./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_2_unsafe.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_2_unsafe.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 e7d5d7d14ea0b755bf367d5fbc0c8ef200d280493bf9a2554dc05b2aedf67adb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 23:23:35,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 23:23:35,855 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-23 23:23:35,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 23:23:35,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 23:23:35,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 23:23:35,885 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 23:23:35,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 23:23:35,886 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 23:23:35,887 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 23:23:35,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 23:23:35,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 23:23:35,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 23:23:35,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 23:23:35,889 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 23:23:35,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 23:23:35,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 23:23:35,890 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 23:23:35,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-23 23:23:35,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 23:23:35,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 23:23:35,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 23:23:35,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 23:23:35,894 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 23:23:35,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 23:23:35,894 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 23:23:35,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 23:23:35,894 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 23:23:35,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 23:23:35,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 23:23:35,895 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 23:23:35,895 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 23:23:35,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 23:23:35,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 23:23:35,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 23:23:35,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 23:23:35,898 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-23 23:23:35,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-23 23:23:35,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 23:23:35,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 23:23:35,899 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 23:23:35,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 23:23:35,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7d5d7d14ea0b755bf367d5fbc0c8ef200d280493bf9a2554dc05b2aedf67adb [2024-10-23 23:23:36,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 23:23:36,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 23:23:36,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 23:23:36,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 23:23:36,129 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 23:23:36,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_2_unsafe.c-amalgamation.i [2024-10-23 23:23:37,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 23:23:37,637 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 23:23:37,638 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_2_unsafe.c-amalgamation.i [2024-10-23 23:23:37,655 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b47ddd9/ee6bf5b35e734642b85d01df55a8139d/FLAGeeb991142 [2024-10-23 23:23:37,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6b47ddd9/ee6bf5b35e734642b85d01df55a8139d [2024-10-23 23:23:37,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 23:23:37,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 23:23:37,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 23:23:37,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 23:23:38,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 23:23:38,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:23:37" (1/1) ... [2024-10-23 23:23:38,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402d8937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:38, skipping insertion in model container [2024-10-23 23:23:38,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:23:37" (1/1) ... [2024-10-23 23:23:38,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 23:23:38,512 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:789) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:569) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2146) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:197) 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 23:23:38,519 INFO L158 Benchmark]: Toolchain (without parser) took 521.50ms. Allocated memory is still 188.7MB. Free memory was 126.6MB in the beginning and 156.6MB in the end (delta: -30.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-23 23:23:38,519 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 96.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-23 23:23:38,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.98ms. Allocated memory is still 188.7MB. Free memory was 126.6MB in the beginning and 156.6MB in the end (delta: -30.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-23 23:23:38,521 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 96.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.98ms. Allocated memory is still 188.7MB. Free memory was 126.6MB in the beginning and 156.6MB in the end (delta: -30.0MB). Peak memory consumption was 14.7MB. 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_2_unsafe.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 e7d5d7d14ea0b755bf367d5fbc0c8ef200d280493bf9a2554dc05b2aedf67adb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 23:23:40,411 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 23:23:40,503 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-23 23:23:40,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 23:23:40,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 23:23:40,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 23:23:40,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 23:23:40,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 23:23:40,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 23:23:40,560 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 23:23:40,560 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 23:23:40,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 23:23:40,561 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 23:23:40,561 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 23:23:40,562 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 23:23:40,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 23:23:40,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 23:23:40,562 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 23:23:40,563 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 23:23:40,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 23:23:40,571 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 23:23:40,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 23:23:40,572 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 23:23:40,572 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-23 23:23:40,572 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-23 23:23:40,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 23:23:40,572 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-23 23:23:40,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 23:23:40,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 23:23:40,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 23:23:40,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 23:23:40,573 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 23:23:40,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 23:23:40,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 23:23:40,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 23:23:40,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 23:23:40,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 23:23:40,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 23:23:40,574 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-23 23:23:40,580 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-23 23:23:40,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 23:23:40,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 23:23:40,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 23:23:40,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 23:23:40,581 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-23 23:23:40,582 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7d5d7d14ea0b755bf367d5fbc0c8ef200d280493bf9a2554dc05b2aedf67adb [2024-10-23 23:23:40,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 23:23:40,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 23:23:40,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 23:23:40,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 23:23:40,993 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 23:23:40,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_2_unsafe.c-amalgamation.i [2024-10-23 23:23:42,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 23:23:42,661 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 23:23:42,662 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_2_unsafe.c-amalgamation.i [2024-10-23 23:23:42,679 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001f18a41/dbe6f7d94ceb4b06a467a4c5c86484ef/FLAG8ae639f60 [2024-10-23 23:23:42,694 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001f18a41/dbe6f7d94ceb4b06a467a4c5c86484ef [2024-10-23 23:23:42,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 23:23:42,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 23:23:42,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 23:23:42,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 23:23:42,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 23:23:42,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:23:42" (1/1) ... [2024-10-23 23:23:42,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230d187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:42, skipping insertion in model container [2024-10-23 23:23:42,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:23:42" (1/1) ... [2024-10-23 23:23:42,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 23:23:43,212 WARN L1660 CHandler]: Possible shadowing of function y1 [2024-10-23 23:23:43,216 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_2_unsafe.c-amalgamation.i[63141,63154] [2024-10-23 23:23:43,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 23:23:43,234 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 23:23:43,294 WARN L1660 CHandler]: Possible shadowing of function y1 [2024-10-23 23:23:43,294 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_2_unsafe.c-amalgamation.i[63141,63154] [2024-10-23 23:23:43,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 23:23:43,397 INFO L204 MainTranslator]: Completed translation [2024-10-23 23:23:43,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43 WrapperNode [2024-10-23 23:23:43,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 23:23:43,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 23:23:43,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 23:23:43,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 23:23:43,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,421 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,435 INFO L138 Inliner]: procedures = 559, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-10-23 23:23:43,435 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 23:23:43,436 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 23:23:43,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 23:23:43,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 23:23:43,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,445 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,452 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-10-23 23:23:43,453 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,453 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 23:23:43,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 23:23:43,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 23:23:43,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 23:23:43,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (1/1) ... [2024-10-23 23:23:43,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 23:23:43,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 23:23:43,520 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 23:23:43,528 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 23:23:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-23 23:23:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-23 23:23:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 23:23:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 23:23:43,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 23:23:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure softsign [2024-10-23 23:23:43,581 INFO L138 BoogieDeclarations]: Found implementation of procedure softsign [2024-10-23 23:23:43,662 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 23:23:43,664 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 23:23:44,023 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-10-23 23:23:44,024 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 23:23:44,044 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 23:23:44,044 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-23 23:23:44,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:23:44 BoogieIcfgContainer [2024-10-23 23:23:44,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 23:23:44,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 23:23:44,046 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 23:23:44,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 23:23:44,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:23:42" (1/3) ... [2024-10-23 23:23:44,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7beaf16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:23:44, skipping insertion in model container [2024-10-23 23:23:44,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:23:43" (2/3) ... [2024-10-23 23:23:44,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7beaf16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:23:44, skipping insertion in model container [2024-10-23 23:23:44,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:23:44" (3/3) ... [2024-10-23 23:23:44,050 INFO L112 eAbstractionObserver]: Analyzing ICFG softsign_2_unsafe.c-amalgamation.i [2024-10-23 23:23:44,063 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 23:23:44,063 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-23 23:23:44,115 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 23:23:44,120 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;@4728b6f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 23:23:44,120 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-23 23:23:44,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-23 23:23:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-23 23:23:44,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 23:23:44,128 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 23:23:44,129 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 23:23:44,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 23:23:44,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1179918097, now seen corresponding path program 1 times [2024-10-23 23:23:44,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 23:23:44,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197179242] [2024-10-23 23:23:44,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 23:23:44,153 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 23:23:44,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 23:23:44,158 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 23:23:44,159 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 23:23:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 23:23:44,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-23 23:23:44,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-23 23:23:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-23 23:23:44,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-23 23:23:44,518 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-23 23:23:44,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197179242] [2024-10-23 23:23:44,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197179242] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 23:23:44,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 23:23:44,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 23:23:44,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384145866] [2024-10-23 23:23:44,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 23:23:44,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-23 23:23:44,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-23 23:23:44,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-23 23:23:44,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 23:23:44,546 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-23 23:23:45,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 23:23:45,118 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-10-23 23:23:45,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-23 23:23:45,122 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 12 [2024-10-23 23:23:45,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 23:23:45,129 INFO L225 Difference]: With dead ends: 24 [2024-10-23 23:23:45,130 INFO L226 Difference]: Without dead ends: 11 [2024-10-23 23:23:45,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 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 23:23:45,135 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-23 23:23:45,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-23 23:23:45,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2024-10-23 23:23:45,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2024-10-23 23:23:45,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-23 23:23:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-10-23 23:23:45,179 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 12 [2024-10-23 23:23:45,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 23:23:45,179 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-10-23 23:23:45,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-23 23:23:45,182 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-10-23 23:23:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-23 23:23:45,183 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 23:23:45,183 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 23:23:45,193 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 [2024-10-23 23:23:45,384 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 23:23:45,385 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 23:23:45,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 23:23:45,386 INFO L85 PathProgramCache]: Analyzing trace with hash -478853519, now seen corresponding path program 1 times [2024-10-23 23:23:45,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-23 23:23:45,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939093035] [2024-10-23 23:23:45,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 23:23:45,388 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 23:23:45,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-23 23:23:45,392 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 23:23:45,395 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