./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:58:13,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:58:13,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 18:58:13,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:58:13,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 18:58:13,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:58:13,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 18:58:13,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 18:58:13,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:58:13,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 18:58:13,665 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 18:58:13,666 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 18:58:13,667 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 18:58:13,668 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 18:58:13,669 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 18:58:13,669 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 18:58:13,670 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 18:58:13,670 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 18:58:13,670 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 18:58:13,671 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 18:58:13,671 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 18:58:13,672 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 18:58:13,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:58:13,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:58:13,674 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:58:13,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:58:13,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:58:13,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:58:13,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:58:13,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:58:13,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:58:13,679 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:58:13,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:58:13,680 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:58:13,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:58:13,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 18:58:13,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 18:58:13,681 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:58:13,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:58:13,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:58:13,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:58:13,682 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 18:58:13,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:58:13,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 18:58:13,683 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:58:13,683 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 18:58:13,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:58:13,684 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b [2023-11-21 18:58:14,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:58:14,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:58:14,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:58:14,062 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:58:14,063 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:58:14,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2023-11-21 18:58:17,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:58:17,602 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:58:17,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2023-11-21 18:58:17,613 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/data/cc39d1aa2/b1f747040f9e4554b8c88c90ebc5fd18/FLAG47a2c4ca1 [2023-11-21 18:58:17,630 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/data/cc39d1aa2/b1f747040f9e4554b8c88c90ebc5fd18 [2023-11-21 18:58:17,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:58:17,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:58:17,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:58:17,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:58:17,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:58:17,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:58:17" (1/1) ... [2023-11-21 18:58:17,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b23cde8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:17, skipping insertion in model container [2023-11-21 18:58:17,650 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:58:17" (1/1) ... [2023-11-21 18:58:17,687 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:58:17,886 WARN L240 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_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2023-11-21 18:58:17,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:58:18,000 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:58:18,013 WARN L240 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_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2023-11-21 18:58:18,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:58:18,109 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:58:18,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18 WrapperNode [2023-11-21 18:58:18,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:58:18,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:58:18,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:58:18,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:58:18,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (1/1) ... [2023-11-21 18:58:18,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (1/1) ... [2023-11-21 18:58:18,229 INFO L138 Inliner]: procedures = 21, calls = 380, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 420 [2023-11-21 18:58:18,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:58:18,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:58:18,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:58:18,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:58:18,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (1/1) ... [2023-11-21 18:58:18,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (1/1) ... [2023-11-21 18:58:18,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (1/1) ... [2023-11-21 18:58:18,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (1/1) ... [2023-11-21 18:58:18,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (1/1) ... [2023-11-21 18:58:18,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (1/1) ... [2023-11-21 18:58:18,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (1/1) ... [2023-11-21 18:58:18,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (1/1) ... [2023-11-21 18:58:18,320 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:58:18,321 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:58:18,321 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:58:18,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:58:18,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (1/1) ... [2023-11-21 18:58:18,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:58:18,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 18:58:18,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 18:58:18,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 18:58:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:58:18,420 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2023-11-21 18:58:18,421 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2023-11-21 18:58:18,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:58:18,423 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2023-11-21 18:58:18,423 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2023-11-21 18:58:18,424 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2023-11-21 18:58:18,424 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2023-11-21 