./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softmax_9_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_9_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1 --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 c78b855e34bfa3f2fa8c1e78a1f6fd8a30fb8608e2781e3dddaf76f108496aea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:49:04,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:49:04,756 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:49:04,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:49:04,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:49:04,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:49:04,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:49:04,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:49:04,784 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:49:04,784 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:49:04,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:49:04,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:49:04,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:49:04,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:49:04,785 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:49:04,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:49:04,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:49:04,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:49:04,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:49:04,786 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:49:04,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:49:04,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:49:04,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:49:04,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:49:04,786 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:49:04,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:49:04,786 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:49:04,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:49:04,786 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:49:04,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:49:04,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:49:04,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:49:04,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:49:04,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:49:04,787 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:49:04,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:49:04,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:49:04,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:49:04,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:49:04,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:49:04,787 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:49:04,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:49:04,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:49:04,788 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:49:04,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:49:04,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:49:04,788 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:49:04,788 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:49:04,788 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1 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 -> c78b855e34bfa3f2fa8c1e78a1f6fd8a30fb8608e2781e3dddaf76f108496aea [2024-12-02 12:49:05,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:49:05,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:49:05,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:49:05,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:49:05,036 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:49:05,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/neural-networks/softmax_9_unsafe.c-amalgamation.i [2024-12-02 12:49:07,681 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/data/b639d9175/cf902a303ed9466d995bf7a97457852c/FLAG07c7185d1 [2024-12-02 12:49:07,954 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:49:07,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/sv-benchmarks/c/neural-networks/softmax_9_unsafe.c-amalgamation.i [2024-12-02 12:49:07,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/data/b639d9175/cf902a303ed9466d995bf7a97457852c/FLAG07c7185d1 [2024-12-02 12:49:08,260 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/data/b639d9175/cf902a303ed9466d995bf7a97457852c [2024-12-02 12:49:08,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:49:08,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:49:08,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:49:08,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:49:08,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:49:08,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:49:08" (1/1) ... [2024-12-02 12:49:08,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e53563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:08, skipping insertion in model container [2024-12-02 12:49:08,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:49:08" (1/1) ... [2024-12-02 12:49:08,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:49:08,812 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:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) 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:1602) 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:2556) 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:782) 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:2556) 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:2556) 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:1752) 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:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) 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:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) 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:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) 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) [2024-12-02 12:49:08,817 INFO L158 Benchmark]: Toolchain (without parser) took 553.35ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 100.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:49:08,817 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:49:08,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.81ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 100.3MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:49:08,819 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.81ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 100.3MB in the end (delta: 15.3MB). 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:629) 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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/softmax_9_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1 --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 c78b855e34bfa3f2fa8c1e78a1f6fd8a30fb8608e2781e3dddaf76f108496aea --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:49:10,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:49:10,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 12:49:10,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:49:10,628 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:49:10,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:49:10,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:49:10,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:49:10,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:49:10,651 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:49:10,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:49:10,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:49:10,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:49:10,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:49:10,652 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:49:10,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:49:10,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:49:10,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:49:10,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:49:10,653 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:49:10,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:49:10,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:49:10,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:49:10,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:49:10,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:49:10,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:49:10,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:49:10,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:49:10,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:49:10,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:49:10,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:49:10,654 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:49:10,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:49:10,655 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:49:10,655 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:49:10,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:49:10,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:49:10,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:49:10,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:49:10,656 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1 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 -> c78b855e34bfa3f2fa8c1e78a1f6fd8a30fb8608e2781e3dddaf76f108496aea [2024-12-02 12:49:10,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:49:10,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:49:10,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:49:10,914 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:49:10,915 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:49:10,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/neural-networks/softmax_9_unsafe.c-amalgamation.i [2024-12-02 12:49:13,627 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/data/0402ee716/607e5c763d8f42829dd7dd321b76947f/FLAGb78f321fb [2024-12-02 12:49:13,887 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:49:13,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/sv-benchmarks/c/neural-networks/softmax_9_unsafe.c-amalgamation.i [2024-12-02 12:49:13,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/data/0402ee716/607e5c763d8f42829dd7dd321b76947f/FLAGb78f321fb [2024-12-02 12:49:13,916 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/data/0402ee716/607e5c763d8f42829dd7dd321b76947f [2024-12-02 12:49:13,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:49:13,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:49:13,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:49:13,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:49:13,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:49:13,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:49:13" (1/1) ... [2024-12-02 12:49:13,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6260fed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:13, skipping insertion in model container [2024-12-02 12:49:13,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:49:13" (1/1) ... [2024-12-02 12:49:13,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:49:14,435 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/sv-benchmarks/c/neural-networks/softmax_9_unsafe.c-amalgamation.i[63690,63703] [2024-12-02 12:49:14,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:49:14,446 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:49:14,502 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/sv-benchmarks/c/neural-networks/softmax_9_unsafe.c-amalgamation.i[63690,63703] [2024-12-02 12:49:14,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:49:14,612 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:49:14,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14 WrapperNode [2024-12-02 12:49:14,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:49:14,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:49:14,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:49:14,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:49:14,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,659 INFO L138 Inliner]: procedures = 562, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 126 [2024-12-02 12:49:14,660 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:49:14,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:49:14,660 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:49:14,660 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:49:14,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,679 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,693 INFO L175 MemorySlicer]: Split 25 memory accesses to 4 slices as follows [2, 7, 12, 4]. 48 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, 4, 2]. [2024-12-02 12:49:14,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,702 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,703 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:49:14,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:49:14,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:49:14,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:49:14,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (1/1) ... [2024-12-02 12:49:14,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:49:14,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:49:14,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:49:14,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 12:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 12:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 12:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 12:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 12:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:49:14,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 12:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 12:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 12:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:49:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 12:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 12:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 12:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 12:49:14,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 12:49:14,863 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:49:14,864 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:49:15,936 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 12:49:15,936 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:49:15,942 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:49:15,942 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 12:49:15,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:49:15 BoogieIcfgContainer [2024-12-02 12:49:15,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:49:15,944 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:49:15,944 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:49:15,947 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:49:15,947 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:49:13" (1/3) ... [2024-12-02 12:49:15,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36da949c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:49:15, skipping insertion in model container [2024-12-02 12:49:15,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:14" (2/3) ... [2024-12-02 12:49:15,948 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36da949c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:49:15, skipping insertion in model container [2024-12-02 12:49:15,948 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:49:15" (3/3) ... [2024-12-02 12:49:15,949 INFO L128 eAbstractionObserver]: Analyzing ICFG softmax_9_unsafe.c-amalgamation.i [2024-12-02 12:49:15,959 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:49:15,960 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG softmax_9_unsafe.c-amalgamation.i that has 1 procedures, 30 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-02 12:49:15,997 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:49:16,007 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;@52eb342d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:49:16,007 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:49:16,010 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 29 states have internal predecessors, (43), 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) [2024-12-02 12:49:16,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 12:49:16,015 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:16,015 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:49:16,016 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:49:16,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:16,019 INFO L85 PathProgramCache]: Analyzing trace with hash 570153559, now seen corresponding path program 1 times [2024-12-02 12:49:16,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:49:16,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450842887] [2024-12-02 12:49:16,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:49:16,029 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 [2024-12-02 12:49:16,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:49:16,030 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 12:49:16,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:49:16,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:49:16,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:49:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:49:16,196 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:49:16,196 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:49:16,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450842887] [2024-12-02 12:49:16,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450842887] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:49:16,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:49:16,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:49:16,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698614084] [2024-12-02 12:49:16,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:49:16,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:49:16,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:49:16,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:49:16,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:49:16,217 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 29 states have internal predecessors, (43), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-12-02 12:49:16,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:16,227 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2024-12-02 12:49:16,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:49:16,229 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 [2024-12-02 12:49:16,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:16,234 INFO L225 Difference]: With dead ends: 57 [2024-12-02 12:49:16,235 INFO L226 Difference]: Without dead ends: 26 [2024-12-02 12:49:16,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:49:16,239 INFO L435 NwaCegarLoop]: 34 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, 34 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 [2024-12-02 12:49:16,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:49:16,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-12-02 12:49:16,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-12-02 12:49:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 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) [2024-12-02 12:49:16,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2024-12-02 12:49:16,262 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 19 [2024-12-02 12:49:16,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:49:16,262 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2024-12-02 12:49:16,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-12-02 12:49:16,262 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-12-02 12:49:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 12:49:16,263 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:16,264 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:49:16,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:16,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:16,464 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:49:16,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:16,465 INFO L85 PathProgramCache]: Analyzing trace with hash 518330452, now seen corresponding path program 1 times [2024-12-02 12:49:16,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:49:16,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543167375] [2024-12-02 12:49:16,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:49:16,466 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 [2024-12-02 12:49:16,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:49:16,468 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 12:49:16,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:49:16,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:49:16,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:49:16,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:49:16,641 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:49:16,641 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:49:16,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543167375] [2024-12-02 12:49:16,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543167375] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:49:16,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:49:16,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:49:16,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36792092] [2024-12-02 12:49:16,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:49:16,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:49:16,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:49:16,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:49:16,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:49:16,644 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-12-02 12:49:17,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:17,723 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2024-12-02 12:49:17,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:49:17,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 [2024-12-02 12:49:17,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:17,724 INFO L225 Difference]: With dead ends: 42 [2024-12-02 12:49:17,724 INFO L226 Difference]: Without dead ends: 30 [2024-12-02 12:49:17,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:49:17,725 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:49:17,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 41 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 12:49:17,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-12-02 12:49:17,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2024-12-02 12:49:17,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 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) [2024-12-02 12:49:17,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2024-12-02 12:49:17,730 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 19 [2024-12-02 12:49:17,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:49:17,730 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2024-12-02 12:49:17,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-12-02 12:49:17,730 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2024-12-02 12:49:17,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 12:49:17,731 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:17,731 INFO L218 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] [2024-12-02 12:49:17,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:17,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:17,932 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:49:17,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:17,932 INFO L85 PathProgramCache]: Analyzing trace with hash 782283244, now seen corresponding path program 1 times [2024-12-02 12:49:17,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:49:17,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1010762665] [2024-12-02 12:49:17,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:49:17,933 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 [2024-12-02 12:49:17,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:49:17,934 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 12:49:17,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:49:18,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:49:18,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:49:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:49:18,160 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:49:18,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 12:49:18,246 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:49:18,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1010762665] [2024-12-02 12:49:18,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1010762665] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:49:18,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:49:18,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-12-02 12:49:18,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410650710] [2024-12-02 12:49:18,247 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:49:18,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:49:18,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:49:18,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:49:18,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:49:18,249 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-12-02 12:49:19,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:19,212 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2024-12-02 12:49:19,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:49:19,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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 23 [2024-12-02 12:49:19,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:19,214 INFO L225 Difference]: With dead ends: 47 [2024-12-02 12:49:19,214 INFO L226 Difference]: Without dead ends: 35 [2024-12-02 12:49:19,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:49:19,215 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 9 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 12:49:19,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 84 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 12:49:19,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-12-02 12:49:19,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-12-02 12:49:19,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 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) [2024-12-02 12:49:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2024-12-02 12:49:19,219 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 23 [2024-12-02 12:49:19,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:49:19,219 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2024-12-02 12:49:19,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 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) [2024-12-02 12:49:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2024-12-02 12:49:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-02 12:49:19,220 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:19,220 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:49:19,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:19,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:19,421 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:49:19,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:19,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1895448860, now seen corresponding path program 2 times [2024-12-02 12:49:19,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:49:19,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364820070] [2024-12-02 12:49:19,422 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:49:19,422 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 [2024-12-02 12:49:19,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:49:19,424 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 12:49:19,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:19,548 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 12:49:19,549 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:49:19,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:49:19,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:49:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-02 12:49:19,667 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:49:19,667 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:49:19,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364820070] [2024-12-02 12:49:19,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [364820070] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:49:19,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:49:19,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:49:19,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885891182] [2024-12-02 12:49:19,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:49:19,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:49:19,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:49:19,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:49:19,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:49:19,669 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-12-02 12:49:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:20,407 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2024-12-02 12:49:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:49:20,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 31 [2024-12-02 12:49:20,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:20,408 INFO L225 Difference]: With dead ends: 48 [2024-12-02 12:49:20,408 INFO L226 Difference]: Without dead ends: 39 [2024-12-02 12:49:20,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:49:20,410 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 10 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 12:49:20,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 51 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 12:49:20,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-12-02 12:49:20,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2024-12-02 12:49:20,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 36 states have internal predecessors, (43), 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) [2024-12-02 12:49:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2024-12-02 12:49:20,416 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 31 [2024-12-02 12:49:20,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:49:20,416 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2024-12-02 12:49:20,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-12-02 12:49:20,417 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-12-02 12:49:20,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-02 12:49:20,418 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:20,418 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:49:20,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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)] Ended with exit code 0 [2024-12-02 12:49:20,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:20,618 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:49:20,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:20,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1025826412, now seen corresponding path program 1 times [2024-12-02 12:49:20,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:49:20,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84905553] [2024-12-02 12:49:20,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:49:20,619 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 [2024-12-02 12:49:20,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:49:20,621 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 12:49:20,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:49:20,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:49:20,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:49:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 12:49:21,048 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:49:21,193 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-12-02 12:49:21,193 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:49:21,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84905553] [2024-12-02 12:49:21,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84905553] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:49:21,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:49:21,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-12-02 12:49:21,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576102200] [2024-12-02 12:49:21,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:49:21,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 12:49:21,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:49:21,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 12:49:21,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-12-02 12:49:21,195 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 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) [2024-12-02 12:49:23,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:23,233 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2024-12-02 12:49:23,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:49:23,234 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 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 35 [2024-12-02 12:49:23,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:23,235 INFO L225 Difference]: With dead ends: 59 [2024-12-02 12:49:23,235 INFO L226 Difference]: Without dead ends: 49 [2024-12-02 12:49:23,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:49:23,236 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:49:23,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 92 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 12:49:23,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-12-02 12:49:23,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-12-02 12:49:23,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 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) [2024-12-02 12:49:23,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2024-12-02 12:49:23,241 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 35 [2024-12-02 12:49:23,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:49:23,241 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2024-12-02 12:49:23,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 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) [2024-12-02 12:49:23,241 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2024-12-02 12:49:23,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-02 12:49:23,242 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:23,242 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:49:23,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:23,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:23,443 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:49:23,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:23,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1053558020, now seen corresponding path program 2 times [2024-12-02 12:49:23,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:49:23,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [699263841] [2024-12-02 12:49:23,444 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:49:23,444 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 [2024-12-02 12:49:23,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:49:23,446 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 12:49:23,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:23,558 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 12:49:23,558 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:49:23,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:49:23,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:49:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-02 12:49:23,575 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:49:23,575 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:49:23,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [699263841] [2024-12-02 12:49:23,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [699263841] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:49:23,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:49:23,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:49:23,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882523614] [2024-12-02 12:49:23,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:49:23,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:49:23,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:49:23,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:49:23,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:49:23,576 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-12-02 12:49:23,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:23,697 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2024-12-02 12:49:23,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:49:23,698 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 47 [2024-12-02 12:49:23,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:23,698 INFO L225 Difference]: With dead ends: 54 [2024-12-02 12:49:23,698 INFO L226 Difference]: Without dead ends: 51 [2024-12-02 12:49:23,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:49:23,699 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:49:23,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 12:49:23,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-12-02 12:49:23,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2024-12-02 12:49:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 1.1428571428571428) internal successors, (56), 49 states have internal predecessors, (56), 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) [2024-12-02 12:49:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions. [2024-12-02 12:49:23,706 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 47 [2024-12-02 12:49:23,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:49:23,707 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions. [2024-12-02 12:49:23,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-12-02 12:49:23,707 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-12-02 12:49:23,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 12:49:23,708 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:23,708 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:49:23,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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)] Ended with exit code 0 [2024-12-02 12:49:23,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:23,908 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:49:23,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:23,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1140993240, now seen corresponding path program 1 times [2024-12-02 12:49:23,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:49:23,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1967002670] [2024-12-02 12:49:23,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:49:23,909 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 [2024-12-02 12:49:23,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:49:23,910 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 12:49:23,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 (8)] Waiting until timeout for monitored process [2024-12-02 12:49:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:49:24,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:49:24,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:49:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-02 12:49:24,795 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 12:49:24,837 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-02 12:49:24,837 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:49:24,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1967002670] [2024-12-02 12:49:24,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1967002670] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 12:49:24,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 12:49:24,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2024-12-02 12:49:24,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245617825] [2024-12-02 12:49:24,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 12:49:24,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:49:24,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:49:24,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:49:24,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:49:24,838 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-12-02 12:49:25,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:49:25,164 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2024-12-02 12:49:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:49:25,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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 49 [2024-12-02 12:49:25,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:49:25,165 INFO L225 Difference]: With dead ends: 59 [2024-12-02 12:49:25,165 INFO L226 Difference]: Without dead ends: 56 [2024-12-02 12:49:25,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:49:25,166 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 12:49:25,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 78 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 12:49:25,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-12-02 12:49:25,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-12-02 12:49:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.1272727272727272) internal successors, (62), 55 states have internal predecessors, (62), 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) [2024-12-02 12:49:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2024-12-02 12:49:25,174 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 49 [2024-12-02 12:49:25,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:49:25,174 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2024-12-02 12:49:25,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-12-02 12:49:25,174 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2024-12-02 12:49:25,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-02 12:49:25,175 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:49:25,175 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:49:25,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 (8)] Ended with exit code 0 [2024-12-02 12:49:25,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:25,376 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:49:25,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:49:25,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1376413588, now seen corresponding path program 2 times [2024-12-02 12:49:25,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:49:25,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1124157981] [2024-12-02 12:49:25,377 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:49:25,377 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 [2024-12-02 12:49:25,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:49:25,379 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 12:49:25,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 (9)] Waiting until timeout for monitored process [2024-12-02 12:49:28,346 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 12:49:28,346 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-12-02 12:49:28,346 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:49:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:49:29,534 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 12:49:29,534 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:49:29,535 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:49:29,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 (9)] Ended with exit code 0 [2024-12-02 12:49:29,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 12:49:29,739 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1] [2024-12-02 12:49:29,781 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:49:29,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:49:29 BoogieIcfgContainer [2024-12-02 12:49:29,784 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:49:29,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:49:29,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:49:29,785 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:49:29,785 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:49:15" (3/4) ... [2024-12-02 12:49:29,787 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:49:29,788 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:49:29,789 INFO L158 Benchmark]: Toolchain (without parser) took 15869.05ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 30.2MB in the end (delta: 37.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-02 12:49:29,789 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:49:29,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.85ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 35.4MB in the end (delta: 32.3MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-12-02 12:49:29,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.18ms. Allocated memory is still 92.3MB. Free memory was 35.4MB in the beginning and 32.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:49:29,790 INFO L158 Benchmark]: Boogie Preprocessor took 53.02ms. Allocated memory is still 92.3MB. Free memory was 32.5MB in the beginning and 66.0MB in the end (delta: -33.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-12-02 12:49:29,790 INFO L158 Benchmark]: RCFGBuilder took 1228.35ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 50.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:49:29,790 INFO L158 Benchmark]: TraceAbstraction took 13840.38ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 31.0MB in the end (delta: 19.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-12-02 12:49:29,790 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 92.3MB. Free memory was 31.0MB in the beginning and 30.2MB in the end (delta: 741.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:49:29,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.85ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 35.4MB in the end (delta: 32.3MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.18ms. Allocated memory is still 92.3MB. Free memory was 35.4MB in the beginning and 32.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.02ms. Allocated memory is still 92.3MB. Free memory was 32.5MB in the beginning and 66.0MB in the end (delta: -33.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1228.35ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 50.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13840.38ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 31.0MB in the end (delta: 19.1MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 92.3MB. Free memory was 31.0MB in the beginning and 30.2MB in the end (delta: 741.6kB). Peak memory consumption was 8.4MB. 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: 877]: 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 870, overapproximation of __builtin_isinf_sign at line 871, overapproximation of __builtin_isinf_sign at line 869, overapproximation of __builtin_isinf_sign at line 868. Possible FailurePath: [L863] float x[4], y[4]; [L864] x[0] = __VERIFIER_nondet_float() [L865] x[1] = __VERIFIER_nondet_float() [L866] x[2] = __VERIFIER_nondet_float() [L867] x[3] = __VERIFIER_nondet_float() [L868] EXPR x[0] [L868] COND FALSE !(!(!__builtin_isnan (x[0]) && !__builtin_isinf_sign (x[0]))) [L869] EXPR x[1] [L869] COND FALSE !(!(!__builtin_isnan (x[1]) && !__builtin_isinf_sign (x[1]))) [L870] EXPR x[2] [L870] COND FALSE !(!(!__builtin_isnan (x[2]) && !__builtin_isinf_sign (x[2]))) [L871] EXPR x[3] [L871] COND FALSE !(!(!__builtin_isnan (x[3]) && !__builtin_isinf_sign (x[3]))) [L872] CALL softmax(x, y, 4) [L847] int i; [L848] EXPR x[0] [L848] float max = x[0]; [L849] i = 1 VAL [i=1, max=0.0, n=4, x={7:0}, y={3:0}] [L849] COND TRUE i < n VAL [i=1, max=0.0, n=4, x={7:0}, y={3:0}] [L850] EXPR x[i] [L850] COND TRUE x[i] > max [L851] EXPR x[i] [L851] max = x[i] VAL [i=1, max=2.0, n=4, x={7:0}, y={3:0}] [L849] ++i VAL [i=2, max=2.0, n=4, x={7:0}, y={3:0}] [L849] COND TRUE i < n VAL [i=2, max=2.0, n=4, x={7:0}, y={3:0}] [L850] EXPR x[i] [L850] COND TRUE x[i] > max [L851] EXPR x[i] [L851] max = x[i] VAL [i=2, max=36893496943512125000, n=4, x={7:0}, y={3:0}] [L849] ++i VAL [i=3, max=36893496943512125000, n=4, x={7:0}, y={3:0}] [L849] COND TRUE i < n VAL [i=3, max=36893496943512125000, n=4, x={7:0}, y={3:0}] [L850] EXPR x[i] [L850] COND TRUE x[i] > max [L851] EXPR x[i] [L851] max = x[i] VAL [i=3, max=158456325028528680000000000000, n=4, x={7:0}, y={3:0}] [L849] ++i VAL [i=4, max=158456325028528680000000000000, n=4, x={7:0}, y={3:0}] [L849] COND FALSE !(i < n) VAL [max=158456325028528680000000000000, n=4, x={7:0}, y={3:0}] [L852] float sum = 0.0f; [L853] i = 0 VAL [i=0, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L853] COND TRUE i < n VAL [i=0, max=158456325028528680000000000000, 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=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L853] COND TRUE i < n VAL [i=1, max=158456325028528680000000000000, 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=2, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L853] COND TRUE i < n VAL [i=2, max=158456325028528680000000000000, 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=3, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L853] COND TRUE i < n VAL [i=3, max=158456325028528680000000000000, 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=4, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L853] COND FALSE !(i < n) VAL [max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L858] i = 0 VAL [i=0, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L858] COND TRUE i < n VAL [i=0, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=1, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L858] COND TRUE i < n VAL [i=1, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=2, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L858] COND TRUE i < n VAL [i=2, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=3, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L858] COND TRUE i < n VAL [i=3, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L859] EXPR y[i] [L859] y[i] /= sum [L858] ++i VAL [i=4, max=158456325028528680000000000000, n=4, sum=0.0, x={7:0}, y={3:0}] [L858] COND FALSE !(i < n) VAL [max=158456325028528680000000000000, sum=0.0, x={7:0}, y={3:0}] [L872] RET softmax(x, y, 4) [L873] int i; [L874] float sum = 0.0f; [L875] i = 0 VAL [i=0, sum=0.0, y={3:0}] [L875] COND TRUE i < 4 VAL [i=0, sum=0.0, y={3:0}] [L876] EXPR y[i] [L876] sum += y[i] [L875] ++i VAL [i=1, sum=NaN, y={3:0}] [L875] COND TRUE i < 4 VAL [i=1, sum=NaN, y={3:0}] [L876] EXPR y[i] [L876] sum += y[i] [L875] ++i VAL [i=2, sum=NaN, y={3:0}] [L875] COND TRUE i < 4 VAL [i=2, sum=NaN, y={3:0}] [L876] EXPR y[i] [L876] sum += y[i] [L875] ++i VAL [i=3, sum=NaN, y={3:0}] [L875] COND TRUE i < 4 VAL [i=3, sum=NaN, y={3:0}] [L876] EXPR y[i] [L876] sum += y[i] [L875] ++i VAL [i=4, sum=NaN, y={3:0}] [L875] COND FALSE !(i < 4) VAL [sum=NaN, y={3:0}] [L877] COND TRUE !(sum == 1.0f) VAL [y={3:0}] [L877] reach_error() VAL [y={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 433 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 251 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 182 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=7, InterpolantAutomatonStates: 30, 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, 7 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 278 NumberOfCodeBlocks, 238 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 693 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 188/194 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 12:49:29,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e40283-5fe2-4408-b0c1-5cb74c7cd3a3/bin/uautomizer-verify-84ZbGMXZE1/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