./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_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 c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 23:25:28,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 23:25:29,071 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-23 23:25:29,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 23:25:29,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 23:25:29,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 23:25:29,100 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 23:25:29,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 23:25:29,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 23:25:29,101 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 23:25:29,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 23:25:29,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 23:25:29,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 23:25:29,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 23:25:29,103 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 23:25:29,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 23:25:29,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 23:25:29,106 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 23:25:29,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-23 23:25:29,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 23:25:29,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 23:25:29,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 23:25:29,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 23:25:29,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 23:25:29,111 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 23:25:29,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 23:25:29,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 23:25:29,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 23:25:29,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 23:25:29,113 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 23:25:29,113 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 23:25:29,113 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 23:25:29,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 23:25:29,114 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 23:25:29,114 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 23:25:29,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 23:25:29,115 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-23 23:25:29,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-23 23:25:29,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 23:25:29,116 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 23:25:29,116 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 23:25:29,116 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 23:25:29,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 [2024-10-23 23:25:29,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 23:25:29,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 23:25:29,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 23:25:29,481 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 23:25:29,482 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 23:25:29,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2024-10-23 23:25:30,927 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 23:25:31,315 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 23:25:31,316 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2024-10-23 23:25:31,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e38d754d9/19f904f1163d4f34a96e6431a173f562/FLAG0d95d47da [2024-10-23 23:25:31,371 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e38d754d9/19f904f1163d4f34a96e6431a173f562 [2024-10-23 23:25:31,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 23:25:31,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 23:25:31,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 23:25:31,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 23:25:31,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 23:25:31,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:25:31" (1/1) ... [2024-10-23 23:25:31,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543ba72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:31, skipping insertion in model container [2024-10-23 23:25:31,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:25:31" (1/1) ... [2024-10-23 23:25:31,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 23:25:32,424 WARN L248 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/softsign_w4_r3_case_0_safe.c-amalgamation.i[71417,71430] [2024-10-23 23:25:32,622 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:2969) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1587) 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:2541) 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:1495) 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:1151) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1134) 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:3555) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1541) 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:1151) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1134) 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:387) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1614) 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:3460) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2485) 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) [2024-10-23 23:25:32,630 INFO L158 Benchmark]: Toolchain (without parser) took 1253.29ms. Allocated memory is still 176.2MB. Free memory was 119.9MB in the beginning and 135.6MB in the end (delta: -15.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-23 23:25:32,630 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 23:25:32,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1249.12ms. Allocated memory is still 176.2MB. Free memory was 119.3MB in the beginning and 135.6MB in the end (delta: -16.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-23 23:25:32,632 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1249.12ms. Allocated memory is still 176.2MB. Free memory was 119.3MB in the beginning and 135.6MB in the end (delta: -16.3MB). Peak memory consumption was 29.4MB. 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_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 c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 23:25:34,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 23:25:34,840 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-23 23:25:34,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 23:25:34,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 23:25:34,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 23:25:34,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 23:25:34,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 23:25:34,884 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 23:25:34,886 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 23:25:34,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 23:25:34,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 23:25:34,887 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 23:25:34,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 23:25:34,889 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 23:25:34,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 23:25:34,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 23:25:34,891 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 23:25:34,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 23:25:34,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 23:25:34,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 23:25:34,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 23:25:34,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 23:25:34,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-23 23:25:34,896 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-23 23:25:34,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 23:25:34,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-23 23:25:34,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 23:25:34,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 23:25:34,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 23:25:34,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 23:25:34,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 23:25:34,900 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 23:25:34,900 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 23:25:34,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 23:25:34,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 23:25:34,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 23:25:34,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 23:25:34,902 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-23 23:25:34,903 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-23 23:25:34,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 23:25:34,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 23:25:34,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 23:25:34,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 23:25:34,904 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-23 23:25:34,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 [2024-10-23 23:25:35,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 23:25:35,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 23:25:35,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 23:25:35,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 23:25:35,297 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 23:25:35,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2024-10-23 23:25:36,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 23:25:37,361 