18:58:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-21 18:58:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:58:18,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:58:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-21 18:58:18,556 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:58:18,559 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:58:19,051 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:58:19,282 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:58:19,282 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:58:19,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:58:19 BoogieIcfgContainer [2023-11-21 18:58:19,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:58:19,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 18:58:19,289 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 18:58:19,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 18:58:19,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 06:58:17" (1/3) ... [2023-11-21 18:58:19,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe7b1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:58:19, skipping insertion in model container [2023-11-21 18:58:19,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:18" (2/3) ... [2023-11-21 18:58:19,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fe7b1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:58:19, skipping insertion in model container [2023-11-21 18:58:19,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:58:19" (3/3) ... [2023-11-21 18:58:19,299 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2023-11-21 18:58:19,321 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 18:58:19,322 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 18:58:19,378 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 18:58:19,387 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@3b70a361, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 18:58:19,388 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 18:58:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-21 18:58:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:58:19,403 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 18:58:19,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 18:58:19,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 18:58:19,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:58:19,412 INFO L85 PathProgramCache]: Analyzing trace with hash -2102464725, now seen corresponding path program 1 times [2023-11-21 18:58:19,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 18:58:19,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456346955] [2023-11-21 18:58:19,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:58:19,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:58:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:58:19,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:58:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:58:19,866 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-21 18:58:19,868 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 18:58:19,870 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 18:58:19,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 18:58:19,877 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 18:58:19,886 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 18:58:19,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 06:58:19 BoogieIcfgContainer [2023-11-21 18:58:19,928 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 18:58:19,932 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:58:19,932 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:58:19,932 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:58:19,933 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:58:19" (3/4) ... [2023-11-21 18:58:19,937 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:58:19,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:58:19,940 INFO L158 Benchmark]: Toolchain (without parser) took 2301.63ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 113.1MB in the beginning and 126.5MB in the end (delta: -13.4MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-21 18:58:19,940 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 153.1MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:58:19,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.39ms. Allocated memory is still 153.1MB. Free memory was 113.1MB in the beginning and 93.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:58:19,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.45ms. Allocated memory is still 153.1MB. Free memory was 93.6MB in the beginning and 89.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:58:19,945 INFO L158 Benchmark]: Boogie Preprocessor took 90.22ms. Allocated memory is still 153.1MB. Free memory was 89.0MB in the beginning and 85.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:58:19,950 INFO L158 Benchmark]: RCFGBuilder took 964.48ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 85.3MB in the beginning and 153.8MB in the end (delta: -68.5MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2023-11-21 18:58:19,952 INFO L158 Benchmark]: TraceAbstraction took 639.46ms. Allocated memory is still 201.3MB. Free memory was 153.8MB in the beginning and 127.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:58:19,953 INFO L158 Benchmark]: Witness Printer took 6.85ms. Allocated memory is still 201.3MB. Free memory was 127.6MB in the beginning and 126.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:58:19,963 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 153.1MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.39ms. Allocated memory is still 153.1MB. Free memory was 113.1MB in the beginning and 93.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.45ms. Allocated memory is still 153.1MB. Free memory was 93.6MB in the beginning and 89.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.22ms. Allocated memory is still 153.1MB. Free memory was 89.0MB in the beginning and 85.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 964.48ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 85.3MB in the beginning and 153.8MB in the end (delta: -68.5MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * TraceAbstraction took 639.46ms. Allocated memory is still 201.3MB. Free memory was 153.8MB in the beginning and 127.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.85ms. Allocated memory is still 201.3MB. Free memory was 127.6MB in the beginning and 126.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 18]: 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 to_int at line 122, overapproximation of someUnaryDOUBLEoperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of to_real at line 123. Possible FailurePath: [L21-L113] const double T[361] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899, 0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211, 0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837, 0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244, 0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932, 0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907, 0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766, 0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132, 0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457, 0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639, 0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175, 0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514, 0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524, 0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304, 0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720, 0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665, 0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940, 0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542, 0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729, 0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277, 0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655, 0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051, 0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205, 0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503, 0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634, 0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070, 0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530, 0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274, 0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387, 0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023, 0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766, 0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728, 0.00000000000000, -0.01745240643728, -0.03489949670250, -0.05233595624294, -0.06975647374412, -0.08715574274766, -0.10452846326765, -0.12186934340515, -0.13917310096007, -0.15643446504023, -0.17364817766693, -0.19080899537654, -0.20791169081776, -0.22495105434386, -0.24192189559967, -0.25881904510252, -0.27563735581700, -0.29237170472274, -0.30901699437495, -0.32556815445716, -0.34202014332567, -0.35836794954530, -0.37460659341591, -0.39073112848927, -0.40673664307580, -0.42261826174070, -0.43837114678908, -0.45399049973955, -0.46947156278589, -0.48480962024634, -0.50000000000000, -0.51503807491005, -0.52991926423320, -0.54463903501503, -0.55919290347075, -0.57357643635105, -0.58778525229247, -0.60181502315205, -0.61566147532566, -0.62932039104984, -0.64278760968654, -0.65605902899051, -0.66913060635886, -0.68199836006250, -0.69465837045900, -0.70710678118655, -0.71933980033865, -0.73135370161917, -0.74314482547739, -0.75470958022277, -0.76604444311898, -0.77714596145697, -0.78801075360672, -0.79863551004729, -0.80901699437495, -0.81915204428899, -0.82903757255504, -0.83867056794542, -0.84804809615643, -0.85716730070211, -0.86602540378444, -0.87461970713940, -0.88294759285893, -0.89100652418837, -0.89879404629917, -0.90630778703665, -0.91354545764260, -0.92050485345244, -0.92718385456679, -0.93358042649720, -0.93969262078591, -0.94551857559932, -0.95105651629515, -0.95630475596304, -0.96126169593832, -0.96592582628907, -0.97029572627600, -0.97437006478524, -0.97814760073381, -0.98162718344766, -0.98480775301221, -0.98768834059514, -0.99026806874157, -0.99254615164132, -0.99452189536827, -0.99619469809175, -0.99756405025982, -0.99862953475457, -0.99939082701910, -0.99984769515639, -1.00000000000000, -0.99984769515639, -0.99939082701910, -0.99862953475457, -0.99756405025982, -0.99619469809175, -0.99452189536827, -0.99254615164132, -0.99026806874157, -0.98768834059514, -0.98480775301221, -0.98162718344766, -0.97814760073381, -0.97437006478524, -0.97029572627600, -0.96592582628907, -0.96126169593832, -0.95630475596304, -0.95105651629515, -0.94551857559932, -0.93969262078591, -0.93358042649720, -0.92718385456679, -0.92050485345244, -0.91354545764260, -0.90630778703665, -0.89879404629917, -0.89100652418837, -0.88294759285893, -0.87461970713940, -0.86602540378444, -0.85716730070211, -0.84804809615643, -0.83867056794542, -0.82903757255504, -0.81915204428899, -0.80901699437495, -0.79863551004729, -0.78801075360672, -0.77714596145697, -0.76604444311898, -0.75470958022277, -0.74314482547739, -0.73135370161917, -0.71933980033865, -0.70710678118655, -0.69465837045900, -0.68199836006250, -0.66913060635886, -0.65605902899051, -0.64278760968654, -0.62932039104984, -0.61566147532566, -0.60181502315205, -0.58778525229247, -0.57357643635105, -0.55919290347075, -0.54463903501503, -0.52991926423321, -0.51503807491005, -0.50000000000000, -0.48480962024634, -0.46947156278589, -0.45399049973955, -0.43837114678908, -0.42261826174070, -0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530, -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274, -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387, -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023, -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766, -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728, 0 }; [L152] double a, r; [L154] a = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not(a >= -1e10 && a <= 1e10) [L16] COND FALSE !(!cond) [L155] RET assume_abort_if_not(a >= -1e10 && a <= 1e10) [L157] CALL SIN(a) [L146] COND TRUE x<0 VAL [T={4:0}, \old(x)=2893, x=2893] [L146] CALL SIN_POS(-x) VAL [T={4:0}] [L140] COND TRUE x>180 VAL [T={4:0}, \old(x)=2894, x=2894] [L140] CALL SIN_180(x-360.*(int)((x+180.)/360.)) VAL [T={4:0}] [L134] COND TRUE x<0 VAL [T={4:0}, \old(x)=2895, x=2895] [L134] CALL SIN_0_180(-x) VAL [T={4:0}] [L118] double dx, i_dx, v_inf; [L119] double v_sup; [L120] int i; [L121] dx = 2*x [L122] i = dx [L123] i_dx = i [L125] CALL __VERIFIER_assert(i >= 0 && i+1 < sizeof(T)/sizeof(T[0])) [L18] COND TRUE !(cond) VAL [T={4:0}, \old(cond)=0, cond=0] [L18] reach_error() VAL [T={4:0}, \old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 [2023-11-21 18:58:20,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:58:22,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:58:22,740 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-21 18:58:22,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:58:22,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 18:58:22,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:58:22,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 18:58:22,777 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 18:58:22,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:58:22,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 18:58:22,779 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 18:58:22,780 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 18:58:22,780 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 18:58:22,781 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 18:58:22,782 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 18:58:22,782 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 18:58:22,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:58:22,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:58:22,784 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:58:22,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:58:22,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:58:22,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:58:22,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:58:22,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:58:22,788 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:58:22,788 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:58:22,789 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:58:22,789 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:58:22,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:58:22,790 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:58:22,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:58:22,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 18:58:22,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 18:58:22,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 18:58:22,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:58:22,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:58:22,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:58:22,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:58:22,793 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:58:22,794 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:58:22,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 18:58:22,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:58:22,795 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 