./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --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 e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:42:52,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:42:52,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:42:52,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:42:52,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:42:52,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:42:52,579 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:42:52,579 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:42:52,580 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:42:52,580 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:42:52,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:42:52,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:42:52,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:42:52,581 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:42:52,582 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:42:52,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:42:52,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:42:52,583 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:42:52,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:42:52,583 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:42:52,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:42:52,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:42:52,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:42:52,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:42:52,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:42:52,584 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:42:52,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:42:52,584 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:42:52,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:42:52,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:42:52,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:42:52,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:42:52,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:42:52,585 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:42:52,585 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:42:52,585 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:42:52,585 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:42:52,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:42:52,585 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:42:52,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:42:52,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:42:52,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:42:52,585 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 [2024-11-13 15:42:52,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:42:52,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:42:52,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:42:52,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:42:52,873 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:42:52,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c Unable to find full path for "g++" [2024-11-13 15:42:54,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:42:55,133 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:42:55,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2024-11-13 15:42:55,147 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/data/2a275ed98/01dd9609663e4af7883f44eba9ceee7d/FLAG4556b28f9 [2024-11-13 15:42:55,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/data/2a275ed98/01dd9609663e4af7883f44eba9ceee7d [2024-11-13 15:42:55,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:42:55,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:42:55,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:42:55,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:42:55,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:42:55,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551a35a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55, skipping insertion in model container [2024-11-13 15:42:55,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:42:55,484 WARN L250 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_ad982f32-6364-4747-9cf7-f88bf559f1fb/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2024-11-13 15:42:55,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:42:55,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:42:55,564 WARN L250 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_ad982f32-6364-4747-9cf7-f88bf559f1fb/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2024-11-13 15:42:55,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:42:55,594 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:42:55,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55 WrapperNode [2024-11-13 15:42:55,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:42:55,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:42:55,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:42:55,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:42:55,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,619 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,662 INFO L138 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 432 [2024-11-13 15:42:55,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:42:55,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:42:55,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:42:55,663 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:42:55,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,680 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,702 INFO L175 MemorySlicer]: Split 19 memory accesses to 6 slices as follows [2, 3, 5, 3, 3, 3]. 26 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 0, 2, 0, 0, 0]. The 6 writes are split as follows [0, 2, 0, 1, 1, 2]. [2024-11-13 15:42:55,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,726 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:42:55,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:42:55,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:42:55,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:42:55,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (1/1) ... [2024-11-13 15:42:55,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:42:55,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:42:55,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:42:55,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:42:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:42:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:42:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:42:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:42:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 15:42:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 15:42:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 15:42:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:42:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:42:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:42:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:42:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 15:42:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 15:42:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 15:42:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 15:42:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 15:42:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 15:42:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-13 15:42:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-13 15:42:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-13 15:42:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 15:42:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 15:42:55,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 15:42:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-13 15:42:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-13 15:42:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-13 15:42:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:42:55,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:42:55,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:42:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:42:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:42:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 15:42:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 15:42:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 15:42:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-13 15:42:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-13 15:42:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-13 15:42:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-13 15:42:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-13 15:42:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-13 15:42:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:42:56,008 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:42:56,010 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:42:56,753 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-13 15:42:56,754 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:42:56,765 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:42:56,766 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-13 15:42:56,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:42:56 