./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/neural-networks/softsign_w8_r2_case_0_safe.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/softsign_w8_r2_case_0_safe.c-amalgamation.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e0ecaf6a3eb769d913f29a7171585675d41ec43b2b919c9351a1a2d54e5cf49 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 06:18:01,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 06:18:01,429 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 06:18:01,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 06:18:01,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 06:18:01,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 06:18:01,472 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 06:18:01,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 06:18:01,473 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 06:18:01,474 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 06:18:01,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 06:18:01,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 06:18:01,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 06:18:01,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 06:18:01,477 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 06:18:01,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 06:18:01,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 06:18:01,478 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 06:18:01,478 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 06:18:01,478 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 06:18:01,479 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 06:18:01,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 06:18:01,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 06:18:01,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 06:18:01,483 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 06:18:01,483 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 06:18:01,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 06:18:01,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 06:18:01,483 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 06:18:01,483 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 06:18:01,484 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 06:18:01,484 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 06:18:01,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 06:18:01,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 06:18:01,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 06:18:01,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 06:18:01,485 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 06:18:01,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 06:18:01,485 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 06:18:01,487 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 06:18:01,487 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 06:18:01,487 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 06:18:01,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e0ecaf6a3eb769d913f29a7171585675d41ec43b2b919c9351a1a2d54e5cf49 [2024-11-16 06:18:01,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 06:18:01,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 06:18:01,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 06:18:01,716 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 06:18:01,717 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 06:18:01,718 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/softsign_w8_r2_case_0_safe.c-amalgamation.i [2024-11-16 06:18:03,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 06:18:03,286 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 06:18:03,287 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_w8_r2_case_0_safe.c-amalgamation.i [2024-11-16 06:18:03,319 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6417d7ddc/679a88eb4cff4f098f8c7ceffd8ed411/FLAGb11320bd4 [2024-11-16 06:18:03,590 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6417d7ddc/679a88eb4cff4f098f8c7ceffd8ed411 [2024-11-16 06:18:03,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 06:18:03,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 06:18:03,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 06:18:03,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 06:18:03,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 06:18:03,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:18:03" (1/1) ... [2024-11-16 06:18:03,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db90a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:03, skipping insertion in model container [2024-11-16 06:18:03,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:18:03" (1/1) ... [2024-11-16 06:18:03,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 06:18:04,339 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/softsign_w8_r2_case_0_safe.c-amalgamation.i[71687,71700] [2024-11-16 06:18:04,521 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java: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:792) 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:792) 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:792) 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:1516) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java: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.handleLoopBody(CHandler.java:3614) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1563) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java: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 06:18:04,525 INFO L158 Benchmark]: Toolchain (without parser) took 931.36ms. Allocated memory is still 180.4MB. Free memory was 116.8MB in the beginning and 81.4MB in the end (delta: 35.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-16 06:18:04,526 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 180.4MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 06:18:04,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 929.85ms. Allocated memory is still 180.4MB. Free memory was 116.5MB in the beginning and 81.4MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-16 06:18:04,527 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 180.4MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 929.85ms. Allocated memory is still 180.4MB. Free memory was 116.5MB in the beginning and 81.4MB in the end (delta: 35.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:627) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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/softsign_w8_r2_case_0_safe.c-amalgamation.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0e0ecaf6a3eb769d913f29a7171585675d41ec43b2b919c9351a1a2d54e5cf49 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 06:18:06,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 06:18:06,440 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-16 06:18:06,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 06:18:06,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 06:18:06,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 06:18:06,465 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 06:18:06,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 06:18:06,466 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 06:18:06,467 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 06:18:06,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 06:18:06,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 06:18:06,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 06:18:06,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 06:18:06,468 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 06:18:06,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 06:18:06,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 06:18:06,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 06:18:06,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 06:18:06,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 06:18:06,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 06:18:06,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 06:18:06,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 06:18:06,471 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 06:18:06,471 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 06:18:06,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 06:18:06,472 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 06:18:06,472 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 06:18:06,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 06:18:06,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 06:18:06,473 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 06:18:06,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 06:18:06,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 06:18:06,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 06:18:06,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 06:18:06,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 06:18:06,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 06:18:06,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 06:18:06,475 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 06:18:06,475 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 06:18:06,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 06:18:06,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 06:18:06,481 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 06:18:06,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 06:18:06,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e0ecaf6a3eb769d913f29a7171585675d41ec43b2b919c9351a1a2d54e5cf49 [2024-11-16 06:18:06,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 06:18:06,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 06:18:06,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 06:18:06,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 06:18:06,799 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 06:18:06,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/neural-networks/softsign_w8_r2_case_0_safe.c-amalgamation.i [2024-11-16 06:18:08,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 06:18:08,491 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 06:18:08,493 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/neural-networks/softsign_w8_r2_case_0_safe.c-amalgamation.i [2024-11-16 06:18:08,523 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/626a9e3a4/e9939851c48c4609b677df6c955440a9/FLAGdd702d296 [2024-11-16 06:18:08,537 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/626a9e3a4/e9939851c48c4609b677df6c955440a9 [2024-11-16 06:18:08,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 06:18:08,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 06:18:08,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 06:18:08,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 06:18:08,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 06:18:08,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:18:08" (1/1) ... [2024-11-16 06:18:08,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e569ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:08, skipping insertion in model container [2024-11-16 06:18:08,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:18:08" (1/1) ... [2024-11-16 06:18:08,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 06:18:09,232 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/softsign_w8_r2_case_0_safe.c-amalgamation.i[71687,71700] [2024-11-16 06:18:09,490 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-16 06:18:09,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 06:18:09,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 06:18:09,626 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/softsign_w8_r2_case_0_safe.c-amalgamation.i[71687,71700] [2024-11-16 06:18:09,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 06:18:09,928 INFO L204 MainTranslator]: Completed translation [2024-11-16 06:18:09,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09 WrapperNode [2024-11-16 06:18:09,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 06:18:09,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 06:18:09,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 06:18:09,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 06:18:09,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:09,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:10,044 INFO L138 Inliner]: procedures = 780, calls = 1185, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 564 [2024-11-16 06:18:10,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 06:18:10,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 06:18:10,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 06:18:10,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 06:18:10,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:10,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:10,066 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:10,108 INFO L175 MemorySlicer]: Split 313 memory accesses to 12 slices as follows [43, 2, 7, 2, 20, 55, 10, 11, 12, 11, 9, 131]. 42 percent of accesses are in the largest equivalence class. The 115 initializations are split as follows [24, 2, 7, 2, 16, 24, 8, 8, 8, 8, 8, 0]. The 156 writes are split as follows [9, 0, 0, 0, 3, 14, 0, 0, 0, 0, 0, 130]. [2024-11-16 06:18:10,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:10,111 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:10,159 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:10,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:10,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:10,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:10,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 06:18:10,194 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 06:18:10,195 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 06:18:10,195 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 06:18:10,196 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (1/1) ... [2024-11-16 06:18:10,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 06:18:10,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 06:18:10,224 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 06:18:10,226 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 06:18:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-16 06:18:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-16 06:18:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-16 06:18:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-16 06:18:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-16 06:18:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-16 06:18:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-16 06:18:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-16 06:18:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-16 06:18:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-16 06:18:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-16 06:18:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-16 06:18:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-11-16 06:18:10,267 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-11-16 06:18:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-16 06:18:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-16 06:18:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-16 06:18:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-16 06:18:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-16 06:18:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-16 06:18:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-16 06:18:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-16 06:18:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-16 06:18:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-16 06:18:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-16 06:18:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2024-11-16 06:18:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 06:18:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 06:18:10,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 06:18:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-16 06:18:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-16 06:18:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-16 06:18:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-16 06:18:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-16 06:18:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-16 06:18:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-16 06:18:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-16 06:18:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-16 06:18:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-16 06:18:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-16 06:18:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-16 06:18:10,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-16 06:18:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 06:18:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 06:18:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 06:18:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 06:18:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-11-16 06:18:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-16 06:18:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-16 06:18:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-16 06:18:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-16 06:18:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-16 06:18:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-16 06:18:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-16 06:18:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-16 06:18:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-16 06:18:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-16 