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 23:25:37,362 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2024-10-23 23:25:37,394 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f400b52b/738f7976f9b940168b080fe19615257c/FLAGb26beeffa [2024-10-23 23:25:37,524 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f400b52b/738f7976f9b940168b080fe19615257c [2024-10-23 23:25:37,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 23:25:37,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 23:25:37,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 23:25:37,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 23:25:37,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 23:25:37,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:25:37" (1/1) ... [2024-10-23 23:25:37,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1913f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:37, skipping insertion in model container [2024-10-23 23:25:37,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:25:37" (1/1) ... [2024-10-23 23:25:37,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 23:25:38,589 WARN L248 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/softsign_w4_r3_case_0_safe.c-amalgamation.i[71417,71430] [2024-10-23 23:25:38,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 23:25:38,920 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-23 23:25:38,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 23:25:38,984 WARN L248 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/softsign_w4_r3_case_0_safe.c-amalgamation.i[71417,71430] [2024-10-23 23:25:39,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 23:25:39,110 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 23:25:39,179 WARN L248 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/softsign_w4_r3_case_0_safe.c-amalgamation.i[71417,71430] [2024-10-23 23:25:39,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 23:25:39,491 INFO L204 MainTranslator]: Completed translation [2024-10-23 23:25:39,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39 WrapperNode [2024-10-23 23:25:39,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 23:25:39,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 23:25:39,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 23:25:39,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 23:25:39,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,616 INFO L138 Inliner]: procedures = 780, calls = 699, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 399 [2024-10-23 23:25:39,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 23:25:39,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 23:25:39,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 23:25:39,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 23:25:39,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,651 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,697 INFO L175 MemorySlicer]: Split 163 memory accesses to 12 slices as follows [2, 43, 7, 2, 11, 6, 33, 12, 9, 17, 11, 10]. 26 percent of accesses are in the largest equivalence class. The 99 initializations are split as follows [2, 12, 7, 2, 8, 0, 32, 8, 8, 4, 8, 8]. The 26 writes are split as follows [0, 14, 0, 0, 0, 5, 0, 0, 0, 7, 0, 0]. [2024-10-23 23:25:39,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 23:25:39,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 23:25:39,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 23:25:39,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 23:25:39,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (1/1) ... [2024-10-23 23:25:39,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 23:25:39,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 23:25:39,865 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) [2024-10-23 23:25:39,872 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 [2024-10-23 23:25:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-10-23 23:25:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-10-23 23:25:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-10-23 23:25:39,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-10-23 23:25:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-10-23 23:25:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-10-23 23:25:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-10-23 23:25:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-10-23 23:25:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-10-23 23:25:39,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-10-23 23:25:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-10-23 23:25:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-10-23 23:25:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-10-23 23:25:39,925 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-10-23 23:25:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-10-23 23:25:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-10-23 23:25:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-10-23 23:25:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-10-23 23:25:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-10-23 23:25:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-10-23 23:25:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-10-23 23:25:39,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-10-23 23:25:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-10-23 23:25:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-10-23 23:25:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-10-23 23:25:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-10-23 23:25:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 23:25:39,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 23:25:39,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 23:25:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-23 23:25:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-23 23:25:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-23 23:25:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-23 23:25:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-23 23:25:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-23 23:25:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-23 23:25:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-23 23:25:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-23 23:25:39,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-23 23:25:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-23 23:25:39,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-23 23:25:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-23 23:25:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-23 23:25:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-23 23:25:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-23 23:25:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-23 23:25:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-23 23:25:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-23 23:25:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-23 23:25:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-23 23:25:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-23 23:25:39,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-23 23:25:39,932 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-23 23:25:39,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-23 23:25:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-23 23:25:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-10-23 23:25:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-10-23 23:25:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-10-23 23:25:39,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-10-23 23:25:39,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-23 23:25:39,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-23 23:25:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-23 23:25:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-23 23:25:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-23 23:25:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-23 23:25:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-23 23:25:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-23 23:25:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-23 23:25:39,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-23 23:25:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-23 23:25:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-23 23:25:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-23 23:25:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-10-23 23:25:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-10-23 23:25:39,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-10-23 23:25:39,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-10-23 23:25:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-10-23 23:25:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-10-23 23:25:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-10-23 23:25:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-10-23 23:25:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-10-23 23:25:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-10-23 23:25:39,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-10-23 23:25:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-10-23 23:25:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-10-23 23:25:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-10-23 23:25:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-10-23 23:25:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-10-23 23:25:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-10-23 23:25:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-10-23 23:25:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-10-23 23:25:39,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-10-23 