BoogieIcfgContainer [2024-11-13 15:42:56,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:42:56,768 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:42:56,768 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:42:56,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:42:56,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:42:55" (1/3) ... [2024-11-13 15:42:56,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1db566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:42:56, skipping insertion in model container [2024-11-13 15:42:56,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:42:55" (2/3) ... [2024-11-13 15:42:56,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1db566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:42:56, skipping insertion in model container [2024-11-13 15:42:56,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:42:56" (3/3) ... [2024-11-13 15:42:56,776 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2024-11-13 15:42:56,792 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:42:56,794 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1121a.c that has 1 procedures, 144 locations, 1 initial locations, 10 loop locations, and 1 error locations. [2024-11-13 15:42:56,866 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:42:56,880 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@71978529, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:42:56,880 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:42:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 142 states have (on average 1.6267605633802817) internal successors, (231), 143 states have internal predecessors, (231), 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) [2024-11-13 15:42:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 15:42:56,894 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:56,895 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:56,895 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:42:56,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:56,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1844911802, now seen corresponding path program 1 times [2024-11-13 15:42:56,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:56,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024015062] [2024-11-13 15:42:56,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:56,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:42:57,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:42:57,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:42:57,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024015062] [2024-11-13 15:42:57,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024015062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:42:57,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:42:57,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:42:57,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303562058] [2024-11-13 15:42:57,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:42:57,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:42:57,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:42:57,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:42:57,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:42:57,158 INFO L87 Difference]: Start difference. First operand has 144 states, 142 states have (on average 1.6267605633802817) internal successors, (231), 143 states have internal predecessors, (231), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-11-13 15:42:57,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:42:57,189 INFO L93 Difference]: Finished difference Result 286 states and 460 transitions. [2024-11-13 15:42:57,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:42:57,191 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 [2024-11-13 15:42:57,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:42:57,199 INFO L225 Difference]: With dead ends: 286 [2024-11-13 15:42:57,199 INFO L226 Difference]: Without dead ends: 141 [2024-11-13 15:42:57,202 INFO L431 NwaCegarLoop]: 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 [2024-11-13 15:42:57,205 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:42:57,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:42:57,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-13 15:42:57,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-11-13 15:42:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 1.5071428571428571) internal successors, (211), 140 states have internal predecessors, (211), 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) [2024-11-13 15:42:57,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 211 transitions. [2024-11-13 15:42:57,256 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 211 transitions. Word has length 15 [2024-11-13 15:42:57,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:42:57,258 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 211 transitions. [2024-11-13 15:42:57,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-11-13 15:42:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 211 transitions. [2024-11-13 15:42:57,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 15:42:57,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:42:57,259 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:42:57,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:42:57,259 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:42:57,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:42:57,260 INFO L85 PathProgramCache]: Analyzing trace with hash 593021962, now seen corresponding path program 1 times [2024-11-13 15:42:57,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:42:57,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158429732] [2024-11-13 15:42:57,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:42:57,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:42:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:42:57,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:42:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:42:57,439 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:42:57,439 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:42:57,441 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:42:57,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:42:57,446 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 15:42:57,469 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:42:57,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:42:57 BoogieIcfgContainer [2024-11-13 15:42:57,472 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:42:57,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:42:57,473 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:42:57,473 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:42:57,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:42:56" (3/4) ... [2024-11-13 15:42:57,476 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:42:57,477 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:42:57,478 INFO L158 Benchmark]: Toolchain (without parser) took 2303.33ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 94.1MB in the end (delta: 23.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-11-13 15:42:57,479 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:42:57,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.89ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 103.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:42:57,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.95ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 100.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:42:57,480 INFO L158 Benchmark]: Boogie Preprocessor took 84.95ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 96.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:42:57,480 INFO L158 Benchmark]: RCFGBuilder took 1017.64ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 58.7MB in the end (delta: 37.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 15:42:57,481 INFO L158 Benchmark]: TraceAbstraction took 704.01ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 94.1MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:42:57,481 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 94.1MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:42:57,483 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.89ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 103.6MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.95ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 100.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 84.95ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 96.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1017.64ms. Allocated memory is still 142.6MB. Free memory was 96.5MB in the beginning and 58.7MB in the end (delta: 37.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 704.01ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 94.1MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 142.6MB. Free memory was 94.1MB in the beginning and 94.1MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * 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: 177]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryDOUBLEComparisonOperation at line 18. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [Zero_fmod={4:0}, one_fmod=1] [L171] double x = __VERIFIER_nondet_double(); [L172] double y = 0.0; [L173] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [Zero_fmod={4:0}, one_fmod=1, x=2147483663, y=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 VAL [Zero_fmod={4:0}, hx=0, hy=-2147483648, lx=2147483649, ly=0, one_fmod=1, sx=0, x=2147483663, y=0] [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=2147483649, ly=0, one_fmod=1, sx=0, x=2147483663, y=0] [L45] EXPR hy | ly VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=2147483649, ly=0, one_fmod=1, sx=0, x=2147483663, y=0] [L45-L46] (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=2147483649, ly=0, one_fmod=1, sx=0, x=2147483663, y=0] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [Zero_fmod={4:0}, hx=0, hy=0, lx=2147483649, ly=0, one_fmod=1, sx=0, x=2147483663, y=0] [L173] RET, EXPR fmod_double(x, y) [L173] double res = fmod_double(x, y); [L176] CALL, EXPR isnan_double(res) [L18] return x != x; VAL [Zero_fmod={4:0}, \result=0, one_fmod=1] [L176] RET, EXPR isnan_double(res) [L176] COND TRUE !isnan_double(res) [L177] reach_error() VAL [Zero_fmod={4:0}, one_fmod=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 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, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 214 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 214 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=144occurred 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, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 [2024-11-13 15:42:57,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --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 e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:43:00,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:43:00,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:43:00,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:43:00,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:43:00,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:43:00,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:43:00,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:43:00,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:43:00,327 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:43:00,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:43:00,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:43:00,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:43:00,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:43:00,328 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:43:00,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:43:00,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:43:00,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:43:00,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:43:00,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:43:00,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:43:00,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:43:00,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:43:00,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:43:00,329 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:43:00,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:43:00,329 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:43:00,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:43:00,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:43:00,331 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:43:00,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:43:00,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:43:00,332 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:43:00,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:43:00,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:43:00,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:43:00,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:43:00,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:43:00,333 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:43:00,333 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:43:00,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:43:00,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:43:00,334 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:43:00,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:43:00,334 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> e2915ae970b23f9234beaed5f436ef87de022b558ff8241f79bda095bd417e23 [2024-11-13 15:43:00,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:43:00,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:43:00,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:43:00,673 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:43:00,674 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:43:00,675 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/double_req_bl_1121a.c Unable to find full path for "g++" [2024-11-13 15:43:02,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:43:02,816 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:43:02,816 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c [2024-11-13 15:43:02,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/data/ba6cd3215/bfe250bae8d5471384dab9cd3b22923f/FLAGfd66585db [2024-11-13 15:43:02,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/data/ba6cd3215/bfe250bae8d5471384dab9cd3b22923f [2024-11-13 15:43:02,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:43:02,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:43:02,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:43:02,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:43:02,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:43:02,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:43:02" (1/1) ... [2024-11-13 15:43:02,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@709c4e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:02, skipping insertion in model container [2024-11-13 15:43:02,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:43:02" (1/1) ... [2024-11-13 15:43:02,869 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:43:03,126 WARN L250 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_ad982f32-6364-4747-9cf7-f88bf559f1fb/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2024-11-13 15:43:03,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:43:03,144 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:43:03,187 WARN L250 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_ad982f32-6364-4747-9cf7-f88bf559f1fb/sv-benchmarks/c/float-newlib/double_req_bl_1121a.c[3883,3896] [2024-11-13 15:43:03,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:43:03,208 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:43:03,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03 WrapperNode [2024-11-13 15:43:03,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:43:03,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:43:03,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:43:03,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:43:03,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,287 INFO L138 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 218 [2024-11-13 15:43:03,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:43:03,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:43:03,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:43:03,291 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:43:03,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,339 INFO L175 MemorySlicer]: Split 19 memory accesses to 6 slices as follows [2, 5, 3, 3, 3, 3]. 26 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 2, 0, 0, 0, 0]. The 6 writes are split as follows [0, 0, 2, 1, 2, 1]. [2024-11-13 15:43:03,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,362 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:43:03,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:43:03,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:43:03,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:43:03,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (1/1) ... [2024-11-13 15:43:03,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:43:03,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:43:03,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:43:03,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:43:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:43:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-13 15:43:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-13 15:43:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-13 15:43:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 15:43:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-13 15:43:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-13 15:43:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:43:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:43:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 15:43:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 15:43:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 15:43:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 15:43:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-13 15:43:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-13 15:43:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:43:03,645 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:43:03,647 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:43:10,400 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-13 15:43:10,400 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:43:10,410 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:43:10,411 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-13 15:43:10,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:43:10 BoogieIcfgContainer [2024-11-13 15:43:10,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:43:10,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:43:10,414 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:43:10,418 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:43:10,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:43:02" (1/3) ... [2024-11-13 15:43:10,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33feae46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:43:10, skipping insertion in model container [2024-11-13 15:43:10,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:43:03" (2/3) ... [2024-11-13 15:43:10,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33feae46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:43:10, skipping insertion in model container [2024-11-13 15:43:10,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:43:10" (3/3) ... [2024-11-13 15:43:10,421 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1121a.c [2024-11-13 15:43:10,436 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:43:10,438 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1121a.c that has 1 procedures, 51 locations, 1 initial locations, 10 loop locations, and 1 error locations. [2024-11-13 15:43:10,488 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:43:10,499 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d9d006d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:43:10,499 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:43:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 50 states have internal predecessors, (92), 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) [2024-11-13 15:43:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 15:43:10,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:43:10,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:43:10,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:43:10,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:43:10,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1386446579, now seen corresponding path program 1 times [2024-11-13 15:43:10,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:43:10,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823695299] [2024-11-13 15:43:10,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:43:10,533 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:43:10,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:43:10,538 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:43:10,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-13 15:43:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:11,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:43:11,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:43:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:43:11,459 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:43:11,460 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:43:11,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823695299] [2024-11-13 15:43:11,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823695299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:43:11,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:43:11,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:43:11,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963201679] [2024-11-13 15:43:11,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:43:11,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:43:11,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:43:11,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:43:11,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:43:11,493 INFO L87 Difference]: Start difference. First operand has 51 states, 49 states have (on average 1.8775510204081634) internal successors, (92), 50 states have internal predecessors, (92), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-11-13 15:43:11,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:43:11,518 INFO L93 Difference]: Finished difference Result 100 states and 182 transitions. [2024-11-13 15:43:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:43:11,520 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-11-13 15:43:11,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:43:11,529 INFO L225 Difference]: With dead ends: 100 [2024-11-13 15:43:11,529 INFO L226 Difference]: Without dead ends: 48 [2024-11-13 15:43:11,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:43:11,536 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:43:11,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:43:11,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-13 15:43:11,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-13 15:43:11,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.574468085106383) internal successors, (74), 47 states have internal predecessors, (74), 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) [2024-11-13 15:43:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 74 transitions. [2024-11-13 15:43:11,577 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 74 transitions. Word has length 10 [2024-11-13 15:43:11,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:43:11,578 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 74 transitions. [2024-11-13 15:43:11,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-11-13 15:43:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2024-11-13 15:43:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 15:43:11,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:43:11,579 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:43:11,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 15:43:11,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:43:11,781 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:43:11,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:43:11,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1636505169, now seen corresponding path program 1 times [2024-11-13 15:43:11,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:43:11,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [204788044] [2024-11-13 15:43:11,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:43:11,783 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:43:11,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:43:11,786 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:43:11,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-13 15:43:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:43:12,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:43:12,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:43:33,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:43:33,842 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:43:33,842 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:43:33,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [204788044] [2024-11-13 15:43:33,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [204788044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:43:33,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:43:33,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:43:33,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778525051] [2024-11-13 15:43:33,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:43:33,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:43:33,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:43:33,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:43:33,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 15:43:33,849 INFO L87 Difference]: Start difference. First operand 48 states and 74 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2024-11-13 15:43:35,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:43:36,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:43:40,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:43:50,962 WARN L286 SmtUtils]: Spent 6.94s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:43:55,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:00,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:02,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:03,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:05,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:07,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:10,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:44:12,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:44:12,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:12,373 INFO L93 Difference]: Finished difference Result 53 states and 78 transitions. [2024-11-13 15:44:12,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:44:12,395 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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 12 [2024-11-13 15:44:12,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:12,395 INFO L225 Difference]: With dead ends: 53 [2024-11-13 15:44:12,395 INFO L226 Difference]: Without dead ends: 48 [2024-11-13 15:44:12,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 27.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:44:12,397 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 131 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:12,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 272 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 26.0s Time] [2024-11-13 15:44:12,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-13 15:44:12,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-13 15:44:12,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.553191489361702) internal successors, (73), 47 states have internal predecessors, (73), 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) [2024-11-13 15:44:12,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 73 transitions. [2024-11-13 15:44:12,405 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 73 transitions. Word has length 12 [2024-11-13 15:44:12,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:12,405 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 73 transitions. [2024-11-13 15:44:12,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2024-11-13 15:44:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2024-11-13 15:44:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 15:44:12,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:44:12,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:44:12,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-13 15:44:12,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:44:12,607 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:44:12,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:44:12,608 INFO L85 PathProgramCache]: Analyzing trace with hash -622323788, now seen corresponding path program 1 times [2024-11-13 15:44:12,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:44:12,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1804101100] [2024-11-13 15:44:12,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:44:12,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:44:12,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:44:12,610 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-13 15:44:12,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 15:44:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:44:12,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 15:44:12,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:44:13,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:44:13,551 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:44:13,551 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:44:13,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1804101100] [2024-11-13 15:44:13,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1804101100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:13,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:13,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 15:44:13,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270240733] [2024-11-13 15:44:13,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:13,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 15:44:13,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:44:13,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 15:44:13,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 15:44:13,552 INFO L87 Difference]: Start difference. First operand 48 states and 73 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-13 15:44:13,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:44:13,797 INFO L93 Difference]: Finished difference Result 48 states and 73 transitions. [2024-11-13 15:44:13,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 15:44:13,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-11-13 15:44:13,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:44:13,799 INFO L225 Difference]: With dead ends: 48 [2024-11-13 15:44:13,799 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:44:13,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:44:13,800 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 15:44:13,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 15:44:13,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:44:13,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:44:13,802 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) [2024-11-13 15:44:13,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:44:13,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2024-11-13 15:44:13,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:44:13,805 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:44:13,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-13 15:44:13,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:44:13,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:44:13,809 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:44:13,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-13 15:44:14,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:44:14,013 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 15:44:14,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:44:14,298 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:44:14,312 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-11-13 15:44:14,313 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 15:44:14,314 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 15:44:14,314 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2024-11-13 15:44:14,314 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 15:44:14,314 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 15:44:14,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:44:14 BoogieIcfgContainer [2024-11-13 15:44:14,316 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:44:14,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:44:14,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:44:14,317 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:44:14,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:43:10" (3/4) ... [2024-11-13 15:44:14,320 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:44:14,337 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-13 15:44:14,337 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-13 15:44:14,338 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:44:14,338 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:44:14,454 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:44:14,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:44:14,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:44:14,456 INFO L158 Benchmark]: Toolchain (without parser) took 71611.83ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 31.0MB in the end (delta: 29.7MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-11-13 15:44:14,458 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:44:14,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.51ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 45.8MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:44:14,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.41ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:44:14,460 INFO L158 Benchmark]: Boogie Preprocessor took 86.59ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 40.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:44:14,460 INFO L158 Benchmark]: RCFGBuilder took 7033.69ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 54.6MB in the end (delta: -14.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-13 15:44:14,460 INFO L158 Benchmark]: TraceAbstraction took 63902.09ms. Allocated memory is still 83.9MB. Free memory was 54.1MB in the beginning and 36.9MB in the end (delta: 17.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-13 15:44:14,461 INFO L158 Benchmark]: Witness Printer took 139.22ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 31.0MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:44:14,462 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.51ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 45.8MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.41ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 86.59ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 40.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 7033.69ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 54.6MB in the end (delta: -14.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * TraceAbstraction took 63902.09ms. Allocated memory is still 83.9MB. Free memory was 54.1MB in the beginning and 36.9MB in the end (delta: 17.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 139.22ms. Allocated memory is still 83.9MB. Free memory was 36.9MB in the beginning and 31.0MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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: 177]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 38.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 134 SdHoareTripleChecker+Valid, 26.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 358 SdHoareTripleChecker+Invalid, 26.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 206 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 152 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 27.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 147 SizeOfPredicates, 5 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: 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: 154]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-13 15:44:14,683 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-13 15:44:14,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad982f32-6364-4747-9cf7-f88bf559f1fb/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE