./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/exp_0_safe.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_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/exp_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB --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 203d7c08d720260fbbb3dcbed28bd893309136b171b8d4e99d6374ed4536ed9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:58:00,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:58:00,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:58:00,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:58:00,990 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:58:01,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:58:01,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:58:01,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:58:01,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:58:01,017 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:58:01,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:58:01,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:58:01,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:58:01,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:58:01,018 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:58:01,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:58:01,018 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:58:01,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:58:01,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:58:01,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:58:01,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:58:01,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:58:01,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:58:01,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:58:01,020 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:58:01,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:58:01,020 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:58:01,020 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:58:01,020 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:58:01,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:58:01,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:58:01,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:58:01,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:01,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:58:01,021 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:58:01,021 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:58:01,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:58:01,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:01,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:58:01,022 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:58:01,022 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:58:01,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:58:01,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:58:01,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:58:01,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:58:01,023 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:58:01,023 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:58:01,023 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:58:01,023 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_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 203d7c08d720260fbbb3dcbed28bd893309136b171b8d4e99d6374ed4536ed9d [2024-11-28 03:58:01,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:58:01,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:58:01,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:58:01,395 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:58:01,395 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:58:01,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/neural-networks/exp_0_safe.c-amalgamation.i [2024-11-28 03:58:04,408 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/data/06535825e/9a2d569e230a4489a89d5b85495da170/FLAGdd38a6b8d [2024-11-28 03:58:04,828 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:58:04,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/sv-benchmarks/c/neural-networks/exp_0_safe.c-amalgamation.i [2024-11-28 03:58:04,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/data/06535825e/9a2d569e230a4489a89d5b85495da170/FLAGdd38a6b8d [2024-11-28 03:58:04,889 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/data/06535825e/9a2d569e230a4489a89d5b85495da170 [2024-11-28 03:58:04,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:58:04,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:58:04,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:58:04,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:58:04,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:58:04,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:58:04" (1/1) ... [2024-11-28 03:58:04,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1edfb0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:04, skipping insertion in model container [2024-11-28 03:58:04,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:58:04" (1/1) ... [2024-11-28 03:58:04,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:58:05,559 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: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) [2024-11-28 03:58:05,565 INFO L158 Benchmark]: Toolchain (without parser) took 670.57ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 75.4MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:58:05,565 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:58:05,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.03ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 75.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:58:05,567 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.03ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 75.4MB in the end (delta: 14.9MB). 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_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/neural-networks/exp_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB --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 203d7c08d720260fbbb3dcbed28bd893309136b171b8d4e99d6374ed4536ed9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:58:08,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:58:08,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:58:08,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:58:08,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:58:08,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:58:08,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:58:08,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:58:08,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:58:08,409 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:58:08,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:58:08,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:58:08,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:58:08,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:58:08,410 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:58:08,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:58:08,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:58:08,411 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:58:08,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:58:08,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:58:08,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:58:08,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:58:08,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:58:08,421 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:58:08,421 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:58:08,422 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:58:08,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:58:08,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:58:08,422 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:58:08,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:58:08,422 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:58:08,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:58:08,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:58:08,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:58:08,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:08,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:58:08,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:58:08,423 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:58:08,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:58:08,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:08,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:58:08,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:58:08,424 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:58:08,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:58:08,424 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:58:08,425 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:58:08,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:58:08,425 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:58:08,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:58:08,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:58:08,425 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_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 203d7c08d720260fbbb3dcbed28bd893309136b171b8d4e99d6374ed4536ed9d [2024-11-28 03:58:08,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:58:08,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:58:08,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:58:08,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:58:08,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:58:08,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/neural-networks/exp_0_safe.c-amalgamation.i [2024-11-28 03:58:12,570 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/data/d38a7be7d/574693fe10424fb383f664b82be876e0/FLAGcf4dfdfe6 [2024-11-28 03:58:13,068 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:58:13,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/sv-benchmarks/c/neural-networks/exp_0_safe.c-amalgamation.i [2024-11-28 03:58:13,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/data/d38a7be7d/574693fe10424fb383f664b82be876e0/FLAGcf4dfdfe6 [2024-11-28 03:58:13,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/data/d38a7be7d/574693fe10424fb383f664b82be876e0 [2024-11-28 03:58:13,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:58:13,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:58:13,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:58:13,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:58:13,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:58:13,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:58:13" (1/1) ... [2024-11-28 03:58:13,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb37106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:13, skipping insertion in model container [2024-11-28 03:58:13,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:58:13" (1/1) ... [2024-11-28 03:58:13,258 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:58:14,080 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_485745d8-9a41-41b6-8678-f94c9b1b9965/sv-benchmarks/c/neural-networks/exp_0_safe.c-amalgamation.i[62998,63011] [2024-11-28 03:58:14,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:58:14,096 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:58:14,191 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_485745d8-9a41-41b6-8678-f94c9b1b9965/sv-benchmarks/c/neural-networks/exp_0_safe.c-amalgamation.i[62998,63011] [2024-11-28 03:58:14,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:58:14,408 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:58:14,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14 WrapperNode [2024-11-28 03:58:14,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:58:14,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:58:14,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:58:14,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:58:14,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,470 INFO L138 Inliner]: procedures = 558, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-11-28 03:58:14,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:58:14,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:58:14,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:58:14,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:58:14,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,486 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,501 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-28 03:58:14,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,513 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:58:14,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:58:14,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:58:14,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:58:14,536 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (1/1) ... [2024-11-28 03:58:14,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:58:14,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:58:14,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:58:14,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:58:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:58:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-28 03:58:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:58:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:58:14,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:58:14,787 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:58:14,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:58:15,069 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-28 03:58:15,069 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:58:15,092 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:58:15,092 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:58:15,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:58:15 BoogieIcfgContainer [2024-11-28 03:58:15,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:58:15,099 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:58:15,099 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:58:15,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:58:15,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:58:13" (1/3) ... [2024-11-28 03:58:15,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e8a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:58:15, skipping insertion in model container [2024-11-28 03:58:15,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:58:14" (2/3) ... [2024-11-28 03:58:15,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e8a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:58:15, skipping insertion in model container [2024-11-28 03:58:15,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:58:15" (3/3) ... [2024-11-28 03:58:15,108 INFO L128 eAbstractionObserver]: Analyzing ICFG exp_0_safe.c-amalgamation.i [2024-11-28 03:58:15,130 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:58:15,133 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG exp_0_safe.c-amalgamation.i that has 1 procedures, 11 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-28 03:58:15,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:58:15,224 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;@1c57984a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:58:15,224 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:58:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:58:15,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 03:58:15,237 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:15,238 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:58:15,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:58:15,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:15,246 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2024-11-28 03:58:15,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:58:15,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763405269] [2024-11-28 03:58:15,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:15,264 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:58:15,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:58:15,271 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:58:15,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 03:58:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:58:15,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:58:15,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:58:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:58:15,433 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:58:15,437 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:58:15,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1763405269] [2024-11-28 03:58:15,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1763405269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:58:15,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:58:15,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:58:15,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577031172] [2024-11-28 03:58:15,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:58:15,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:58:15,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:58:15,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:58:15,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:58:15,477 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:58:15,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:58:15,490 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-28 03:58:15,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:58:15,492 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-28 03:58:15,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:58:15,500 INFO L225 Difference]: With dead ends: 19 [2024-11-28 03:58:15,501 INFO L226 Difference]: Without dead ends: 7 [2024-11-28 03:58:15,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:58:15,509 INFO L435 NwaCegarLoop]: 10 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, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:58:15,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:58:15,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2024-11-28 03:58:15,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-28 03:58:15,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:58:15,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2024-11-28 03:58:15,549 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2024-11-28 03:58:15,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:58:15,550 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2024-11-28 03:58:15,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:58:15,551 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2024-11-28 03:58:15,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-28 03:58:15,552 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:58:15,552 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:58:15,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 03:58:15,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:58:15,753 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:58:15,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:58:15,754 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2024-11-28 03:58:15,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:58:15,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883208145] [2024-11-28 03:58:15,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:58:15,755 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:58:15,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:58:15,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:58:15,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 03:58:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:58:15,819 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:58:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:58:15,848 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 03:58:15,849 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:58:15,850 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:58:15,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:58:16,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:58:16,059 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 03:58:16,072 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:58:16,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:58:16 BoogieIcfgContainer [2024-11-28 03:58:16,077 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:58:16,078 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:58:16,078 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:58:16,078 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:58:16,080 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:58:15" (3/4) ... [2024-11-28 03:58:16,084 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:58:16,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:58:16,087 INFO L158 Benchmark]: Toolchain (without parser) took 2913.94ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 42.9MB in the end (delta: 46.5MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-11-28 03:58:16,090 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 117.4MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:58:16,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1233.60ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 76.3MB in the end (delta: 12.9MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-11-28 03:58:16,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.23ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 73.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:58:16,092 INFO L158 Benchmark]: Boogie Preprocessor took 54.05ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:58:16,092 INFO L158 Benchmark]: RCFGBuilder took 561.68ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 62.6MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:58:16,093 INFO L158 Benchmark]: TraceAbstraction took 978.81ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 43.4MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:58:16,093 INFO L158 Benchmark]: Witness Printer took 7.09ms. Allocated memory is still 117.4MB. Free memory was 43.4MB in the beginning and 42.9MB in the end (delta: 486.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:58:16,099 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 117.4MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1233.60ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 76.3MB in the end (delta: 12.9MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.23ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 73.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.05ms. Allocated memory is still 117.4MB. Free memory was 73.8MB in the beginning and 72.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 561.68ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 62.6MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 978.81ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 43.4MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.09ms. Allocated memory is still 117.4MB. Free memory was 43.4MB in the beginning and 42.9MB in the end (delta: 486.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 850]: 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 849. Possible FailurePath: [L847] float x = __VERIFIER_nondet_float(); [L848] COND FALSE !(!(!__builtin_isnan (x))) [L849] float y = expf(x); [L850] COND TRUE !(__builtin_isgreaterequal(y, 0.0f)) [L850] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 23 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 [2024-11-28 03:58:16,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_485745d8-9a41-41b6-8678-f94c9b1b9965/bin/uautomizer-verify-aQ6SnzHsRB/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