23:25:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-10-23 23:25:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-10-23 23:25:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-10-23 23:25:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-10-23 23:25:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-10-23 23:25:39,941 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-10-23 23:25:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-23 23:25:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-23 23:25:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-23 23:25:39,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-23 23:25:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-23 23:25:39,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-23 23:25:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-23 23:25:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-23 23:25:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-23 23:25:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-23 23:25:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-23 23:25:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-23 23:25:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-10-23 23:25:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-10-23 23:25:39,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-10-23 23:25:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-10-23 23:25:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-10-23 23:25:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-10-23 23:25:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-10-23 23:25:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-10-23 23:25:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-10-23 23:25:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-10-23 23:25:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-10-23 23:25:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-10-23 23:25:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-23 23:25:39,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-23 23:25:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-23 23:25:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-23 23:25:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-23 23:25:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-23 23:25:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-23 23:25:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-23 23:25:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-23 23:25:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-23 23:25:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-23 23:25:39,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-23 23:25:40,319 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 23:25:40,321 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 23:25:49,124 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2024-10-23 23:25:49,124 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 23:25:49,219 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 23:25:49,219 INFO L314 CfgBuilder]: Removed 20 assume(true) statements. [2024-10-23 23:25:49,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:25:49 BoogieIcfgContainer [2024-10-23 23:25:49,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 23:25:49,222 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 23:25:49,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 23:25:49,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 23:25:49,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:25:37" (1/3) ... [2024-10-23 23:25:49,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab8f6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:25:49, skipping insertion in model container [2024-10-23 23:25:49,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:25:39" (2/3) ... [2024-10-23 23:25:49,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab8f6b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:25:49, skipping insertion in model container [2024-10-23 23:25:49,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:25:49" (3/3) ... [2024-10-23 23:25:49,230 INFO L112 eAbstractionObserver]: Analyzing ICFG softsign_w4_r3_case_0_safe.c-amalgamation.i [2024-10-23 23:25:49,248 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 23:25:49,249 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-23 23:25:49,322 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 23:25:49,328 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;@7414ad32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 23:25:49,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-23 23:25:49,334 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 83 states have (on average 1.7349397590361446) internal successors, (144), 84 states have internal predecessors, (144), 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) [2024-10-23 23:25:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-23 23:25:49,344 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 23:25:49,345 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 23:25:49,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 23:25:49,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 23:25:49,352 INFO L85 PathProgramCache]: Analyzing trace with hash -402254753, now seen corresponding path program 1 times [2024-10-23 23:25:49,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 23:25:49,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581882279] [2024-10-23 23:25:49,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 23:25:49,373 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 [2024-10-23 23:25:49,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 23:25:49,377 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) [2024-10-23 23:25:49,379 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 [2024-10-23 23:25:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 23:25:50,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-23 23:25:50,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 23:25:50,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 23:25:50,117 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 23:25:50,118 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 23:25:50,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581882279] [2024-10-23 23:25:50,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1581882279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 23:25:50,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 23:25:50,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 23:25:50,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288497390] [2024-10-23 23:25:50,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 23:25:50,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-23 23:25:50,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 23:25:50,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-23 23:25:50,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 23:25:50,149 INFO L87 Difference]: Start difference. First operand has 97 states, 83 states have (on average 1.7349397590361446) internal successors, (144), 84 states have internal predecessors, (144), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-10-23 23:25:54,211 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 [] [2024-10-23 23:25:57,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-23 23:25:57,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 23:25:57,448 INFO L93 Difference]: Finished difference Result 191 states and 317 transitions. [2024-10-23 23:25:57,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-23 23:25:57,454 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 15 [2024-10-23 23:25:57,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 23:25:57,463 INFO L225 Difference]: With dead ends: 191 [2024-10-23 23:25:57,464 INFO L226 Difference]: Without dead ends: 95 [2024-10-23 23:25:57,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 23:25:57,473 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2024-10-23 23:25:57,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2024-10-23 23:25:57,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-10-23 23:25:57,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-10-23 23:25:57,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 82 states have internal predecessors, (120), 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) [2024-10-23 23:25:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 134 transitions. [2024-10-23 23:25:57,517 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 134 transitions. Word has length 15 [2024-10-23 23:25:57,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 23:25:57,518 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 134 transitions. [2024-10-23 23:25:57,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2024-10-23 23:25:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2024-10-23 23:25:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-23 23:25:57,519 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 23:25:57,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 23:25:57,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-23 23:25:57,719 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 [2024-10-23 23:25:57,720 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 23:25:57,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 23:25:57,721 INFO L85 PathProgramCache]: Analyzing trace with hash -800299556, now seen corresponding path program 1 times [2024-10-23 23:25:57,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 23:25:57,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30746878] [2024-10-23 23:25:57,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 23:25:57,722 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 [2024-10-23 23:25:57,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 23:25:57,725 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) [2024-10-23 23:25:57,727 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 [2024-10-23 23:25:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 23:25:58,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-23 23:25:58,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 23:25:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 23:25:59,723 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 23:25:59,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 23:25:59,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30746878] [2024-10-23 23:25:59,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30746878] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 23:25:59,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 23:25:59,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-23 23:25:59,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396129993] [2024-10-23 23:25:59,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 23:25:59,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-23 23:25:59,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 23:25:59,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-23 23:25:59,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-23 23:25:59,727 INFO L87 Difference]: Start difference. First operand 95 states and 134 transitions. Second operand has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-10-23 23:26:03,752 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 [] [2024-10-23 23:26:07,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-23 23:26:11,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-23 23:26:15,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-23 23:26:19,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-23 23:26:24,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-10-23 23:26:25,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 23:26:25,759 INFO L93 Difference]: Finished difference Result 117 states and 163 transitions. [2024-10-23 23:26:25,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-23 23:26:25,762 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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 15 [2024-10-23 23:26:25,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 23:26:25,766 INFO L225 Difference]: With dead ends: 117 [2024-10-23 23:26:25,766 INFO L226 Difference]: Without dead ends: 107 [2024-10-23 23:26:25,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-23 23:26:25,767 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 152 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 5 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2024-10-23 23:26:25,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 452 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 231 Invalid, 5 Unknown, 0 Unchecked, 26.0s Time] [2024-10-23 23:26:25,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-23 23:26:25,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 96. [2024-10-23 23:26:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 83 states have internal predecessors, (121), 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) [2024-10-23 23:26:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 135 transitions. [2024-10-23 23:26:25,797 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 135 transitions. Word has length 15 [2024-10-23 23:26:25,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 23:26:25,797 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 135 transitions. [2024-10-23 23:26:25,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 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) [2024-10-23 23:26:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 135 transitions. [2024-10-23 23:26:25,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-23 23:26:25,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 23:26:25,799 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 23:26:25,827 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 (3)] Forceful destruction successful, exit code 0 [2024-10-23 23:26:26,002 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 [2024-10-23 23:26:26,003 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 23:26:26,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 23:26:26,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1181331945, now seen corresponding path program 1 times [2024-10-23 23:26:26,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 23:26:26,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1652760494] [2024-10-23 23:26:26,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 23:26:26,005 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 [2024-10-23 23:26:26,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 23:26:26,008 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) [2024-10-23 23:26:26,008 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 [2024-10-23 23:26:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 23:26:26,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-23 23:26:26,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 23:26:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 23:26:26,907 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 23:26:26,907 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 23:26:26,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1652760494] [2024-10-23 23:26:26,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1652760494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 23:26:26,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 23:26:26,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-23 23:26:26,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651551790] [2024-10-23 23:26:26,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 23:26:26,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-23 23:26:26,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 23:26:26,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-23 23:26:26,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-23 23:26:26,910 INFO L87 Difference]: Start difference. First operand 96 states and 135 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-10-23 23:26:30,930 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 [] [2024-10-23 23:26:34,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-23 23:26:38,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-23 23:26:42,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-23 23:26:45,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-23 23:26:47,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-23 23:26:47,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 23:26:47,840 INFO L93 Difference]: Finished difference Result 105 states and 145 transitions. [2024-10-23 23:26:47,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-23 23:26:47,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 15 [2024-10-23 23:26:47,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 23:26:47,842 INFO L225 Difference]: With dead ends: 105 [2024-10-23 23:26:47,842 INFO L226 Difference]: Without dead ends: 88 [2024-10-23 23:26:47,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-23 23:26:47,843 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 12 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2024-10-23 23:26:47,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 395 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 4 Unknown, 0 Unchecked, 20.9s Time] [2024-10-23 23:26:47,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-23 23:26:47,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-10-23 23:26:47,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 76 states have (on average 1.4473684210526316) internal successors, (110), 76 states have internal predecessors, (110), 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) [2024-10-23 23:26:47,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 122 transitions. [2024-10-23 23:26:47,864 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 122 transitions. Word has length 15 [2024-10-23 23:26:47,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 23:26:47,864 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 122 transitions. [2024-10-23 23:26:47,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-10-23 23:26:47,867 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 122 transitions. [2024-10-23 23:26:47,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-23 23:26:47,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 23:26:47,869 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-23 23:26:47,891 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 (4)] Ended with exit code 0 [2024-10-23 23:26:48,069 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 [2024-10-23 23:26:48,070 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 23:26:48,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 23:26:48,071 INFO L85 PathProgramCache]: Analyzing trace with hash 90581312, now seen corresponding path program 1 times [2024-10-23 23:26:48,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 23:26:48,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730373406] [2024-10-23 23:26:48,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 23:26:48,072 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 [2024-10-23 23:26:48,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 23:26:48,074 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) [2024-10-23 23:26:48,075 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 [2024-10-23 23:26:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 23:26:49,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-23 23:26:49,138 INFO L278 TraceCheckSpWp]: Computing forward predicates...