./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_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/tanh_w4_r1_case_1_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 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 00:38:13,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 00:38:13,958 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-22 00:38:13,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 00:38:13,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 00:38:13,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 00:38:13,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 00:38:13,988 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 00:38:13,989 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 00:38:13,990 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 00:38:13,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 00:38:13,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 00:38:13,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 00:38:13,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 00:38:13,992 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 00:38:13,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 00:38:13,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 00:38:13,993 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 00:38:13,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 00:38:13,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 00:38:13,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 00:38:13,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 00:38:13,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 00:38:13,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 00:38:13,997 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 00:38:13,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 00:38:13,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 00:38:13,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 00:38:13,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 00:38:13,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 00:38:13,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 00:38:13,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 00:38:13,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 00:38:13,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 00:38:13,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 00:38:13,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 00:38:13,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 00:38:13,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 00:38:13,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 00:38:13,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 00:38:13,999 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 00:38:14,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 00:38:14,000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c [2024-11-22 00:38:14,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 00:38:14,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 00:38:14,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 00:38:14,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 00:38:14,231 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 00:38:14,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i [2024-11-22 00:38:15,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 00:38:15,826 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 00:38:15,828 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i [2024-11-22 00:38:15,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a2091452/301914a27fd145dcb3fb463fe7888fa0/FLAGbadfa4cfb [2024-11-22 00:38:15,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a2091452/301914a27fd145dcb3fb463fe7888fa0 [2024-11-22 00:38:15,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 00:38:15,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 00:38:15,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 00:38:15,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 00:38:15,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 00:38:15,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:38:15" (1/1) ... [2024-11-22 00:38:15,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b7f669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:15, skipping insertion in model container [2024-11-22 00:38:15,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:38:15" (1/1) ... [2024-11-22 00:38:16,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 00:38:16,581 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/tanh_w4_r1_case_1_safe.c-amalgamation.i[71397,71410] [2024-11-22 00:38:16,711 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:790) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2554) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:790) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:790) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) 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.handleLoopBody(CHandler.java:3601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1555) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) 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) [2024-11-22 00:38:16,715 INFO L158 Benchmark]: Toolchain (without parser) took 839.84ms. Allocated memory is still 157.3MB. Free memory was 84.5MB in the beginning and 101.3MB in the end (delta: -16.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 00:38:16,715 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-22 00:38:16,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.01ms. Allocated memory is still 157.3MB. Free memory was 84.3MB in the beginning and 101.3MB in the end (delta: -17.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-22 00:38:16,716 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 104.9MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 837.01ms. Allocated memory is still 157.3MB. Free memory was 84.3MB in the beginning and 101.3MB in the end (delta: -17.0MB). Peak memory consumption was 6.3MB. 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/tanh_w4_r1_case_1_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 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 00:38:18,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 00:38:18,486 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-22 00:38:18,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 00:38:18,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 00:38:18,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 00:38:18,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 00:38:18,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 00:38:18,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 00:38:18,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 00:38:18,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 00:38:18,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 00:38:18,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 00:38:18,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 00:38:18,522 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 00:38:18,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 00:38:18,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 00:38:18,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 00:38:18,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 00:38:18,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 00:38:18,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 00:38:18,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 00:38:18,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 00:38:18,525 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-22 00:38:18,525 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-22 00:38:18,525 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 00:38:18,525 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-22 00:38:18,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 00:38:18,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 00:38:18,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 00:38:18,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 00:38:18,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 00:38:18,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 00:38:18,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 00:38:18,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 00:38:18,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 00:38:18,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 00:38:18,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 00:38:18,529 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-22 00:38:18,529 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-22 00:38:18,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 00:38:18,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 00:38:18,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 00:38:18,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 00:38:18,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c [2024-11-22 00:38:18,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 00:38:18,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 00:38:18,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 00:38:18,801 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 00:38:18,801 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 00:38:18,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i [2024-11-22 00:38:20,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 00:38:20,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 00:38:20,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i [2024-11-22 00:38:20,509 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d606d8e28/3f4c3901ed7b4039b49a83f0c7303b44/FLAG973be4c53 [2024-11-22 00:38:20,523 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d606d8e28/3f4c3901ed7b4039b49a83f0c7303b44 [2024-11-22 00:38:20,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 00:38:20,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 00:38:20,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 00:38:20,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 00:38:20,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 00:38:20,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:38:20" (1/1) ... [2024-11-22 00:38:20,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b05801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:20, skipping insertion in model container [2024-11-22 00:38:20,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:38:20" (1/1) ... [2024-11-22 00:38:20,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 00:38:21,141 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/tanh_w4_r1_case_1_safe.c-amalgamation.i[71397,71410] [2024-11-22 00:38:21,318 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-22 00:38:21,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 00:38:21,390 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 00:38:21,433 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/tanh_w4_r1_case_1_safe.c-amalgamation.i[71397,71410] [2024-11-22 00:38:21,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 00:38:21,765 INFO L204 MainTranslator]: Completed translation [2024-11-22 00:38:21,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21 WrapperNode [2024-11-22 00:38:21,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 00:38:21,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 00:38:21,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 00:38:21,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 00:38:21,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,885 INFO L138 Inliner]: procedures = 780, calls = 705, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 405 [2024-11-22 00:38:21,885 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 00:38:21,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 00:38:21,886 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 00:38:21,886 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 00:38:21,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,902 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,932 INFO L175 MemorySlicer]: Split 169 memory accesses to 12 slices as follows [2, 7, 9, 19, 2, 8, 12, 11, 11, 10, 35, 43]. 25 percent of accesses are in the largest equivalence class. The 75 initializations are split as follows [2, 7, 8, 8, 2, 4, 8, 8, 8, 8, 0, 12]. The 56 writes are split as follows [0, 0, 0, 5, 0, 3, 0, 0, 0, 0, 34, 14]. [2024-11-22 00:38:21,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 00:38:21,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 00:38:21,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 00:38:21,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 00:38:21,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (1/1) ... [2024-11-22 00:38:21,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 00:38:22,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 00:38:22,017 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) [2024-11-22 00:38:22,019 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 [2024-11-22 00:38:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-22 00:38:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-22 00:38:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-22 00:38:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-22 00:38:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-22 00:38:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-22 00:38:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-22 00:38:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-22 00:38:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-22 00:38:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-22 00:38:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-22 00:38:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-22 00:38:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-22 00:38:22,056 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-22 00:38:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-22 00:38:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 00:38:22,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-22 00:38:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-22 00:38:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-22 00:38:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-22 00:38:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-22 00:38:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-22 00:38:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-22 00:38:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-22 00:38:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-22 00:38:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-22 00:38:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-22 00:38:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-22 00:38:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-22 00:38:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-22 00:38:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-22 00:38:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-22 00:38:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-22 00:38:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-22 00:38:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-22 00:38:22,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-22 00:38:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-22 00:38:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-22 00:38:22,059 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-22 00:38:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-22 00:38:22,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-22 00:38:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 00:38:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-22 00:38:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-22 00:38:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-22 00:38:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-22 00:38:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-22 00:38:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-22 00:38:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-22 00:38:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-22 00:38:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-22 00:38:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-22 00:38:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-22 00:38:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-22 00:38:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-22 00:38:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-22 00:38:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-22 00:38:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-22 00:38:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-22 00:38:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-22 00:38:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-22 00:38:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-22 00:38:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-22 00:38:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-22 00:38:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-22 00:38:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-22 00:38:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-22 00:38:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-22 00:38:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-22 00:38:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-22 00:38:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-22 00:38:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-22 00:38:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-22 00:38:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-22 00:38:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-22 00:38:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-22 00:38:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-22 00:38:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-22 00:38:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-22 00:38:22,066 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-22 00:38:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-22 00:38:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-22 00:38:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-22 00:38:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-22 00:38:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-22 00:38:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-22 00:38:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-22 00:38:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-22 00:38:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-22 00:38:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-22 00:38:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-22 00:38:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-22 00:38:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-22 00:38:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-22 00:38:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-22 00:38:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-22 00:38:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-22 00:38:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-22 00:38:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-22 00:38:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-22 00:38:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-22 00:38:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-22 00:38:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-22 00:38:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-22 00:38:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 00:38:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 00:38:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 00:38:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 00:38:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 00:38:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 00:38:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 00:38:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 00:38:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-22 00:38:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-22 00:38:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-22 00:38:22,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-22 00:38:22,362 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 00:38:22,365 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 00:38:31,119 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2024-11-22 00:38:31,119 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 00:38:31,133 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 00:38:31,134 INFO L316 CfgBuilder]: Removed 20 assume(true) statements. [2024-11-22 00:38:31,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:38:31 BoogieIcfgContainer [2024-11-22 00:38:31,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 00:38:31,137 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 00:38:31,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 00:38:31,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 00:38:31,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:38:20" (1/3) ... [2024-11-22 00:38:31,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579607bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:38:31, skipping insertion in model container [2024-11-22 00:38:31,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:38:21" (2/3) ... [2024-11-22 00:38:31,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@579607bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:38:31, skipping insertion in model container [2024-11-22 00:38:31,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:38:31" (3/3) ... [2024-11-22 00:38:31,144 INFO L112 eAbstractionObserver]: Analyzing ICFG tanh_w4_r1_case_1_safe.c-amalgamation.i [2024-11-22 00:38:31,157 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 00:38:31,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 00:38:31,215 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 00:38:31,221 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;@16589ac1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 00:38:31,223 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 00:38:31,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 114 states have (on average 1.5350877192982457) internal successors, (175), 115 states have internal predecessors, (175), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 00:38:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-22 00:38:31,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:38:31,235 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 00:38:31,235 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:38:31,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:38:31,241 INFO L85 PathProgramCache]: Analyzing trace with hash 67219695, now seen corresponding path program 1 times [2024-11-22 00:38:31,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 00:38:31,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430160588] [2024-11-22 00:38:31,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:38:31,256 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 [2024-11-22 00:38:31,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 00:38:31,260 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) [2024-11-22 00:38:31,261 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 [2024-11-22 00:38:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:38:31,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-22 00:38:31,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 00:38:31,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 00:38:31,923 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 00:38:31,923 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 00:38:31,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430160588] [2024-11-22 00:38:31,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430160588] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 00:38:31,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 00:38:31,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 00:38:31,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215470271] [2024-11-22 00:38:31,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 00:38:31,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 00:38:31,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 00:38:31,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 00:38:31,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 00:38:31,945 INFO L87 Difference]: Start difference. First operand has 128 states, 114 states have (on average 1.5350877192982457) internal successors, (175), 115 states have internal predecessors, (175), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 00:38:31,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:38:31,975 INFO L93 Difference]: Finished difference Result 252 states and 378 transitions. [2024-11-22 00:38:31,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 00:38:31,977 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-22 00:38:31,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:38:31,985 INFO L225 Difference]: With dead ends: 252 [2024-11-22 00:38:31,985 INFO L226 Difference]: Without dead ends: 124 [2024-11-22 00:38:31,989 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 00:38:31,992 INFO L432 NwaCegarLoop]: 167 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, 167 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 [2024-11-22 00:38:31,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 00:38:32,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-22 00:38:32,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-22 00:38:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 111 states have (on average 1.3423423423423424) internal successors, (149), 111 states have internal predecessors, (149), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 00:38:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 163 transitions. [2024-11-22 00:38:32,028 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 163 transitions. Word has length 17 [2024-11-22 00:38:32,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:38:32,030 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 163 transitions. [2024-11-22 00:38:32,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 00:38:32,030 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 163 transitions. [2024-11-22 00:38:32,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-22 00:38:32,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:38:32,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 00:38:32,045 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 (2)] Ended with exit code 0 [2024-11-22 00:38:32,231 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 [2024-11-22 00:38:32,232 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:38:32,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:38:32,233 INFO L85 PathProgramCache]: Analyzing trace with hash 612732690, now seen corresponding path program 1 times [2024-11-22 00:38:32,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 00:38:32,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171447541] [2024-11-22 00:38:32,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:38:32,234 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 [2024-11-22 00:38:32,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 00:38:32,237 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) [2024-11-22 00:38:32,238 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 [2024-11-22 00:38:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:38:32,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 00:38:32,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 00:38:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 00:38:34,991 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 00:38:34,991 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 00:38:34,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171447541] [2024-11-22 00:38:34,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171447541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 00:38:34,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 00:38:34,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-22 00:38:34,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186570956] [2024-11-22 00:38:34,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 00:38:34,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 00:38:34,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 00:38:34,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 00:38:34,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-22 00:38:34,993 INFO L87 Difference]: Start difference. First operand 124 states and 163 transitions. Second operand has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 00:38:40,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 00:38:44,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 00:38:48,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-22 00:38:52,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-22 00:38:56,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-22 00:39:01,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:39:01,493 INFO L93 Difference]: Finished difference Result 150 states and 196 transitions. [2024-11-22 00:39:01,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 00:39:01,495 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-22 00:39:01,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:39:01,498 INFO L225 Difference]: With dead ends: 150 [2024-11-22 00:39:01,498 INFO L226 Difference]: Without dead ends: 138 [2024-11-22 00:39:01,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-22 00:39:01,499 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 224 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 4 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2024-11-22 00:39:01,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 733 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 97 Invalid, 5 Unknown, 0 Unchecked, 26.4s Time] [2024-11-22 00:39:01,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-22 00:39:01,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 125. [2024-11-22 00:39:01,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 112 states have (on average 1.3392857142857142) internal successors, (150), 112 states have internal predecessors, (150), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 00:39:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 164 transitions. [2024-11-22 00:39:01,519 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 164 transitions. Word has length 17 [2024-11-22 00:39:01,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:39:01,519 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 164 transitions. [2024-11-22 00:39:01,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 00:39:01,520 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 164 transitions. [2024-11-22 00:39:01,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-22 00:39:01,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:39:01,520 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 00:39:01,538 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 [2024-11-22 00:39:01,721 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 [2024-11-22 00:39:01,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:39:01,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:39:01,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1685630519, now seen corresponding path program 1 times [2024-11-22 00:39:01,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 00:39:01,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737467850] [2024-11-22 00:39:01,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:39:01,723 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 [2024-11-22 00:39:01,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 00:39:01,725 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-22 00:39:01,726 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 (4)] Waiting until timeout for monitored process [2024-11-22 00:39:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:39:02,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 00:39:02,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 00:39:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 00:39:03,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 00:39:03,905 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 00:39:03,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737467850] [2024-11-22 00:39:03,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737467850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 00:39:03,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 00:39:03,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 00:39:03,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638399892] [2024-11-22 00:39:03,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 00:39:03,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 00:39:03,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 00:39:03,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 00:39:03,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 00:39:03,913 INFO L87 Difference]: Start difference. First operand 125 states and 164 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 00:39:04,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:39:04,533 INFO L93 Difference]: Finished difference Result 136 states and 176 transitions. [2024-11-22 00:39:04,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 00:39:04,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-22 00:39:04,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:39:04,535 INFO L225 Difference]: With dead ends: 136 [2024-11-22 00:39:04,535 INFO L226 Difference]: Without dead ends: 116 [2024-11-22 00:39:04,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 00:39:04,536 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 15 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 00:39:04,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 623 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 00:39:04,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-22 00:39:04,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-22 00:39:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 104 states have (on average 1.3269230769230769) internal successors, (138), 104 states have internal predecessors, (138), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 00:39:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 150 transitions. [2024-11-22 00:39:04,546 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 150 transitions. Word has length 17 [2024-11-22 00:39:04,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:39:04,546 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 150 transitions. [2024-11-22 00:39:04,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 00:39:04,547 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 150 transitions. [2024-11-22 00:39:04,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 00:39:04,548 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:39:04,548 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 00:39:04,566 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 (4)] Forceful destruction successful, exit code 0 [2024-11-22 00:39:04,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-22 00:39:04,749 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:39:04,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:39:04,750 INFO L85 PathProgramCache]: Analyzing trace with hash 555292476, now seen corresponding path program 1 times [2024-11-22 00:39:04,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 00:39:04,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1148287320] [2024-11-22 00:39:04,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:39:04,751 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 [2024-11-22 00:39:04,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 00:39:04,752 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-22 00:39:04,753 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 (5)] Waiting until timeout for monitored process [2024-11-22 00:39:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:39:05,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 00:39:05,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 00:39:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 00:39:28,866 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 00:39:50,234 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-22 00:39:50,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1148287320] [2024-11-22 00:39:50,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1148287320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 00:39:50,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [117731721] [2024-11-22 00:39:50,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:39:50,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-22 00:39:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-22 00:39:50,242 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-22 00:39:50,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-22 00:39:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:39:51,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 00:39:51,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 00:39:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-22 00:39:52,434 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 00:39:52,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [117731721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 00:39:52,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 00:39:52,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2024-11-22 00:39:52,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226019545] [2024-11-22 00:39:52,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 00:39:52,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 00:39:52,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-22 00:39:52,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 00:39:52,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-22 00:39:52,437 INFO L87 Difference]: Start difference. First operand 116 states and 150 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-22 00:39:52,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 00:39:52,773 INFO L93 Difference]: Finished difference Result 230 states and 301 transitions. [2024-11-22 00:39:52,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 00:39:52,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 62 [2024-11-22 00:39:52,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 00:39:52,775 INFO L225 Difference]: With dead ends: 230 [2024-11-22 00:39:52,775 INFO L226 Difference]: Without dead ends: 123 [2024-11-22 00:39:52,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 123 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-22 00:39:52,777 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 2 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 00:39:52,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 297 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 00:39:52,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-22 00:39:52,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-22 00:39:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 110 states have (on average 1.3181818181818181) internal successors, (145), 110 states have internal predecessors, (145), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 00:39:52,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 159 transitions. [2024-11-22 00:39:52,788 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 159 transitions. Word has length 62 [2024-11-22 00:39:52,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 00:39:52,788 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 159 transitions. [2024-11-22 00:39:52,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-22 00:39:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 159 transitions. [2024-11-22 00:39:52,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-22 00:39:52,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 00:39:52,791 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 00:39:52,814 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 (5)] Forceful destruction successful, exit code 0 [2024-11-22 00:39:53,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-22 00:39:53,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-22 00:39:53,192 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 00:39:53,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 00:39:53,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2010215692, now seen corresponding path program 1 times [2024-11-22 00:39:53,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-22 00:39:53,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1829394953] [2024-11-22 00:39:53,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 00:39:53,193 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 [2024-11-22 00:39:53,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-22 00:39:53,196 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-11-22 00:39:53,197 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 (7)] Waiting until timeout for monitored process [2024-11-22 00:39:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 00:39:54,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 00:39:54,240 INFO L278 TraceCheckSpWp]: Computing forward predicates...