06:18:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-16 06:18:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-16 06:18:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-16 06:18:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-16 06:18:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-11-16 06:18:10,277 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-11-16 06:18:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-16 06:18:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-16 06:18:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-16 06:18:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-16 06:18:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-16 06:18:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-16 06:18:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-16 06:18:10,547 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 06:18:10,550 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 06:18:22,963 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L974: call ULTIMATE.dealloc(main_~#input_array~0#1.base, main_~#input_array~0#1.offset);havoc main_~#input_array~0#1.base, main_~#input_array~0#1.offset;call ULTIMATE.dealloc(main_~#output_array~0#1.base, main_~#output_array~0#1.offset);havoc main_~#output_array~0#1.base, main_~#output_array~0#1.offset;call ULTIMATE.dealloc(main_~#input_tensor~0#1.base, main_~#input_tensor~0#1.offset);havoc main_~#input_tensor~0#1.base, main_~#input_tensor~0#1.offset;call ULTIMATE.dealloc(main_~#output_tensor~0#1.base, main_~#output_tensor~0#1.offset);havoc main_~#output_tensor~0#1.base, main_~#output_tensor~0#1.offset; [2024-11-16 06:18:23,052 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-16 06:18:23,052 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 06:18:23,063 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 06:18:23,063 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 06:18:23,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:18:23 BoogieIcfgContainer [2024-11-16 06:18:23,063 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 06:18:23,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 06:18:23,067 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 06:18:23,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 06:18:23,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 06:18:08" (1/3) ... [2024-11-16 06:18:23,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60eaef83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:18:23, skipping insertion in model container [2024-11-16 06:18:23,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:18:09" (2/3) ... [2024-11-16 06:18:23,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60eaef83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 06:18:23, skipping insertion in model container [2024-11-16 06:18:23,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 06:18:23" (3/3) ... [2024-11-16 06:18:23,074 INFO L112 eAbstractionObserver]: Analyzing ICFG softsign_w8_r2_case_0_safe.c-amalgamation.i [2024-11-16 06:18:23,086 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 06:18:23,087 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 06:18:23,138 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 06:18:23,143 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;@229bb54f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 06:18:23,143 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 06:18:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 130 states have (on average 1.5) internal successors, (195), 131 states have internal predecessors, (195), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 06:18:23,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-16 06:18:23,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:18:23,154 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:18:23,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:18:23,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:18:23,158 INFO L85 PathProgramCache]: Analyzing trace with hash 558969286, now seen corresponding path program 1 times [2024-11-16 06:18:23,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 06:18:23,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [403101411] [2024-11-16 06:18:23,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 06:18:23,171 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 06:18:23,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 06:18:23,175 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 06:18:23,176 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 06:18:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 06:18:26,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-16 06:18:26,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 06:18:26,075 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 06:18:26,075 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 06:18:26,076 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 06:18:26,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [403101411] [2024-11-16 06:18:26,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [403101411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 06:18:26,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 06:18:26,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 06:18:26,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531741756] [2024-11-16 06:18:26,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 06:18:26,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 06:18:26,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 06:18:26,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 06:18:26,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 06:18:26,109 INFO L87 Difference]: Start difference. First operand has 144 states, 130 states have (on average 1.5) internal successors, (195), 131 states have internal predecessors, (195), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 06:18:26,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 06:18:26,157 INFO L93 Difference]: Finished difference Result 284 states and 418 transitions. [2024-11-16 06:18:26,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 06:18:26,161 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-11-16 06:18:26,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 06:18:26,177 INFO L225 Difference]: With dead ends: 284 [2024-11-16 06:18:26,177 INFO L226 Difference]: Without dead ends: 140 [2024-11-16 06:18:26,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 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 06:18:26,212 INFO L432 NwaCegarLoop]: 185 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, 185 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 06:18:26,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 06:18:26,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-16 06:18:26,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-16 06:18:26,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 127 states have (on average 1.31496062992126) internal successors, (167), 127 states have internal predecessors, (167), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 06:18:26,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 181 transitions. [2024-11-16 06:18:26,270 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 181 transitions. Word has length 23 [2024-11-16 06:18:26,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 06:18:26,271 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 181 transitions. [2024-11-16 06:18:26,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 06:18:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 181 transitions. [2024-11-16 06:18:26,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-16 06:18:26,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:18:26,272 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:18:26,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-16 06:18:26,476 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 06:18:26,477 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:18:26,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:18:26,478 INFO L85 PathProgramCache]: Analyzing trace with hash 2097262992, now seen corresponding path program 1 times [2024-11-16 06:18:26,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 06:18:26,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542898423] [2024-11-16 06:18:26,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 06:18:26,481 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 06:18:26,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 06:18:26,486 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 06:18:26,488 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 06:18:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 06:18:29,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 1754 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-16 06:18:29,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 06:18:30,554 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 06:18:30,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 06:18:30,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 06:18:30,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542898423] [2024-11-16 06:18:30,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542898423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 06:18:30,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 06:18:30,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 06:18:30,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325005295] [2024-11-16 06:18:30,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 06:18:30,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 06:18:30,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 06:18:30,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 06:18:30,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 06:18:30,556 INFO L87 Difference]: Start difference. First operand 140 states and 181 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 06:18:30,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 06:18:30,978 INFO L93 Difference]: Finished difference Result 151 states and 193 transitions. [2024-11-16 06:18:30,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 06:18:30,982 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-16 06:18:30,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 06:18:30,983 INFO L225 Difference]: With dead ends: 151 [2024-11-16 06:18:30,983 INFO L226 Difference]: Without dead ends: 130 [2024-11-16 06:18:30,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 06:18:30,984 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 15 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 06:18:30,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 694 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 06:18:30,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-16 06:18:30,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-16 06:18:30,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 118 states have (on average 1.305084745762712) internal successors, (154), 118 states have internal predecessors, (154), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-16 06:18:30,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 166 transitions. [2024-11-16 06:18:30,996 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 166 transitions. Word has length 24 [2024-11-16 06:18:30,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 06:18:30,997 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 166 transitions. [2024-11-16 06:18:30,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 06:18:30,997 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 166 transitions. [2024-11-16 06:18:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-16 06:18:30,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:18:31,001 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:18:31,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-16 06:18:31,201 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 06:18:31,202 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:18:31,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:18:31,202 INFO L85 PathProgramCache]: Analyzing trace with hash -410211184, now seen corresponding path program 1 times [2024-11-16 06:18:31,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 06:18:31,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789883726] [2024-11-16 06:18:31,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 06:18:31,204 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 06:18:31,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 06:18:31,205 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 06:18:31,206 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 06:18:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 06:18:34,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 1754 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-16 06:18:34,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 06:18:37,645 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 06:18:37,646 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 06:18:37,646 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 06:18:37,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789883726] [2024-11-16 06:18:37,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789883726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 06:18:37,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 06:18:37,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 06:18:37,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247715305] [2024-11-16 06:18:37,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 06:18:37,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 06:18:37,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 06:18:37,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 06:18:37,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-16 06:18:37,648 INFO L87 Difference]: Start difference. First operand 130 states and 166 transitions. Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 06:18:41,664 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 06:18:45,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 06:18:49,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 06:18:53,696 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 06:18:57,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 06:19:02,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.94s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 06:19:07,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.85s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 06:19:11,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 06:19:16,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 06:19:18,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-16 06:19:29,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 06:19:29,533 INFO L93 Difference]: Finished difference Result 151 states and 192 transitions. [2024-11-16 06:19:29,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 06:19:29,536 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-16 06:19:29,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 06:19:29,537 INFO L225 Difference]: With dead ends: 151 [2024-11-16 06:19:29,537 INFO L226 Difference]: Without dead ends: 139 [2024-11-16 06:19:29,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-16 06:19:29,541 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 179 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2024-11-16 06:19:29,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 731 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 9 Unknown, 0 Unchecked, 51.8s Time] [2024-11-16 06:19:29,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-16 06:19:29,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 132. [2024-11-16 06:19:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 120 states have (on average 1.3) internal successors, (156), 120 states have internal predecessors, (156), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-16 06:19:29,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 168 transitions. [2024-11-16 06:19:29,558 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 168 transitions. Word has length 24 [2024-11-16 06:19:29,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 06:19:29,559 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 168 transitions. [2024-11-16 06:19:29,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-16 06:19:29,559 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 168 transitions. [2024-11-16 06:19:29,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-16 06:19:29,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 06:19:29,561 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 06:19:29,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-16 06:19:29,761 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 06:19:29,762 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 06:19:29,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 06:19:29,762 INFO L85 PathProgramCache]: Analyzing trace with hash 759052148, now seen corresponding path program 1 times [2024-11-16 06:19:29,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 06:19:29,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44278489] [2024-11-16 06:19:29,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 06:19:29,763 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 06:19:29,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 06:19:29,765 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 06:19:29,766 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 06:19:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 06:19:33,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 1948 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-16 06:19:33,223 INFO L278 TraceCheckSpWp]: Computing forward predicates...