./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/cos_6_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/neural-networks/cos_6_safe.c-amalgamation.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 d75a8fa09bc3aeca6d8e03acb2a9e3d07e5097f690ed5154f2f78dd945e76807 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 23:50:21,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 23:50:21,793 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-21 23:50:21,799 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 23:50:21,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 23:50:21,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 23:50:21,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 23:50:21,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 23:50:21,827 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 23:50:21,828 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 23:50:21,828 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 23:50:21,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 23:50:21,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 23:50:21,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 23:50:21,830 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 23:50:21,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 23:50:21,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 23:50:21,832 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 23:50:21,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-21 23:50:21,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 23:50:21,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 23:50:21,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 23:50:21,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 23:50:21,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 23:50:21,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 23:50:21,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 23:50:21,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 23:50:21,838 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 23:50:21,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 23:50:21,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 23:50:21,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 23:50:21,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 23:50:21,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:50:21,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 23:50:21,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 23:50:21,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 23:50:21,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-21 23:50:21,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-21 23:50:21,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 23:50:21,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 23:50:21,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 23:50:21,842 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 23:50:21,842 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d75a8fa09bc3aeca6d8e03acb2a9e3d07e5097f690ed5154f2f78dd945e76807 [2024-11-21 23:50:22,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 23:50:22,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 23:50:22,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 23:50:22,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 23:50:22,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 23:50:22,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/cos_6_safe.c-amalgamation.i [2024-11-21 23:50:23,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 23:50:23,624 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 23:50:23,624 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/cos_6_safe.c-amalgamation.i [2024-11-21 23:50:23,644 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33b789060/fb1fe1605b4e4a97a994ce2c1a16f64d/FLAG7d670e3b1 [2024-11-21 23:50:23,986 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33b789060/fb1fe1605b4e4a97a994ce2c1a16f64d [2024-11-21 23:50:23,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 23:50:23,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 23:50:23,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 23:50:23,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 23:50:23,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 23:50:23,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:23" (1/1) ... [2024-11-21 23:50:23,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18fec418 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:23, skipping insertion in model container [2024-11-21 23:50:23,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:23" (1/1) ... [2024-11-21 23:50:24,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 23:50:24,484 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1496) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3183) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3028) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1165) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1148) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1628) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3506) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2498) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:640) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-21 23:50:24,488 INFO L158 Benchmark]: Toolchain (without parser) took 498.49ms. Allocated memory is still 165.7MB. Free memory was 94.3MB in the beginning and 131.1MB in the end (delta: -36.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-21 23:50:24,489 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 165.7MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:50:24,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.84ms. Allocated memory is still 165.7MB. Free memory was 94.2MB in the beginning and 131.1MB in the end (delta: -36.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-11-21 23:50:24,491 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 165.7MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.84ms. Allocated memory is still 165.7MB. Free memory was 94.2MB in the beginning and 131.1MB in the end (delta: -36.9MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) RESULT: Ultimate could not prove your program: Toolchain returned no result. 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: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/neural-networks/cos_6_safe.c-amalgamation.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 d75a8fa09bc3aeca6d8e03acb2a9e3d07e5097f690ed5154f2f78dd945e76807 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-21 23:50:26,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-21 23:50:26,229 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-21 23:50:26,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-21 23:50:26,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-21 23:50:26,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-21 23:50:26,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-21 23:50:26,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-21 23:50:26,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-21 23:50:26,267 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-21 23:50:26,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-21 23:50:26,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-21 23:50:26,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-21 23:50:26,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-21 23:50:26,268 INFO L153 SettingsManager]: * Use SBE=true [2024-11-21 23:50:26,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-21 23:50:26,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-21 23:50:26,269 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-21 23:50:26,269 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-21 23:50:26,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-21 23:50:26,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-21 23:50:26,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-21 23:50:26,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-21 23:50:26,273 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-21 23:50:26,273 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-21 23:50:26,273 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-21 23:50:26,274 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-21 23:50:26,274 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-21 23:50:26,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-21 23:50:26,274 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-21 23:50:26,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-21 23:50:26,274 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-21 23:50:26,275 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-21 23:50:26,275 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-21 23:50:26,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:50:26,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-21 23:50:26,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-21 23:50:26,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-21 23:50:26,276 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-21 23:50:26,276 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-21 23:50:26,276 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-21 23:50:26,278 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-21 23:50:26,278 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-21 23:50:26,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-21 23:50:26,279 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d75a8fa09bc3aeca6d8e03acb2a9e3d07e5097f690ed5154f2f78dd945e76807 [2024-11-21 23:50:26,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-21 23:50:26,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-21 23:50:26,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-21 23:50:26,540 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-21 23:50:26,541 INFO L274 PluginConnector]: CDTParser initialized [2024-11-21 23:50:26,542 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/cos_6_safe.c-amalgamation.i [2024-11-21 23:50:27,951 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-21 23:50:28,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-21 23:50:28,210 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/cos_6_safe.c-amalgamation.i [2024-11-21 23:50:28,235 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fab9892a/ce27734417aa411cbd443db7a4d20972/FLAGbfa0b5dda [2024-11-21 23:50:28,520 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fab9892a/ce27734417aa411cbd443db7a4d20972 [2024-11-21 23:50:28,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-21 23:50:28,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-21 23:50:28,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-21 23:50:28,525 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-21 23:50:28,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-21 23:50:28,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:28" (1/1) ... [2024-11-21 23:50:28,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4bf12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:28, skipping insertion in model container [2024-11-21 23:50:28,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:50:28" (1/1) ... [2024-11-21 23:50:28,587 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-21 23:50:29,115 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/cos_6_safe.c-amalgamation.i[63147,63160] [2024-11-21 23:50:29,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:50:29,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-21 23:50:29,169 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/cos_6_safe.c-amalgamation.i[63147,63160] [2024-11-21 23:50:29,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-21 23:50:29,329 INFO L204 MainTranslator]: Completed translation [2024-11-21 23:50:29,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29 WrapperNode [2024-11-21 23:50:29,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-21 23:50:29,330 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-21 23:50:29,330 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-21 23:50:29,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-21 23:50:29,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,380 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-21 23:50:29,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-21 23:50:29,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-21 23:50:29,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-21 23:50:29,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-21 23:50:29,387 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,389 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,396 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]. [2024-11-21 23:50:29,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,408 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-21 23:50:29,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-21 23:50:29,409 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-21 23:50:29,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-21 23:50:29,410 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (1/1) ... [2024-11-21 23:50:29,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-21 23:50:29,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-21 23:50:29,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-21 23:50:29,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-21 23:50:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-21 23:50:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-21 23:50:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-21 23:50:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-21 23:50:29,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-21 23:50:29,587 INFO L238 CfgBuilder]: Building ICFG [2024-11-21 23:50:29,590 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-21 23:50:29,696 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-21 23:50:29,696 INFO L287 CfgBuilder]: Performing block encoding [2024-11-21 23:50:29,712 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-21 23:50:29,712 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-21 23:50:29,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:29 BoogieIcfgContainer [2024-11-21 23:50:29,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-21 23:50:29,714 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-21 23:50:29,714 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-21 23:50:29,717 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-21 23:50:29,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:50:28" (1/3) ... [2024-11-21 23:50:29,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce85da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:50:29, skipping insertion in model container [2024-11-21 23:50:29,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:50:29" (2/3) ... [2024-11-21 23:50:29,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ce85da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:50:29, skipping insertion in model container [2024-11-21 23:50:29,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:29" (3/3) ... [2024-11-21 23:50:29,722 INFO L112 eAbstractionObserver]: Analyzing ICFG cos_6_safe.c-amalgamation.i [2024-11-21 23:50:29,737 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-21 23:50:29,738 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-21 23:50:29,788 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-21 23:50:29,793 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1bd2424e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-21 23:50:29,794 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-21 23:50:29,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:50:29,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-21 23:50:29,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:50:29,803 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-21 23:50:29,803 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:50:29,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:50:29,808 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2024-11-21 23:50:29,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:50:29,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1040722047] [2024-11-21 23:50:29,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:50:29,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:50:29,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:50:29,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-21 23:50:29,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-21 23:50:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-21 23:50:29,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-21 23:50:29,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-21 23:50:29,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-21 23:50:29,928 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-21 23:50:29,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-21 23:50:29,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1040722047] [2024-11-21 23:50:29,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1040722047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-21 23:50:29,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-21 23:50:29,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-21 23:50:29,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149208179] [2024-11-21 23:50:29,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-21 23:50:29,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-21 23:50:29,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-21 23:50:29,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-21 23:50:29,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 23:50:29,952 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:50:29,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-21 23:50:29,959 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-21 23:50:29,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-21 23:50:29,960 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-21 23:50:29,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-21 23:50:29,965 INFO L225 Difference]: With dead ends: 19 [2024-11-21 23:50:29,981 INFO L226 Difference]: Without dead ends: 7 [2024-11-21 23:50:29,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-21 23:50:29,988 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-21 23:50:29,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-21 23:50:30,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-21 23:50:30,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-21 23:50:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:50:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2024-11-21 23:50:30,009 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2024-11-21 23:50:30,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-21 23:50:30,009 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2024-11-21 23:50:30,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-21 23:50:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-21 23:50:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-21 23:50:30,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-21 23:50:30,011 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-21 23:50:30,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-11-21 23:50:30,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:50:30,212 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-21 23:50:30,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-21 23:50:30,213 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2024-11-21 23:50:30,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-21 23:50:30,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394270255] [2024-11-21 23:50:30,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-21 23:50:30,214 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:50:30,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-21 23:50:30,217 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-21 23:50:30,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-21 23:50:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:50:30,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-21 23:50:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-21 23:50:30,314 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-21 23:50:30,315 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-21 23:50:30,317 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-21 23:50:30,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-21 23:50:30,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-21 23:50:30,522 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-21 23:50:30,534 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-21 23:50:30,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:50:30 BoogieIcfgContainer [2024-11-21 23:50:30,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-21 23:50:30,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-21 23:50:30,538 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-21 23:50:30,538 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-21 23:50:30,538 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:50:29" (3/4) ... [2024-11-21 23:50:30,540 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-21 23:50:30,541 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-21 23:50:30,541 INFO L158 Benchmark]: Toolchain (without parser) took 2018.30ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 32.5MB in the beginning and 73.9MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:50:30,541 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 73.4MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:50:30,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.51ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 32.3MB in the beginning and 78.2MB in the end (delta: -45.8MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-21 23:50:30,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.18ms. Allocated memory is still 111.1MB. Free memory was 78.2MB in the beginning and 75.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:50:30,542 INFO L158 Benchmark]: Boogie Preprocessor took 27.67ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 73.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-21 23:50:30,543 INFO L158 Benchmark]: RCFGBuilder took 303.73ms. Allocated memory is still 111.1MB. Free memory was 73.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-21 23:50:30,543 INFO L158 Benchmark]: TraceAbstraction took 823.15ms. Allocated memory is still 111.1MB. Free memory was 62.6MB in the beginning and 74.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:50:30,543 INFO L158 Benchmark]: Witness Printer took 3.16ms. Allocated memory is still 111.1MB. Free memory was 74.6MB in the beginning and 73.9MB in the end (delta: 752.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-21 23:50:30,546 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 73.4MB. Free memory is still 43.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.51ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 32.3MB in the beginning and 78.2MB in the end (delta: -45.8MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.18ms. Allocated memory is still 111.1MB. Free memory was 78.2MB in the beginning and 75.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.67ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 73.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 303.73ms. Allocated memory is still 111.1MB. Free memory was 73.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 823.15ms. Allocated memory is still 111.1MB. Free memory was 62.6MB in the beginning and 74.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.16ms. Allocated memory is still 111.1MB. Free memory was 74.6MB in the beginning and 73.9MB in the end (delta: 752.5kB). 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 acosf at line 849. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] COND FALSE !(!(__builtin_isgreaterequal(x, 0.0f) && __builtin_islessequal(x, 3.1415926535897932384626433832795028841971693993751058209749445923078164062f))) VAL [x=0.0] [L849] float y = acosf(cosf(x)); [L850] float z = fabsf(x - y); VAL [z=2.0] [L851] COND TRUE !(__builtin_islessequal(z, 1e-2f)) [L851] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 24 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 [2024-11-21 23:50:30,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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