18:58:22,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:58:22,795 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b [2023-11-21 18:58:23,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:58:23,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:58:23,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:58:23,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:58:23,256 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:58:23,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2023-11-21 18:58:26,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:58:26,861 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:58:26,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2023-11-21 18:58:26,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/data/59a46daeb/47a9bee1222242958718b85ccf55ca51/FLAGfca55f829 [2023-11-21 18:58:26,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/data/59a46daeb/47a9bee1222242958718b85ccf55ca51 [2023-11-21 18:58:26,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:58:26,902 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:58:26,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:58:26,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:58:26,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:58:26,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:58:26" (1/1) ... [2023-11-21 18:58:26,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f79a114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:26, skipping insertion in model container [2023-11-21 18:58:26,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:58:26" (1/1) ... [2023-11-21 18:58:26,955 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:58:27,142 WARN L240 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_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2023-11-21 18:58:27,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:58:27,258 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:58:27,272 WARN L240 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_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2023-11-21 18:58:27,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:58:27,451 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:58:27,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27 WrapperNode [2023-11-21 18:58:27,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:58:27,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:58:27,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:58:27,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:58:27,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (1/1) ... [2023-11-21 18:58:27,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (1/1) ... [2023-11-21 18:58:27,562 INFO L138 Inliner]: procedures = 22, calls = 380, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 421 [2023-11-21 18:58:27,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:58:27,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:58:27,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:58:27,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:58:27,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (1/1) ... [2023-11-21 18:58:27,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (1/1) ... [2023-11-21 18:58:27,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (1/1) ... [2023-11-21 18:58:27,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (1/1) ... [2023-11-21 18:58:27,631 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (1/1) ... [2023-11-21 18:58:27,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (1/1) ... [2023-11-21 18:58:27,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (1/1) ... [2023-11-21 18:58:27,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (1/1) ... [2023-11-21 18:58:27,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:58:27,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:58:27,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:58:27,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:58:27,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (1/1) ... [2023-11-21 18:58:27,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:58:27,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 18:58:27,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 18:58:27,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 18:58:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:58:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-21 18:58:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2023-11-21 18:58:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2023-11-21 18:58:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:58:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2023-11-21 18:58:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2023-11-21 18:58:27,785 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2023-11-21 18:58:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2023-11-21 18:58:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-21 18:58:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:58:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:58:27,908 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:58:27,910 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:58:32,393 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:58:37,197 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:58:37,197 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:58:37,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:58:37 BoogieIcfgContainer [2023-11-21 18:58:37,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:58:37,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 18:58:37,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 18:58:37,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 18:58:37,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 06:58:26" (1/3) ... [2023-11-21 18:58:37,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4c6186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:58:37, skipping insertion in model container [2023-11-21 18:58:37,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:58:27" (2/3) ... [2023-11-21 18:58:37,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4c6186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 06:58:37, skipping insertion in model container [2023-11-21 18:58:37,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:58:37" (3/3) ... [2023-11-21 18:58:37,210 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2023-11-21 18:58:37,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 18:58:37,231 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 18:58:37,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 18:58:37,301 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@c89eb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 18:58:37,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 18:58:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-21 18:58:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:58:37,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 18:58:37,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 18:58:37,315 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 18:58:37,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:58:37,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2102464725, now seen corresponding path program 1 times [2023-11-21 18:58:37,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 18:58:37,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1345574928] [2023-11-21 18:58:37,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 18:58:37,340 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 [2023-11-21 18:58:37,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 18:58:37,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/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) [2023-11-21 18:58:37,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 18:58:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:58:45,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:58:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:58:54,464 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-21 18:58:54,466 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 18:58:54,467 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 18:58:54,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 18:58:54,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 18:58:54,674 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 18:58:54,680 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 18:58:54,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 06:58:54 BoogieIcfgContainer [2023-11-21 18:58:54,723 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 18:58:54,723 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:58:54,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:58:54,724 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:58:54,725 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:58:37" (3/4) ... [2023-11-21 18:58:54,725 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:58:54,789 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 18:58:54,789 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:58:54,791 INFO L158 Benchmark]: Toolchain (without parser) took 27888.69ms. Allocated memory was 81.8MB in the beginning and 922.7MB in the end (delta: 841.0MB). Free memory was 57.5MB in the beginning and 426.4MB in the end (delta: -368.9MB). Peak memory consumption was 474.4MB. Max. memory is 16.1GB. [2023-11-21 18:58:54,792 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 158.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:58:54,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 547.12ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 57.3MB in the end (delta: -83.2kB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-11-21 18:58:54,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.01ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 52.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:58:54,793 INFO L158 Benchmark]: Boogie Preprocessor took 117.03ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 47.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:58:54,799 INFO L158 Benchmark]: RCFGBuilder took 9518.92ms. Allocated memory was 81.8MB in the beginning and 922.7MB in the end (delta: 841.0MB). Free memory was 47.6MB in the beginning and 529.1MB in the end (delta: -481.5MB). Peak memory consumption was 364.6MB. Max. memory is 16.1GB. [2023-11-21 18:58:54,800 INFO L158 Benchmark]: TraceAbstraction took 17520.51ms. Allocated memory is still 922.7MB. Free memory was 529.1MB in the beginning and 429.5MB in the end (delta: 99.6MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2023-11-21 18:58:54,801 INFO L158 Benchmark]: Witness Printer took 66.08ms. Allocated memory is still 922.7MB. Free memory was 428.5MB in the beginning and 426.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:58:54,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 158.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 547.12ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 57.3MB in the end (delta: -83.2kB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.01ms. Allocated memory is still 81.8MB. Free memory was 57.3MB in the beginning and 52.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 117.03ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 47.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 9518.92ms. Allocated memory was 81.8MB in the beginning and 922.7MB in the end (delta: 841.0MB). Free memory was 47.6MB in the beginning and 529.1MB in the end (delta: -481.5MB). Peak memory consumption was 364.6MB. Max. memory is 16.1GB. * TraceAbstraction took 17520.51ms. Allocated memory is still 922.7MB. Free memory was 529.1MB in the beginning and 429.5MB in the end (delta: 99.6MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. * Witness Printer took 66.08ms. Allocated memory is still 922.7MB. Free memory was 428.5MB in the beginning and 426.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L21-L113] const double T[361] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899, 0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211, 0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837, 0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244, 0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932, 0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907, 0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766, 0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132, 0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457, 0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639, 0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175, 0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514, 0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524, 0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304, 0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720, 0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665, 0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940, 0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542, 0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729, 0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277, 0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655, 0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051, 0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205, 0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503, 0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634, 0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070, 0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530, 0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274, 0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387, 0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023, 0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766, 0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728, 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-0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530, -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274, -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387, -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023, -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766, -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728, 0 }; [L152] double a, r; [L154] a = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not(a >= -1e10 && a <= 1e10) [L16] COND FALSE !(!cond) [L155] RET assume_abort_if_not(a >= -1e10 && a <= 1e10) [L157] CALL SIN(a) [L146] COND TRUE x<0 VAL [T={4:0}, \old(x)=-33554339.999999996, x=-33554339.999999996] [L146] CALL SIN_POS(-x) VAL [T={4:0}, \old(x)=33554339.999999996] [L140] COND TRUE x>180 VAL [T={4:0}, \old(x)=33554339.999999996, x=33554339.999999996] [L140] CALL SIN_180(x-360.*(int)((x+180.)/360.)) VAL [T={4:0}, \old(x)=-180.0000000037253] [L134] COND TRUE x<0 VAL [T={4:0}, \old(x)=-180.0000000037253, x=-180.0000000037253] [L134] CALL SIN_0_180(-x) VAL [T={4:0}, \old(x)=180.0000000037253] [L118] double dx, i_dx, v_inf; [L119] double v_sup; [L120] int i; [L121] dx = 2*x [L122] i = dx [L123] i_dx = i [L125] CALL __VERIFIER_assert(i >= 0 && i+1 < sizeof(T)/sizeof(T[0])) [L18] COND TRUE !(cond) VAL [T={4:0}, \old(cond)=0, cond=0] [L18] reach_error() VAL [T={4:0}, \old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 7.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:58:54,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c33fe0e9-0f4c-49b7-9937-2f2dfa493b24/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE