./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/sine_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB --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 bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:26:44,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:26:44,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 04:26:44,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:26:44,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:26:44,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:26:44,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:26:44,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:26:44,749 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:26:44,749 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:26:44,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:26:44,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:26:44,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:26:44,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:26:44,753 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:26:44,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:26:44,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:26:44,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:26:44,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:26:44,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:26:44,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:26:44,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:26:44,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:26:44,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:26:44,754 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:26:44,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:26:44,755 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:26:44,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:26:44,755 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:26:44,755 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:26:44,755 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:26:44,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:26:44,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:26:44,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:26:44,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:26:44,756 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:26:44,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:26:44,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:26:44,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:26:44,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:26:44,756 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:26:44,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:26:44,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:26:44,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:26:44,757 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:26:44,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:26:44,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:26:44,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:26:44,757 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_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB 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 -> bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 [2024-11-28 04:26:45,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:26:45,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:26:45,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:26:45,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:26:45,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:26:45,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/floats-cdfpl/sine_7.i [2024-11-28 04:26:48,133 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/data/a6b24599e/edc8811aad0e4f8a8bf8406f67c38aed/FLAG5ca620c04 [2024-11-28 04:26:48,508 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:26:48,513 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/sv-benchmarks/c/floats-cdfpl/sine_7.i [2024-11-28 04:26:48,547 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/data/a6b24599e/edc8811aad0e4f8a8bf8406f67c38aed/FLAG5ca620c04 [2024-11-28 04:26:48,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/data/a6b24599e/edc8811aad0e4f8a8bf8406f67c38aed [2024-11-28 04:26:48,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:26:48,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:26:48,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:26:48,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:26:48,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:26:48,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338c8a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48, skipping insertion in model container [2024-11-28 04:26:48,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:26:48,831 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_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2024-11-28 04:26:48,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:26:48,847 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:26:48,866 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_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2024-11-28 04:26:48,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:26:48,891 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:26:48,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48 WrapperNode [2024-11-28 04:26:48,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:26:48,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:26:48,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:26:48,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:26:48,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,941 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2024-11-28 04:26:48,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:26:48,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:26:48,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:26:48,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:26:48,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,952 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,963 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:26:48,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,966 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:26:48,972 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:26:48,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:26:48,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:26:48,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (1/1) ... [2024-11-28 04:26:48,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:26:48,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:26:49,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:26:49,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:26:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:26:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:26:49,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:26:49,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:26:49,105 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:26:49,107 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:26:49,224 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-28 04:26:49,224 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:26:49,238 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:26:49,238 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:26:49,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:26:49 BoogieIcfgContainer [2024-11-28 04:26:49,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:26:49,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:26:49,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:26:49,252 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:26:49,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:26:48" (1/3) ... [2024-11-28 04:26:49,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6f9ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:26:49, skipping insertion in model container [2024-11-28 04:26:49,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:48" (2/3) ... [2024-11-28 04:26:49,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6f9ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:26:49, skipping insertion in model container [2024-11-28 04:26:49,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:26:49" (3/3) ... [2024-11-28 04:26:49,254 INFO L128 eAbstractionObserver]: Analyzing ICFG sine_7.i [2024-11-28 04:26:49,271 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:26:49,274 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sine_7.i that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 04:26:49,345 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:26:49,358 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;@c000b4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:26:49,359 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:26:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 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) [2024-11-28 04:26:49,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 04:26:49,372 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:26:49,372 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 04:26:49,373 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:26:49,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:26:49,380 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2024-11-28 04:26:49,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:26:49,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871294923] [2024-11-28 04:26:49,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:26:49,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:26:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:26:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:26:49,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:26:49,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871294923] [2024-11-28 04:26:49,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871294923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:26:49,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:26:49,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:26:49,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364322238] [2024-11-28 04:26:49,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:26:49,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:26:49,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:26:49,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:26:49,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:26:49,570 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-28 04:26:49,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:26:49,581 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-28 04:26:49,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:26:49,583 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-28 04:26:49,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:26:49,590 INFO L225 Difference]: With dead ends: 19 [2024-11-28 04:26:49,590 INFO L226 Difference]: Without dead ends: 7 [2024-11-28 04:26:49,594 INFO L434 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 [2024-11-28 04:26:49,601 INFO L435 NwaCegarLoop]: 10 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, 10 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 [2024-11-28 04:26:49,604 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:26:49,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-28 04:26:49,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-28 04:26:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2024-11-28 04:26:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2024-11-28 04:26:49,640 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2024-11-28 04:26:49,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:26:49,642 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2024-11-28 04:26:49,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-28 04:26:49,643 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-28 04:26:49,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 04:26:49,643 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:26:49,643 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 04:26:49,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:26:49,644 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:26:49,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:26:49,645 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2024-11-28 04:26:49,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:26:49,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038059288] [2024-11-28 04:26:49,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:26:49,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:26:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:26:49,672 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:26:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:26:49,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:26:49,709 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:26:49,711 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 04:26:49,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:26:49,717 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 04:26:49,731 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:26:49,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:26:49 BoogieIcfgContainer [2024-11-28 04:26:49,738 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:26:49,739 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:26:49,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:26:49,740 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:26:49,741 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:26:49" (3/4) ... [2024-11-28 04:26:49,744 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:26:49,745 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:26:49,746 INFO L158 Benchmark]: Toolchain (without parser) took 1157.53ms. Allocated memory is still 117.4MB. Free memory was 94.5MB in the beginning and 52.8MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-28 04:26:49,747 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:26:49,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.93ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 83.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:26:49,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.02ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:26:49,749 INFO L158 Benchmark]: Boogie Preprocessor took 29.41ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:26:49,750 INFO L158 Benchmark]: RCFGBuilder took 267.05ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 71.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:26:49,750 INFO L158 Benchmark]: TraceAbstraction took 496.49ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 53.1MB in the end (delta: 18.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:26:49,751 INFO L158 Benchmark]: Witness Printer took 5.80ms. Allocated memory is still 117.4MB. Free memory was 53.1MB in the beginning and 52.8MB in the end (delta: 328.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:26:49,752 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.93ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 83.4MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.02ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.41ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 267.05ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 71.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 496.49ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 53.1MB in the end (delta: 18.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.80ms. Allocated memory is still 117.4MB. Free memory was 53.1MB in the beginning and 52.8MB in the end (delta: 328.0kB). 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: 37]: 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 someBinaryFLOATComparisonOperation at line 30, overapproximation of someBinaryFLOATComparisonOperation at line 36, overapproximation of someBinaryArithmeticFLOAToperation at line 34. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L24] COND FALSE !(!cond) [L30] RET assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L32] float x = IN; [L34] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L36] COND TRUE !(result <= 1.5f && result >= -1.5f) [L37] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 10 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, 10 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=11occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:26:49,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/sine_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB --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 bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:26:52,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:26:52,932 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 04:26:52,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:26:52,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:26:52,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:26:52,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:26:52,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:26:52,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:26:52,993 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:26:52,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:26:52,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:26:52,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:26:52,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:26:52,995 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:26:52,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:26:52,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:26:52,996 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:26:52,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:26:52,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:26:52,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:26:52,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:26:52,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:26:52,997 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:26:52,997 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:26:52,997 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:26:52,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:26:52,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:26:52,998 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:26:52,998 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:26:52,998 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:26:52,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:26:52,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:26:52,999 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:26:52,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:26:52,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:26:53,000 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:26:53,000 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:26:53,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:26:53,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:26:53,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:26:53,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:26:53,000 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:26:53,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:26:53,000 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:26:53,000 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:26:53,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:26:53,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:26:53,001 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:26:53,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:26:53,001 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_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB 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 -> bf2305db0d1203cb19d8044e9a6a42a8b9d1729a9edcdb80b1d7b6c3eacfaa74 [2024-11-28 04:26:53,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:26:53,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:26:53,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:26:53,413 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:26:53,414 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:26:53,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/floats-cdfpl/sine_7.i [2024-11-28 04:26:56,587 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/data/92f2053d2/14596c9ca9c74dbe85bea34e74c06dfe/FLAGba79fa97e [2024-11-28 04:26:56,831 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:26:56,832 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/sv-benchmarks/c/floats-cdfpl/sine_7.i [2024-11-28 04:26:56,841 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/data/92f2053d2/14596c9ca9c74dbe85bea34e74c06dfe/FLAGba79fa97e [2024-11-28 04:26:56,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/data/92f2053d2/14596c9ca9c74dbe85bea34e74c06dfe [2024-11-28 04:26:56,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:26:56,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:26:56,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:26:56,871 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:26:56,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:26:56,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:26:56" (1/1) ... [2024-11-28 04:26:56,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fc033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:56, skipping insertion in model container [2024-11-28 04:26:56,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:26:56" (1/1) ... [2024-11-28 04:26:56,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:26:57,091 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_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2024-11-28 04:26:57,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:26:57,114 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:26:57,127 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_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/sv-benchmarks/c/floats-cdfpl/sine_7.i[1641,1654] [2024-11-28 04:26:57,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:26:57,145 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:26:57,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57 WrapperNode [2024-11-28 04:26:57,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:26:57,147 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:26:57,147 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:26:57,147 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:26:57,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,163 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,179 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2024-11-28 04:26:57,180 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:26:57,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:26:57,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:26:57,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:26:57,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,192 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,203 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:26:57,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,210 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:26:57,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:26:57,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:26:57,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:26:57,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (1/1) ... [2024-11-28 04:26:57,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:26:57,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:26:57,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:26:57,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:26:57,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:26:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:26:57,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:26:57,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:26:57,370 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:26:57,373 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:27:01,601 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-28 04:27:01,601 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:27:01,612 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:27:01,612 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:27:01,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:27:01 BoogieIcfgContainer [2024-11-28 04:27:01,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:27:01,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:27:01,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:27:01,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:27:01,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:26:56" (1/3) ... [2024-11-28 04:27:01,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1096c308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:27:01, skipping insertion in model container [2024-11-28 04:27:01,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:26:57" (2/3) ... [2024-11-28 04:27:01,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1096c308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:27:01, skipping insertion in model container [2024-11-28 04:27:01,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:27:01" (3/3) ... [2024-11-28 04:27:01,625 INFO L128 eAbstractionObserver]: Analyzing ICFG sine_7.i [2024-11-28 04:27:01,642 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:27:01,644 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sine_7.i that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 04:27:01,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:27:01,719 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;@34f4206d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:27:01,719 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 04:27:01,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 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) [2024-11-28 04:27:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 04:27:01,729 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:01,730 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 04:27:01,730 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:27:01,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:01,736 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2024-11-28 04:27:01,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:27:01,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2049378977] [2024-11-28 04:27:01,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:01,746 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 [2024-11-28 04:27:01,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:27:01,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:27:01,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:27:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:02,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:27:02,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:27:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:27:02,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:27:02,308 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:27:02,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2049378977] [2024-11-28 04:27:02,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2049378977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:02,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:02,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:27:02,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106349864] [2024-11-28 04:27:02,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:02,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:27:02,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:27:02,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:27:02,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:27:02,347 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-28 04:27:02,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:27:02,361 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-28 04:27:02,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:27:02,364 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-28 04:27:02,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:27:02,371 INFO L225 Difference]: With dead ends: 19 [2024-11-28 04:27:02,372 INFO L226 Difference]: Without dead ends: 7 [2024-11-28 04:27:02,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:27:02,381 INFO L435 NwaCegarLoop]: 10 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, 10 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 [2024-11-28 04:27:02,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:27:02,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-28 04:27:02,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-28 04:27:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 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) [2024-11-28 04:27:02,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2024-11-28 04:27:02,420 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2024-11-28 04:27:02,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:27:02,421 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2024-11-28 04:27:02,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-28 04:27:02,422 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-28 04:27:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 04:27:02,422 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:27:02,422 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 04:27:02,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:27:02,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 04:27:02,623 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:27:02,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:02,624 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2024-11-28 04:27:02,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:27:02,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159549324] [2024-11-28 04:27:02,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:02,625 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 [2024-11-28 04:27:02,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 04:27:02,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 04:27:02,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f618ccb-e96c-49d8-b8e7-1cfa8a83cf88/bin/uautomizer-verify-aQ6SnzHsRB/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