 ms. Allocated memory is still 69.2 MB. Free memory was 39.9 MB in the beginning and 32.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-11-02 22:32:23,015 INFO L168 Benchmark]: Witness Printer took 64.06 ms. Allocated memory is still 69.2 MB. Free memory was 32.2 MB in the beginning and 29.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:32:23,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 56.6 MB. Free memory is still 37.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 651.60 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 36.9 MB in the end (delta: -2.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.71 ms. Allocated memory is still 56.6 MB. Free memory was 36.9 MB in the beginning and 34.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.67 ms. Allocated memory is still 56.6 MB. Free memory was 34.8 MB in the beginning and 32.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4016.18 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.5 MB in the beginning and 40.4 MB in the end (delta: -7.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 116302.87 ms. Allocated memory is still 69.2 MB. Free memory was 39.9 MB in the beginning and 32.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Witness Printer took 64.06 ms. Allocated memory is still 69.2 MB. Free memory was 32.2 MB in the beginning and 29.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,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_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,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_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,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_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,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_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,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_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 116.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 91.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 1025 SDslu, 551 SDs, 0 SdLazy, 322 SolverSat, 67 SolverUnsat, 38 SolverUnknown, 0 SolverNotchecked, 81.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 37, 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, 95 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 192 HoareAnnotationTreeSize, 12 FomulaSimplifications, 2185 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 19.1s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 37 QuantifiedInterpolants, 1364 SizeOfPredicates, 41 NumberOfNonLiveVariables, 360 ConjunctsInSsa, 52 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 165]: Loop Invariant [2021-11-02 22:32:23,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:23,038 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,039 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:23,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:23,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:23,040 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:23,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:23,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,042 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,043 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,044 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:23,044 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:23,044 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] [2021-11-02 22:32:23,044 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_12,QUANTIFIED] Derived loop invariant: (((((((((\result == 0bv32 && aux-res == 0.0 && __signbit_double(res) == 0-aux) && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && !(~bvor32(hy, ly) == 0bv32)) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~Pluszero~LONGDOUBLE() && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32]))) && v_skolemized_q#valueAsBitvector_11[31:0] == lx)) && (\exists v_skolemized_q#valueAsBitvector_12 : bv64 :: v_skolemized_q#valueAsBitvector_12[63:32] == msw && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_12[63:63], v_skolemized_q#valueAsBitvector_12[62:52], v_skolemized_q#valueAsBitvector_12[51:0])) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2021-11-02 22:32:23,047 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:23,047 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,047 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,048 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,048 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,048 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,048 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,049 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:23,049 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,050 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,050 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,050 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,050 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,051 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: ((((~Pluszero~LONGDOUBLE() == x && \result == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && ~Pluszero~LONGDOUBLE() == x) && !(~bvor32(hy, ly) == 0bv32)) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~Pluszero~LONGDOUBLE() && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32]))) && v_skolemized_q#valueAsBitvector_11[31:0] == lx) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (~Pluszero~LONGDOUBLE() == x && ~Pluszero~LONGDOUBLE() == x) && (~fp.gt~DOUBLE(y, ~Pluszero~LONGDOUBLE()) || ~fp.lt~DOUBLE(y, ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 168]: Loop Invariant [2021-11-02 22:32:23,052 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:23,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,053 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,054 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fmod_double_~hy~0_31,QUANTIFIED] [2021-11-02 22:32:23,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,055 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] [2021-11-02 22:32:23,056 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_11,QUANTIFIED] Derived loop invariant: (((((((aux-res == 0.0 && __signbit_double(res) == 0-aux && ~Pluszero~LONGDOUBLE() == x) && \result == ~Pluszero~LONGDOUBLE()) && (\exists v_ULTIMATE.start_fmod_double_~hy~0_31 : bv32 :: hy == ~bvand32(2147483647bv32, v_ULTIMATE.start_fmod_double_~hy~0_31))) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == res) && !(~bvor32(hy, ly) == 0bv32)) && (\exists v_skolemized_q#valueAsBitvector_11 : bv64 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_11[63:63], v_skolemized_q#valueAsBitvector_11[62:52], v_skolemized_q#valueAsBitvector_11[51:0]) == ~Pluszero~LONGDOUBLE() && hx == ~bvxor32(v_skolemized_q#valueAsBitvector_11[63:32], ~bvand32(2147483648bv32, v_skolemized_q#valueAsBitvector_11[63:32]))) && v_skolemized_q#valueAsBitvector_11[31:0] == lx) RESULT: Ultimate proved your program to be correct! [2021-11-02 22:32:23,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29cdc31-28ae-45f6-ae80-420443c410c8/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE