./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/neural-networks/softmax_13_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 67cd74f80ef958ed58b04e5875a521b0e309b7eaef4d612bbf7e11c2fdaa22b2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 06:13:30,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 06:13:30,536 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 06:13:30,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 06:13:30,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 06:13:30,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 06:13:30,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 06:13:30,573 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 06:13:30,573 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 06:13:30,574 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 06:13:30,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 06:13:30,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 06:13:30,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 06:13:30,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 06:13:30,578 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 06:13:30,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 06:13:30,579 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 06:13:30,579 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 06:13:30,580 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 06:13:30,580 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 06:13:30,580 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 06:13:30,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 06:13:30,582 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 06:13:30,582 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 06:13:30,582 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 06:13:30,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 06:13:30,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 06:13:30,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 06:13:30,584 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 06:13:30,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 06:13:30,584 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 06:13:30,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 06:13:30,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 06:13:30,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 06:13:30,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 06:13:30,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 06:13:30,586 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 06:13:30,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 06:13:30,587 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 06:13:30,587 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 06:13:30,588 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 06:13:30,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 06:13:30,588 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67cd74f80ef958ed58b04e5875a521b0e309b7eaef4d612bbf7e11c2fdaa22b2 [2024-11-16 06:13:30,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 06:13:30,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 06:13:30,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 06:13:30,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 06:13:30,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 06:13:30,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i [2024-11-16 06:13:32,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 06:13:32,606 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 06:13:32,606 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i [2024-11-16 06:13:32,625 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f002095/07ee9e3f3727480aa4578f5147e4a2db/FLAG9b0229777 [2024-11-16 06:13:32,876 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f002095/07ee9e3f3727480aa4578f5147e4a2db [2024-11-16 06:13:32,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 06:13:32,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 06:13:32,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 06:13:32,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 06:13:32,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 06:13:32,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:13:32" (1/1) ... [2024-11-16 06:13:32,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c20b120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:32, skipping insertion in model container [2024-11-16 06:13:32,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:13:32" (1/1) ... [2024-11-16 06:13:32,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 06:13:33,398 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: isnan at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$150(StandardFunctionHandler.java:621) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1611) 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:2564) 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:791) 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:2564) 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:2564) 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:1761) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) 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:3519) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-16 06:13:33,404 INFO L158 Benchmark]: Toolchain (without parser) took 522.71ms. Allocated memory is still 167.8MB. Free memory was 94.2MB in the beginning and 76.7MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 06:13:33,404 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 06:13:33,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.85ms. Allocated memory is still 167.8MB. Free memory was 93.9MB in the beginning and 76.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-16 06:13:33,406 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.85ms. Allocated memory is still 167.8MB. Free memory was 93.9MB in the beginning and 76.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isnan: 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/neural-networks/softmax_13_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 67cd74f80ef958ed58b04e5875a521b0e309b7eaef4d612bbf7e11c2fdaa22b2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 06:13:35,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 06:13:35,551 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 06:13:35,556 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 06:13:35,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 06:13:35,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 06:13:35,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 06:13:35,590 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 06:13:35,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 06:13:35,592 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 06:13:35,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 06:13:35,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 06:13:35,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 06:13:35,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 06:13:35,597 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 06:13:35,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 06:13:35,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 06:13:35,598 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 06:13:35,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 06:13:35,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 06:13:35,598 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 06:13:35,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 06:13:35,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 06:13:35,600 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 06:13:35,600 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 06:13:35,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 06:13:35,600 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 06:13:35,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 06:13:35,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 06:13:35,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 06:13:35,601 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 06:13:35,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 06:13:35,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 06:13:35,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 06:13:35,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 06:13:35,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 06:13:35,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 06:13:35,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 06:13:35,605 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 06:13:35,605 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 06:13:35,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 06:13:35,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 06:13:35,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 06:13:35,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 06:13:35,606 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67cd74f80ef958ed58b04e5875a521b0e309b7eaef4d612bbf7e11c2fdaa22b2 [2024-11-16 06:13:35,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 06:13:35,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 06:13:35,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 06:13:35,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 06:13:35,977 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 06:13:35,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i [2024-11-16 06:13:37,596 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 06:13:37,912 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 06:13:37,914 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i [2024-11-16 06:13:37,938 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/546543fcc/bff87aaa5766406796f9c8c318d5d994/FLAG90123dace [2024-11-16 06:13:37,954 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/546543fcc/bff87aaa5766406796f9c8c318d5d994 [2024-11-16 06:13:37,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 06:13:37,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 06:13:37,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 06:13:37,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 06:13:37,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 06:13:37,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:13:37" (1/1) ... [2024-11-16 06:13:37,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f7266c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:37, skipping insertion in model container [2024-11-16 06:13:37,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:13:37" (1/1) ... [2024-11-16 06:13:38,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 06:13:38,595 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i[63385,63398] [2024-11-16 06:13:38,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 06:13:38,611 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 06:13:38,673 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softmax_13_unsafe.c-amalgamation.i[63385,63398] [2024-11-16 06:13:38,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 06:13:38,839 INFO L204 MainTranslator]: Completed translation [2024-11-16 06:13:38,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38 WrapperNode [2024-11-16 06:13:38,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 06:13:38,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 06:13:38,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 06:13:38,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 06:13:38,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:38,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:38,907 INFO L138 Inliner]: procedures = 562, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 96 [2024-11-16 06:13:38,907 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 06:13:38,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 06:13:38,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 06:13:38,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 06:13:38,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:38,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:38,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:38,953 INFO L175 MemorySlicer]: Split 24 memory accesses to 4 slices as follows [2, 7, 5, 10]. 42 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0]. The 6 writes are split as follows [0, 0, 2, 4]. [2024-11-16 06:13:38,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:38,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:38,971 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:38,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:38,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:38,982 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:38,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 06:13:38,994 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 06:13:38,994 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 06:13:38,994 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 06:13:38,995 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (1/1) ... [2024-11-16 06:13:39,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 06:13:39,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 06:13:39,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 06:13:39,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 06:13:39,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-16 06:13:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-16 06:13:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-16 06:13:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-16 06:13:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 06:13:39,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 06:13:39,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-16 06:13:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-16 06:13:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-16 06:13:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 06:13:39,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 06:13:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 06:13:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-16 06:13:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-16 06:13:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-16 06:13:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-16 06:13:39,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 06:13:39,213 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 06:13:39,216 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 06:13:40,137 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L863: call ULTIMATE.dealloc(main_~#x~0#1.base, main_~#x~0#1.offset);havoc main_~#x~0#1.base, main_~#x~0#1.offset;call ULTIMATE.dealloc(main_~#y~0#1.base, main_~#y~0#1.offset);havoc main_~#y~0#1.base, main_~#y~0#1.offset; [2024-11-16 06:13:40,150 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-16 06:13:40,154 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 06:13:40,167 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 06:13:40,168 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 06:13:40,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:13:40 BoogieIcfgContainer [2024-11-16 06:13:40,168 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 06:13:40,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 06:13:40,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 06:13:40,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 06:13:40,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:13:37" (1/3) ... [2024-11-16 06:13:40,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e765e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:13:40, skipping insertion in model container [2024-11-16 06:13:40,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:13:38" (2/3) ... [2024-11-16 06:13:40,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e765e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:13:40, skipping insertion in model container [2024-11-16 06:13:40,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:13:40" (3/3) ... [2024-11-16 06:13:40,178 INFO L112 eAbstractionObserver]: Analyzing ICFG softmax_13_unsafe.c-amalgamation.i [2024-11-16 06:13:40,194 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 06:13:40,195 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 06:13:40,251 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 06:13:40,259 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;@26d622d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 06:13:40,260 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 06:13:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:40,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-16 06:13:40,270 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:13:40,270 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:13:40,271 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:13:40,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:13:40,277 INFO L85 PathProgramCache]: Analyzing trace with hash -437986166, now seen corresponding path program 1 times [2024-11-16 06:13:40,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 06:13:40,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340605179] [2024-11-16 06:13:40,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 06:13:40,290 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:40,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 06:13:40,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 06:13:40,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 06:13:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 06:13:40,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 06:13:40,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 06:13:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 06:13:40,482 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 06:13:40,482 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 06:13:40,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340605179] [2024-11-16 06:13:40,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340605179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 06:13:40,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 06:13:40,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 06:13:40,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852903763] [2024-11-16 06:13:40,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 06:13:40,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 06:13:40,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 06:13:40,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 06:13:40,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 06:13:40,516 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.4761904761904763) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:40,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 06:13:40,529 INFO L93 Difference]: Finished difference Result 43 states and 58 transitions. [2024-11-16 06:13:40,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 06:13:40,532 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-16 06:13:40,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 06:13:40,539 INFO L225 Difference]: With dead ends: 43 [2024-11-16 06:13:40,540 INFO L226 Difference]: Without dead ends: 19 [2024-11-16 06:13:40,543 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 [2024-11-16 06:13:40,551 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 06:13:40,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 06:13:40,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-16 06:13:40,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-16 06:13:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-11-16 06:13:40,580 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 12 [2024-11-16 06:13:40,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 06:13:40,581 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-11-16 06:13:40,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:40,581 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-16 06:13:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-16 06:13:40,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:13:40,582 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:13:40,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-16 06:13:40,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:40,784 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:13:40,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:13:40,784 INFO L85 PathProgramCache]: Analyzing trace with hash 29143635, now seen corresponding path program 1 times [2024-11-16 06:13:40,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 06:13:40,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814442520] [2024-11-16 06:13:40,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 06:13:40,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:40,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 06:13:40,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 06:13:40,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 06:13:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 06:13:40,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 06:13:40,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 06:13:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 06:13:41,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 06:13:41,072 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 06:13:41,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [814442520] [2024-11-16 06:13:41,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [814442520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 06:13:41,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 06:13:41,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 06:13:41,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351283971] [2024-11-16 06:13:41,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 06:13:41,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 06:13:41,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 06:13:41,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 06:13:41,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 06:13:41,077 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:41,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 06:13:41,651 INFO L93 Difference]: Finished difference Result 34 states and 40 transitions. [2024-11-16 06:13:41,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 06:13:41,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-16 06:13:41,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 06:13:41,653 INFO L225 Difference]: With dead ends: 34 [2024-11-16 06:13:41,653 INFO L226 Difference]: Without dead ends: 23 [2024-11-16 06:13:41,653 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 06:13:41,654 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 06:13:41,655 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 28 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 06:13:41,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-16 06:13:41,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-11-16 06:13:41,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:41,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-11-16 06:13:41,659 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 15 [2024-11-16 06:13:41,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 06:13:41,660 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-16 06:13:41,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-16 06:13:41,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-16 06:13:41,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:13:41,661 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:13:41,667 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 [2024-11-16 06:13:41,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:41,862 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:13:41,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:13:41,862 INFO L85 PathProgramCache]: Analyzing trace with hash -78429227, now seen corresponding path program 1 times [2024-11-16 06:13:41,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 06:13:41,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121193125] [2024-11-16 06:13:41,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 06:13:41,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:41,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 06:13:41,867 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 06:13:41,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-16 06:13:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 06:13:42,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 06:13:42,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 06:13:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 06:13:42,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 06:13:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 06:13:42,267 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 06:13:42,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121193125] [2024-11-16 06:13:42,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1121193125] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 06:13:42,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-16 06:13:42,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-11-16 06:13:42,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432232292] [2024-11-16 06:13:42,269 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-16 06:13:42,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 06:13:42,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 06:13:42,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 06:13:42,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 06:13:42,271 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:43,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 06:13:43,374 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2024-11-16 06:13:43,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 06:13:43,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-16 06:13:43,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 06:13:43,375 INFO L225 Difference]: With dead ends: 40 [2024-11-16 06:13:43,375 INFO L226 Difference]: Without dead ends: 29 [2024-11-16 06:13:43,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 06:13:43,377 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 9 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 06:13:43,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 48 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 06:13:43,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-16 06:13:43,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-16 06:13:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 28 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2024-11-16 06:13:43,385 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 19 [2024-11-16 06:13:43,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 06:13:43,385 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2024-11-16 06:13:43,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2024-11-16 06:13:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-16 06:13:43,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:13:43,387 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:13:43,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-16 06:13:43,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:43,588 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:13:43,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:13:43,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1301754841, now seen corresponding path program 2 times [2024-11-16 06:13:43,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 06:13:43,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146217730] [2024-11-16 06:13:43,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 06:13:43,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:43,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 06:13:43,592 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 06:13:43,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-16 06:13:43,720 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-16 06:13:43,720 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 06:13:43,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 06:13:43,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 06:13:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-16 06:13:43,852 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 06:13:43,852 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 06:13:43,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146217730] [2024-11-16 06:13:43,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146217730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 06:13:43,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 06:13:43,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 06:13:43,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132769161] [2024-11-16 06:13:43,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 06:13:43,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 06:13:43,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 06:13:43,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 06:13:43,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 06:13:43,855 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:45,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 06:13:45,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 06:13:45,080 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2024-11-16 06:13:45,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 06:13:45,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-16 06:13:45,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 06:13:45,082 INFO L225 Difference]: With dead ends: 41 [2024-11-16 06:13:45,082 INFO L226 Difference]: Without dead ends: 34 [2024-11-16 06:13:45,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 06:13:45,083 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 06:13:45,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 24 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 06:13:45,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-16 06:13:45,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2024-11-16 06:13:45,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:45,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2024-11-16 06:13:45,090 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 27 [2024-11-16 06:13:45,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 06:13:45,090 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2024-11-16 06:13:45,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:45,091 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-11-16 06:13:45,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-16 06:13:45,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:13:45,092 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:13:45,099 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-16 06:13:45,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:45,292 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:13:45,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:13:45,293 INFO L85 PathProgramCache]: Analyzing trace with hash -863243029, now seen corresponding path program 1 times [2024-11-16 06:13:45,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 06:13:45,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124671309] [2024-11-16 06:13:45,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 06:13:45,294 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:45,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 06:13:45,297 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 06:13:45,298 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 (6)] Waiting until timeout for monitored process [2024-11-16 06:13:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 06:13:45,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-16 06:13:45,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 06:13:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-16 06:13:45,753 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 06:13:45,898 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-16 06:13:45,899 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 06:13:45,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1124671309] [2024-11-16 06:13:45,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1124671309] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 06:13:45,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-16 06:13:45,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-16 06:13:45,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200929171] [2024-11-16 06:13:45,900 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-16 06:13:45,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 06:13:45,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 06:13:45,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 06:13:45,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-16 06:13:45,902 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:47,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 06:13:47,847 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2024-11-16 06:13:47,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 06:13:47,849 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2024-11-16 06:13:47,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 06:13:47,850 INFO L225 Difference]: With dead ends: 57 [2024-11-16 06:13:47,850 INFO L226 Difference]: Without dead ends: 48 [2024-11-16 06:13:47,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-16 06:13:47,851 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 73 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-16 06:13:47,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 45 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-16 06:13:47,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-16 06:13:47,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-16 06:13:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2024-11-16 06:13:47,863 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 32 [2024-11-16 06:13:47,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 06:13:47,863 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-11-16 06:13:47,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.25) internal successors, (34), 8 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 06:13:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2024-11-16 06:13:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-16 06:13:47,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:13:47,865 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:13:47,875 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 (6)] Ended with exit code 0 [2024-11-16 06:13:48,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:48,066 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:13:48,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:13:48,066 INFO L85 PathProgramCache]: Analyzing trace with hash -199545059, now seen corresponding path program 2 times [2024-11-16 06:13:48,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 06:13:48,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83341122] [2024-11-16 06:13:48,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 06:13:48,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:48,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 06:13:48,068 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 06:13:48,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-16 06:13:49,736 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-16 06:13:49,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-16 06:13:49,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 06:13:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 06:13:51,570 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-16 06:13:51,571 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 06:13:51,571 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 06:13:51,609 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 (7)] Forceful destruction successful, exit code 0 [2024-11-16 06:13:51,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 06:13:51,780 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2024-11-16 06:13:51,836 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 06:13:51,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 06:13:51 BoogieIcfgContainer [2024-11-16 06:13:51,840 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 06:13:51,841 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 06:13:51,841 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 06:13:51,841 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 06:13:51,842 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:13:40" (3/4) ... [2024-11-16 06:13:51,843 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 06:13:51,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 06:13:51,845 INFO L158 Benchmark]: Toolchain (without parser) took 13886.80ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 41.6MB in the beginning and 82.2MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 06:13:51,845 INFO L158 Benchmark]: CDTParser took 1.07ms. Allocated memory is still 54.5MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 06:13:51,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 879.60ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 38.4MB in the end (delta: 3.0MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-11-16 06:13:51,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.60ms. Allocated memory is still 77.6MB. Free memory was 38.4MB in the beginning and 35.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-16 06:13:51,846 INFO L158 Benchmark]: Boogie Preprocessor took 84.20ms. Allocated memory is still 77.6MB. Free memory was 35.1MB in the beginning and 32.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-16 06:13:51,846 INFO L158 Benchmark]: IcfgBuilder took 1174.84ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 32.6MB in the beginning and 56.8MB in the end (delta: -24.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-16 06:13:51,846 INFO L158 Benchmark]: TraceAbstraction took 11669.78ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 56.4MB in the beginning and 82.6MB in the end (delta: -26.2MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-16 06:13:51,846 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 113.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 06:13:51,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.07ms. Allocated memory is still 54.5MB. Free memory was 33.1MB in the beginning and 33.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 879.60ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 38.4MB in the end (delta: 3.0MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.60ms. Allocated memory is still 77.6MB. Free memory was 38.4MB in the beginning and 35.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.20ms. Allocated memory is still 77.6MB. Free memory was 35.1MB in the beginning and 32.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 1174.84ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 32.6MB in the beginning and 56.8MB in the end (delta: -24.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11669.78ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 56.4MB in the beginning and 82.6MB in the end (delta: -26.2MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 113.2MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 870]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of expf at line 854, overapproximation of __builtin_isinf_sign at line 868. Possible FailurePath: [L863] float x[4], y[4]; [L864] x[0] = __VERIFIER_nondet_float() [L865] EXPR x[0] [L865] x[1] = x[0] + 1e-5f [L866] x[2] = 0.123456f [L867] x[3] = 0.654321f [L868] EXPR x[0] [L868] COND FALSE !(!(!__builtin_isnan (x[0]) && !__builtin_isinf_sign (x[0]))) [L869] CALL softmax(x, y, 4) [L847] int i; [L848] EXPR x[0] [L848] float max = x[0]; [L849] i = 1 VAL [i=1, max=0.00023112499911803752, n=4, x={7:0}, y={3:0}] [L849] COND TRUE i < n [L850] EXPR x[i] [L850] COND TRUE x[i] > max [L851] EXPR x[i] [L851] max = x[i] VAL [i=1, max=0.00024112500250339508, n=4, x={7:0}, y={3:0}] [L849] ++i VAL [i=2, max=0.00024112500250339508, n=4, x={7:0}, y={3:0}] [L849] COND TRUE i < n [L850] EXPR x[i] [L850] COND TRUE x[i] > max [L851] EXPR x[i] [L851] max = x[i] VAL [i=2, max=0.12345600128173828, n=4, x={7:0}, y={3:0}] [L849] ++i VAL [i=3, max=0.12345600128173828, n=4, x={7:0}, y={3:0}] [L849] COND TRUE i < n [L850] EXPR x[i] [L850] COND TRUE x[i] > max [L851] EXPR x[i] [L851] max = x[i] VAL [i=3, max=0.654321014881134, n=4, x={7:0}, y={3:0}] [L849] ++i VAL [i=4, max=0.654321014881134, n=4, x={7:0}, y={3:0}] [L849] COND FALSE !(i < n) VAL [max=0.654321014881134, n=4, x={7:0}, y={3:0}] [L852] float sum = 0.0f; [L853] i = 0 VAL [i=0, max=0.654321014881134, n=4, sum=0.0, x={7:0}, y={3:0}] [L853] COND TRUE i < n VAL [i=0, max=0.654321014881134, n=4, sum=0.0, x={7:0}, y={3:0}] [L854] EXPR x[i] [L854] float z = expf(x[i] - max); [L855] sum += z [L856] y[i] = z [L853] ++i VAL [i=1, max=0.654321014881134, n=4, sum=-0.0000000000000000000000000000000007703846510533641, x={7:0}, y={3:0}] [L853] COND TRUE i < n VAL [i=1, max=0.654321014881134, n=4, sum=-0.0000000000000000000000000000000007703846510533641, x={7:0}, y={3:0}] [L854] EXPR x[i] [L854] float z = expf(x[i] - max); [L855] sum += z [L856] y[i] = z [L853] ++i VAL [i=2, max=0.654321014881134, n=4, sum=-0.000000000000000000000000000000000000012673298469802787, x={7:0}, y={3:0}] [L853] COND TRUE i < n VAL [i=2, max=0.654321014881134, n=4, sum=-0.000000000000000000000000000000000000012673298469802787, x={7:0}, y={3:0}] [L854] EXPR x[i] [L854] float z = expf(x[i] - max); [L855] sum += z [L856] y[i] = z [L853] ++i VAL [i=3, max=0.654321014881134, n=4, sum=0.000000000000000000000000000000000006747369142171735, x={7:0}, y={3:0}] [L853] COND TRUE i < n VAL [i=3, max=0.654321014881134, n=4, sum=0.000000000000000000000000000000000006747369142171735, x={7:0}, y={3:0}] [L854] EXPR x[i] [L854] float z = expf(x[i] - max); [L855] sum += z [L856] y[i] = z [L853] ++i VAL [i=4, max=0.654321014881134, n=4, sum=0.0000000000000000000000000000003944853717065763, x={7:0}, y={3:0}] [L853] COND FALSE !(i < n) VAL [max=0.654321014881134, n=4, sum=0.0000000000000000000000000000003944853717065763, x={7:0}, y={3:0}] [L858] i = 0 VAL [i=0, max=0.654321014881134, n=4, sum=0.0000000000000000000000000000003944853717065763, x={7:0}, y={3:0}] [L858] COND TRUE i < n [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=1, max=0.654321014881134, n=4, sum=0.0000000000000000000000000000003944853717065763, x={7:0}, y={3:0}] [L858] COND TRUE i < n [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=2, max=0.654321014881134, n=4, sum=0.0000000000000000000000000000003944853717065763, x={7:0}, y={3:0}] [L858] COND TRUE i < n [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=3, max=0.654321014881134, n=4, sum=0.0000000000000000000000000000003944853717065763, x={7:0}, y={3:0}] [L858] COND TRUE i < n [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=4, max=0.654321014881134, n=4, sum=0.0000000000000000000000000000003944853717065763, x={7:0}, y={3:0}] [L858] COND FALSE !(i < n) VAL [max=0.654321014881134, sum=0.0000000000000000000000000000003944853717065763, x={7:0}, y={3:0}] [L869] RET softmax(x, y, 4) [L870] EXPR y[2] [L870] EXPR y[3] [L870] COND TRUE !(__builtin_isgreaterequal(y[2], y[3])) [L870] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 6, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 99 mSDsluCounter, 171 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 95 mSDtfsCounter, 125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=5, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 152 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 420 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 58/66 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-16 06:13:51,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample