./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme --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 7b4cc8baa8351099c29e59878298e93a353b17b98bdb5b40651d44aefe2bac1b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:10,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:10,450 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:52:10,456 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:10,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:10,484 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:10,485 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:10,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:10,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:10,487 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:10,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:10,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:10,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:10,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:10,491 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:10,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:10,492 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:10,493 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:52:10,493 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:10,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:52:10,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:10,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:10,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:10,496 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:10,497 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:52:10,497 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:10,498 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:10,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:10,499 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:10,500 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:52:10,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:10,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:10,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:10,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:10,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:10,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:10,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:52:10,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:10,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:10,505 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:10,506 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:10,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:10,507 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b4cc8baa8351099c29e59878298e93a353b17b98bdb5b40651d44aefe2bac1b [2023-11-26 11:52:10,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:10,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:10,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:10,878 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:10,878 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:10,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i [2023-11-26 11:52:14,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:14,586 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:14,587 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i [2023-11-26 11:52:14,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/data/caa40ca1c/a9064ed33eef4851b2f00508ff47f41e/FLAG3d804beef [2023-11-26 11:52:14,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/data/caa40ca1c/a9064ed33eef4851b2f00508ff47f41e [2023-11-26 11:52:14,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:14,644 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:14,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:14,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:14,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:14,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:14" (1/1) ... [2023-11-26 11:52:14,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7009c41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:14, skipping insertion in model container [2023-11-26 11:52:14,655 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:14" (1/1) ... [2023-11-26 11:52:14,710 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:15,480 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_75ac865b-1c3d-4608-8915-ef82424403e6/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i[63035,63048] [2023-11-26 11:52:15,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:15,496 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:15,543 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_75ac865b-1c3d-4608-8915-ef82424403e6/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i[63035,63048] [2023-11-26 11:52:15,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:15,741 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:15,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15 WrapperNode [2023-11-26 11:52:15,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:15,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:15,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:15,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:15,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,802 INFO L138 Inliner]: procedures = 557, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2023-11-26 11:52:15,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:15,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:15,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:15,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:15,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,833 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2023-11-26 11:52:15,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:15,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:15,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:15,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:15,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (1/1) ... [2023-11-26 11:52:15,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:15,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:15,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:15,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:15,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:15,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:15,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:52:15,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:52:16,066 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:16,068 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:16,168 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:16,197 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:16,200 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:52:16,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:16 BoogieIcfgContainer [2023-11-26 11:52:16,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:16,204 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:16,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:16,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:16,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:14" (1/3) ... [2023-11-26 11:52:16,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0873de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:16, skipping insertion in model container [2023-11-26 11:52:16,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:15" (2/3) ... [2023-11-26 11:52:16,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0873de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:16, skipping insertion in model container [2023-11-26 11:52:16,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:16" (3/3) ... [2023-11-26 11:52:16,212 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_7_safe.c-amalgamation.i [2023-11-26 11:52:16,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:16,245 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:52:16,300 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:16,308 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=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;@86543a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:16,309 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:52:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:16,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-26 11:52:16,321 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:16,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:52:16,323 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:16,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:16,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1722709358, now seen corresponding path program 1 times [2023-11-26 11:52:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:16,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141986858] [2023-11-26 11:52:16,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:16,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:16,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:16,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141986858] [2023-11-26 11:52:16,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141986858] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:16,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:16,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:16,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902475613] [2023-11-26 11:52:16,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:16,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:52:16,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:16,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:52:16,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:52:16,655 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2023-11-26 11:52:16,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:16,692 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2023-11-26 11:52:16,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:52:16,695 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 [2023-11-26 11:52:16,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:16,704 INFO L225 Difference]: With dead ends: 15 [2023-11-26 11:52:16,704 INFO L226 Difference]: Without dead ends: 7 [2023-11-26 11:52:16,707 INFO L412 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 [2023-11-26 11:52:16,714 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:16,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:16,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2023-11-26 11:52:16,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-11-26 11:52:16,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2023-11-26 11:52:16,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-26 11:52:16,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 6 [2023-11-26 11:52:16,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:16,750 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2023-11-26 11:52:16,751 INFO L496 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) [2023-11-26 11:52:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-26 11:52:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-26 11:52:16,752 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:16,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:52:16,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:52:16,753 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:16,754 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:16,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1722768940, now seen corresponding path program 1 times [2023-11-26 11:52:16,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:16,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741956691] [2023-11-26 11:52:16,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:16,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:16,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:16,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:52:16,845 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:52:16,848 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:52:16,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:52:16,856 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:52:16,861 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:52:16,875 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet89 could not be translated [2023-11-26 11:52:16,876 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated [2023-11-26 11:52:16,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:16 BoogieIcfgContainer [2023-11-26 11:52:16,902 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:52:16,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:16,903 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:16,903 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:16,904 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:16" (3/4) ... [2023-11-26 11:52:16,907 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:52:16,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:16,911 INFO L158 Benchmark]: Toolchain (without parser) took 2265.68ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 87.6MB in the beginning and 82.6MB in the end (delta: 5.1MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2023-11-26 11:52:16,911 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:16,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1097.38ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 87.2MB in the beginning and 122.2MB in the end (delta: -35.0MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2023-11-26 11:52:16,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.38ms. Allocated memory is still 176.2MB. Free memory was 122.2MB in the beginning and 119.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:52:16,920 INFO L158 Benchmark]: Boogie Preprocessor took 42.27ms. Allocated memory is still 176.2MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:16,920 INFO L158 Benchmark]: RCFGBuilder took 354.29ms. Allocated memory is still 176.2MB. Free memory was 117.0MB in the beginning and 107.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:52:16,921 INFO L158 Benchmark]: TraceAbstraction took 697.71ms. Allocated memory is still 176.2MB. Free memory was 106.6MB in the beginning and 83.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:16,921 INFO L158 Benchmark]: Witness Printer took 6.23ms. Allocated memory is still 176.2MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 941.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:16,931 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 132.1MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1097.38ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 87.2MB in the beginning and 122.2MB in the end (delta: -35.0MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.38ms. Allocated memory is still 176.2MB. Free memory was 122.2MB in the beginning and 119.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.27ms. Allocated memory is still 176.2MB. Free memory was 119.1MB in the beginning and 117.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 354.29ms. Allocated memory is still 176.2MB. Free memory was 117.0MB in the beginning and 107.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 697.71ms. Allocated memory is still 176.2MB. Free memory was 106.6MB in the beginning and 83.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 6.23ms. Allocated memory is still 176.2MB. Free memory was 83.5MB in the beginning and 82.6MB in the end (delta: 941.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short90 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 851]: 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 851, overapproximation of someUnaryFLOAToperation at line 850. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L848] EXPR __builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x) [L848] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x))) [L849] float y = sinf(x); [L850] float z = -sinf(-x); [L851] COND TRUE !(y == z) VAL [y=117] [L851] reach_error() VAL [y=117] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 2 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=9occurred 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, 0.1s 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 11:52:16,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme --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 7b4cc8baa8351099c29e59878298e93a353b17b98bdb5b40651d44aefe2bac1b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:19,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:19,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:52:19,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:19,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:19,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:19,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:19,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:19,964 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:19,970 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:19,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:19,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:19,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:19,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:19,974 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:19,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:19,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:19,976 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:52:19,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:52:19,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:19,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:19,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:19,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:19,979 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:52:19,979 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:52:19,980 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:52:19,980 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:52:19,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:19,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:19,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:19,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:19,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:52:19,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:19,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:19,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:19,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:19,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:19,986 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:52:19,986 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:52:19,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:19,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:19,987 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:19,987 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:19,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:19,988 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:52:19,988 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b4cc8baa8351099c29e59878298e93a353b17b98bdb5b40651d44aefe2bac1b [2023-11-26 11:52:20,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:20,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:20,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:20,431 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:20,431 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:20,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i [2023-11-26 11:52:23,595 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:23,963 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:23,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i [2023-11-26 11:52:23,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/data/e69e5ab41/907a2088ccef4dc29d8a726fff111c8c/FLAG089c43251 [2023-11-26 11:52:24,005 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/data/e69e5ab41/907a2088ccef4dc29d8a726fff111c8c [2023-11-26 11:52:24,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:24,012 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:24,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:24,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:24,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:24,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:24" (1/1) ... [2023-11-26 11:52:24,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e12c70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:24, skipping insertion in model container [2023-11-26 11:52:24,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:24" (1/1) ... [2023-11-26 11:52:24,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:24,818 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_75ac865b-1c3d-4608-8915-ef82424403e6/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i[63035,63048] [2023-11-26 11:52:24,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:24,836 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:24,885 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_75ac865b-1c3d-4608-8915-ef82424403e6/sv-benchmarks/c/neural-networks/sin_7_safe.c-amalgamation.i[63035,63048] [2023-11-26 11:52:24,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:25,041 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:25,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25 WrapperNode [2023-11-26 11:52:25,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:25,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:25,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:25,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:25,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,114 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2023-11-26 11:52:25,115 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:25,116 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:25,116 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:25,116 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:25,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,141 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2023-11-26 11:52:25,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,153 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,154 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:25,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:25,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:25,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:25,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (1/1) ... [2023-11-26 11:52:25,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:25,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:25,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:25,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:52:25,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 11:52:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:25,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:25,377 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:25,382 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:25,532 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:25,570 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:25,570 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:52:25,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:25 BoogieIcfgContainer [2023-11-26 11:52:25,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:25,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:25,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:25,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:25,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:24" (1/3) ... [2023-11-26 11:52:25,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77161eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:25, skipping insertion in model container [2023-11-26 11:52:25,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:25" (2/3) ... [2023-11-26 11:52:25,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77161eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:25, skipping insertion in model container [2023-11-26 11:52:25,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:25" (3/3) ... [2023-11-26 11:52:25,598 INFO L112 eAbstractionObserver]: Analyzing ICFG sin_7_safe.c-amalgamation.i [2023-11-26 11:52:25,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:25,619 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:52:25,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:25,688 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=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;@1f183fd4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:25,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:52:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 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) [2023-11-26 11:52:25,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-26 11:52:25,701 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:25,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-26 11:52:25,702 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:25,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:25,709 INFO L85 PathProgramCache]: Analyzing trace with hash 49104602, now seen corresponding path program 1 times [2023-11-26 11:52:25,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:52:25,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212669988] [2023-11-26 11:52:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:25,725 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 [2023-11-26 11:52:25,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:52:25,732 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:52:25,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:52:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:25,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:52:25,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:25,852 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:25,853 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:52:25,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212669988] [2023-11-26 11:52:25,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212669988] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:25,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:25,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:25,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263700938] [2023-11-26 11:52:25,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:25,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:52:25,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:52:25,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:52:25,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:52:25,897 INFO L87 Difference]: Start difference. First operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 7 states have internal predecessors, (9), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-11-26 11:52:25,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:25,920 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2023-11-26 11:52:25,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:52:25,923 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2023-11-26 11:52:25,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:25,931 INFO L225 Difference]: With dead ends: 14 [2023-11-26 11:52:25,932 INFO L226 Difference]: Without dead ends: 6 [2023-11-26 11:52:25,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:52:25,939 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:25,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:25,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2023-11-26 11:52:25,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2023-11-26 11:52:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 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) [2023-11-26 11:52:25,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2023-11-26 11:52:25,985 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 5 [2023-11-26 11:52:25,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:25,986 INFO L495 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2023-11-26 11:52:25,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-11-26 11:52:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2023-11-26 11:52:25,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-26 11:52:25,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:25,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-26 11:52:25,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:26,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:52:26,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:26,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:26,192 INFO L85 PathProgramCache]: Analyzing trace with hash 49164184, now seen corresponding path program 1 times [2023-11-26 11:52:26,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:52:26,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961439910] [2023-11-26 11:52:26,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:26,193 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 [2023-11-26 11:52:26,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:52:26,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:52:26,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:52:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:26,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:52:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:52:26,306 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-26 11:52:26,307 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:52:26,308 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:52:26,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/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)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:26,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:52:26,522 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:52:26,526 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:52:26,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:26 BoogieIcfgContainer [2023-11-26 11:52:26,554 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:52:26,555 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:26,555 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:26,555 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:26,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:25" (3/4) ... [2023-11-26 11:52:26,560 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:52:26,562 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:26,564 INFO L158 Benchmark]: Toolchain (without parser) took 2550.50ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 46.5MB in the beginning and 57.8MB in the end (delta: -11.3MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2023-11-26 11:52:26,568 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:26,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1026.53ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 46.3MB in the beginning and 45.2MB in the end (delta: 1.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-26 11:52:26,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.21ms. Allocated memory is still 90.2MB. Free memory was 45.2MB in the beginning and 42.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:26,574 INFO L158 Benchmark]: Boogie Preprocessor took 41.85ms. Allocated memory is still 90.2MB. Free memory was 42.3MB in the beginning and 40.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:52:26,574 INFO L158 Benchmark]: RCFGBuilder took 412.29ms. Allocated memory is still 90.2MB. Free memory was 40.4MB in the beginning and 55.7MB in the end (delta: -15.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-26 11:52:26,578 INFO L158 Benchmark]: TraceAbstraction took 973.64ms. Allocated memory is still 90.2MB. Free memory was 54.8MB in the beginning and 57.8MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:26,581 INFO L158 Benchmark]: Witness Printer took 7.08ms. Allocated memory is still 90.2MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:26,585 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1026.53ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 46.3MB in the beginning and 45.2MB in the end (delta: 1.1MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.21ms. Allocated memory is still 90.2MB. Free memory was 45.2MB in the beginning and 42.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.85ms. Allocated memory is still 90.2MB. Free memory was 42.3MB in the beginning and 40.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.29ms. Allocated memory is still 90.2MB. Free memory was 40.4MB in the beginning and 55.7MB in the end (delta: -15.2MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * TraceAbstraction took 973.64ms. Allocated memory is still 90.2MB. Free memory was 54.8MB in the beginning and 57.8MB in the end (delta: -3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.08ms. Allocated memory is still 90.2MB. Free memory is still 57.8MB. 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: 851]: 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 __builtin_isinf_sign at line 848, overapproximation of sinf at line 849. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && !__builtin_isinf_sign (x))) [L849] float y = sinf(x); [L850] float z = -sinf(-x); [L851] COND TRUE !(y == z) VAL [x=0.0, y=0.0, z=-2.0] [L851] reach_error() VAL [x=0.0, y=0.0, z=-2.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 5 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 23 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 11:52:26,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75ac865b-1c3d-4608-8915-ef82424403e6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample